
UC3842DTR PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments
UC3842DTR — это компонент категории PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments в упаковке 14SOIC. Его обычно проверяют для IC REG CTRLR PWM CM 14SOIC. На этой странице указаны текущие остатки TrustCompo, уровни цен, данные по корпусу, доступ к datasheet, compliance-атрибуты, варианты отгрузки со склада Hong Kong, подтверждение оплаты и RFQ-варианты для покупателей, которым нужно подтвердить именно этот ordering code.
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- Гарантия 365 днейПоддержка после покупки помогает закупщикам разбирать вопросы качества в понятный срок проверки.
- Отправка в течение 24-48 часовДоступные позиции могут быть быстро отправлены после подтверждения цены, количества и деталей доставки.
- 100% проверка на контрафактКомпоненты проходят проверку подлинности и инспекцию перед отгрузкой.
Ключевые характеристики
- Номер детали
UC3842DTR
- Внутренний код
TCE000102659
- Упаковка
14SOIC
- Производитель
- Texas Instruments
Ключевые характеристики
- Серия
-
- Минимальное количество
1
- Категория
- Integrated Circuits (ICs)
- Описание
IC REG CTRLR PWM CM 14SOIC
- Основные характеристики
-
Сигналы доверия
Качество и доверие
Проверьте credentials TrustCompo, поддержку traceability, anti-counterfeit handling и inspection controls перед отправкой RFQ.
ISO 9001
Процессы менеджмента качества для более стабильной закупки и обращения с продукцией.
AS9120B
Контроль дистрибуции авиационного уровня для прослеживаемости и надежности.
ISO 14001
Экологическая дисциплина в операционных и складских процессах.
ESD Control
Стандарты защиты от электростатического разряда для чувствительных компонентов.
RFQ checklist
Процесс заказа
Подтвердите ключевые данные закупки для UC3842DTR до RFQ, выпуска PO и планирования отгрузки.
- 1
Подтвердить MPN
Укажите точный part number, производителя, package и approval constraints в RFQ.
- 2
Проверить склад и цену
Проверьте live availability, MOQ, lead time, финальную цену и налоговые условия до PO.
- 3
Согласовать документы
Подтвердите datasheet, CoC, traceability, lifecycle notes и scope инспекции, если требуется.
- 4
Организовать отгрузку
Выпустите PO и согласуйте DHL, FedEx, UPS или buyer forwarder shipment из Hong Kong.
Перед выпуском PO
Проверка детали
- Точный MPN подтвержден: UC3842DTR
- Корпус для проверки: 14SOIC
Коммерческие условия
- Live stock и срок поставки подтверждены через RFQ
- Финальная цена и налоговые условия подтверждены до выпуска PO
Отгрузка и документы
- Ship-from location: склад Hong Kong
- Способ доставки: DHL, FedEx, UPS или аккаунт экспедитора покупателя
Обзор продукта
Обзор
Проверьте sourcing context для UC3842DTR от Texas Instruments, включая идентификацию товара, применимость, package notes и закупочные детали.
UC3842DTR Description
The UC3842DTR offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of turnon and turnoff thresholds and hysteresis ranges. Devices with higher turnon or turnoff hysteresis are ideal choices for offline power supplies, while the devices with a narrower hysteresis range are suited for DC-DC applications.
UC3842DTR
Features
• Optimized for off-line and DC-to-DC converters
• Low start-up current (< 1 mA)
• Automatic feedforward compensation
• Pulse-by-pulse current limiting
• Enhanced load-response characteristics
• Undervoltage lockout with hysteresis
• Double-pulse suppression
• High-current totem-pole output
• Internally trimmed bandgap reference
• Up to 500-kHz operation
• Error amplifier with low output resistance
UC3842DTR Applications
• Transformer-coupled DC-DC converters
• Switching regulators of any polarity
• Audio
• Automotive
• Digital Control
Технические параметры
Параметры
Сравните сгруппированные параметры UC3842DTR от Texas Instruments, включая package, series, key attributes и technical values для engineering и sourcing review.
Product Parameter
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Product Parameter
Output Configuration
Positive
Product Parameter
Control Mode
CURRENT-MODE
Product Parameter
Control Technique
PULSE WIDTH MODULATION
Product Parameter
Analog IC - Other Type
SWITCHING CONTROLLER
Product Parameter
Nominal Input Voltage
15V
| Параметр | Значение |
|---|---|
Terminal Finish Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance. | Nickel/Palladium/Gold (Ni/Pd/Au) |
Output Configuration Specifies the topology of the output stage, such as push-pull, open collector, or half-bridge. This determines how the device drives loads and interfaces with external circuitry. Verify against the datasheet to ensure compatibility with your application's requirements. | Positive |
Control Mode Defines the control method used by a power management IC, such as voltage mode, current mode, or hysteretic. This affects transient response, stability, and external component selection. Ensure the mode matches your application's performance needs. | CURRENT-MODE |
Control Technique Specifies the switching regulator control method, such as PWM, PFM, or burst mode. This affects efficiency, noise, and transient response. Engineers should verify the technique against the datasheet to ensure it matches the application's power requirements and EMI constraints. | PULSE WIDTH MODULATION |
Analog IC - Other Type Select this category when the analog integrated circuit does not fit standard classifications like op-amps, comparators, or regulators. Verify the exact function and pinout in the datasheet to ensure compatibility with your circuit design and performance requirements. | SWITCHING CONTROLLER |
Nominal Input Voltage Specifies the typical input voltage level for which the component is designed to operate. Compare this value with your power supply output to ensure compatibility. Always verify against the datasheet for absolute maximum ratings and operating conditions. | 15V |
Rise Time Time required for a signal to transition from a low to a high level, typically measured between 10% and 90% of the amplitude. Important for digital interfaces, switching regulators, and pulse circuits. Check the datasheet for test conditions and load capacitance. | 50ns |
Control Features Specifies additional control functions like enable, soft-start, or power-good. These features affect system design and sequencing. Verify which controls are available in the datasheet to ensure compatibility with your application requirements. | Frequency Control |
Function Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements. | Step-Up, Step-Down, Step-Up/Step-Down |
Frequency - Switching Indicates the switching frequency of a power converter or regulator. Higher frequencies allow smaller magnetics but may increase losses. Compare with your design's efficiency and EMI requirements, and verify the actual range in the datasheet. | Up to 500kHz |
Maximum Supply Current Indicates the highest current the device draws from its power supply under specified conditions. Compare this value when evaluating power budgets and thermal management. Always verify against the datasheet for your operating voltage and load. | 25mA |
Nominal Input Voltage Specifies the standard input voltage level for which the component is designed to operate. Engineers compare this to the actual supply voltage to ensure compatibility. Always verify against the datasheet for absolute maximum ratings and recommended operating conditions. | 25V |
Max Duty Cycle Specifies the highest proportion of time the output remains active within a switching period. Compare this limit when selecting power controllers or drivers to ensure stable operation and avoid excessive heat. Verify against the datasheet for your operating conditions. | 100 % |
Topology Specifies the internal circuit architecture of the power converter, such as flyback, forward, or buck. This determines efficiency, isolation, and component stress. Engineers must verify topology against the datasheet to ensure it matches the intended application and operating conditions. | Boost, Buck, Buck-Boost, Flyback, Forward |
Voltage - Supply (Vcc/Vdd) Indicates the recommended supply voltage range for the component. This is critical for proper operation and must be matched to your power rail. Always verify the absolute maximum ratings and recommended operating conditions in the datasheet to avoid damage or malfunction. | 12V~28V |
| Параметр | Значение |
|---|---|
Moisture Sensitivity Level (MSL) Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions. | 1 (Unlimited) |
RoHS Status Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details. | ROHS3 Compliant |
JESD-609 Code This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning. | e4 |
HTSUS Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays. | 8542.39.0001 |
ECCN Code Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally. | EAR99 |
| Параметр | Значение |
|---|---|
Part Status Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status. | Active |
REACH Status Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold. | REACH Unaffected |
ECCN Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues. | EAR99 |
Lead Free Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations. | Lead Free |
Mounting Type Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements. | Surface Mount |
Lifecycle Status Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime. | ACTIVE (Last Updated: 5 days ago) |
Factory Lead Time Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions. | 6 Weeks |
Packaging Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility. | Tape & Reel (TR) |
Categories Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class. | Integrated Circuits (ICs) |
Terminal Position Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line. | DUAL |
Peak Reflow Temperature (Cel) Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level. | 260 |
Terminal Form Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint. | GULL WING |
Manufacturer Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts. | Texas |
Width Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure. | 3.91mm |
Height Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations. | 1.75mm |
Operating Temperature Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings. | 0°C~70°C TA |
Length Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design. | 8.65mm |
Subcategory A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications. | Switching Regulator or Controllers |
Package / Case Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility. | 14-SOIC (0.154, 3.90mm Width) |
Weight Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity. | 122.413241mg |
Surface Mount Mounting type: surface mount or through-hole. Surface mount components are placed directly on the PCB, saving space and enabling automated assembly. Through-hole components offer stronger mechanical bonds. Verify the mounting style matches your PCB design and assembly process. | YES |
Number of Pins Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection. | 14 |
Number of Terminations Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity. | 14 |
Pb-Free Code Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance. | yes |
Technology Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions. | BIPOLAR |
Number of Outputs Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration. | 1 |
Thickness Thickness of the component, a critical dimension for PCB clearance, enclosure fit, and thermal performance. This measurement is especially important for capacitors, inductors, and connectors. Ensure the thickness meets your design constraints and does not interfere with adjacent components. Check the datasheet for tolerance and recommended mounting height. | 1.58mm |
Output Current Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings. | 200mA |
Synchronous Rectifier Indicates whether the device uses synchronous rectification to improve efficiency by replacing diodes with low-resistance MOSFETs. Check this attribute when comparing power supply designs, as it affects thermal performance and conversion losses. Verify against the datasheet for the specific topology. | No |
Fall Time (Typ) Typical time for the output signal to transition from 90% to 10% of its amplitude. This parameter indicates switching speed and affects high-frequency performance. Compare with rise time and verify against the datasheet for your specific operating conditions. | 50 ns |
Output Type Specifies the electrical form of the output signal, such as digital, analog, or open collector. This determines how the component interfaces with your circuit. Verify the output type against your system requirements and the datasheet to ensure proper signal compatibility and avoid logic level mismatches. | Transistor Driver |
Sub-Categories Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application. | PMIC - Voltage Regulators - DC DC Switching Controllers |
Frequency Operating frequency of the component, typically the clock or switching frequency. This determines the speed of operation and affects power dissipation and signal integrity. Verify the frequency range against your application's requirements and the datasheet specifications. | 450kHz |
Output Voltage Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating. | 13.5V |
Base Part Number Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in. | UC3842 |
Duty Cycle (Max) Maximum ratio of on-time to switching period for PWM controllers and power converters. Compare this value when selecting devices for applications requiring precise pulse width modulation. Verify against the datasheet to ensure the device can sustain the required duty cycle without performance degradation. | 97% |
Manufacturer's Part No. The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation. | UC3842DTR |
Документы уведомлений
PCN / product notice documents
Публичные PCN / PDN записи сейчас не показаны
Для UC3842DTR сейчас не показан публичный product notice document. Подтвердите PCN, PDN, EOL, date code и lifecycle status во время RFQ до производственной закупки.
Связанные варианты закупки
Рекомендуемые товары
Посмотрите больше компонентов из той же подкатегории, чтобы сравнить наличие, совместимость и варианты закупки.
Частые вопросы
FAQ по товару
Точные ответы для покупателей, которые проверяют ordering code UC3842DTR, упаковку, наличие, datasheet и путь замены.
Что означает UC3842DTR?
UC3842DTR — это точный ordering code для компонента категории PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments. Текущий корпус указан как 14SOIC, а контекст позиции включает IC REG CTRLR PWM CM 14SOIC. Используйте полный код при запросе склада, цены, datasheet или compliance-подтверждения.
UC3842DTR — это то же самое, что UC3842D?
UC3842DTR может относиться к той же базовой серии, что и UC3842D, но суффикс часто описывает ordering, reel, tape, packing или логистические детали. Перед заменой подтвердите корпус 14SOIC, код производителя Texas Instruments, ordering table в datasheet и количество на катушке.
В каком корпусе поставляется UC3842DTR?
UC3842DTR сейчас указан с корпусом 14SOIC от Texas Instruments. Перед утверждением закупки подтвердите manufacturer package drawing, footprint, pinout, tape-and-reel данные и требования к приемке.
UC3842DTR сейчас доступен для заказа?
UC3842DTR сейчас помечен на странице как позиция с наличием. Перед заказом подтвердите корпус (14SOIC), указанный склад (11212), доступное количество (11051), нужное количество, срок поставки, финальную цену, compliance-требования и совпадение точного ordering code через RFQ.
Где сравнить альтернативы для UC3842DTR?
Для UC3842DTR сейчас не опубликован список связанных альтернатив. Отправьте RFQ с количеством, ограничениями по корпусу и требованиями к утверждению, чтобы TrustCompo помогла проверить возможные replacement options.





