LM46002PWPT PMIC - стабилизаторы напряжения - DC-DC импульсные стабилизаторы от Texas Instruments

LM46002PWPT Description Switching Voltage Regulators 3.5-60V,2A Sync SD Vltg Converter
The LM46002 regulator is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 2 A of load current from an input voltage ranging from 3.5 V to 60 V.
The LM46002 provides exceptional efficiency, output accuracy and drop-out voltage in a very small solution size. An extended family is available in various load current options and 36-V maximum input voltage in pin-to-pin compatible packages, including LM46001, LM46000, LM43603,LM43602, LM43601 and LM43600. Peak-currentmode control is employed to achieve simple controlloop compensation and cycle-by-cycle current limiting. Optional features such as programmable switching frequency, synchronization, power-good flag, precision enable, internal soft start, extendable soft start, and tracking provide a flexible and easy-touse platform for a wide range of applications.Discontinuous conduction and automatic frequency reduction at light loads improve light load efficiency.
The family requires few external components. Pin arrangement allows simple, optimum PCB layout.Protection features include thermal shutdown, VCC undervoltage lockout, cycle-by-cycle current limit, and output short-circuit protection.
The LM46002 device isavailable in the 16-lead HTSSOP / PWP package (6.6 mm × 5.1 mm × 1.2 mm) with 0.65-mm lead pitch. LM46002PWPT
Features
• Internal compensation
• Power-good flag
• Soft start into prebiased load
• Internal soft start: 4.1 ms
• 27-µA Quiescent current in regulation
• High efficiency at light load (DCM and PFM)
• Meets EN55022/CISPR 22 EMI standards
• Integrated synchronous rectification
• Frequency synchronization to external clock
• Extendable soft-start time by external capacitor
• Output voltage tracking capability
• Precision enable to program system UVLO
• Output short-circuit protection with hiccup mode
• Overtemperature thermal shutdown protection
• Adjustable frequency range: 200 kHz to 2.2 MHz (500 kHz default)
• Stable with almost any combination of ceramic, polymer, tantalum, and aluminum capacitors LM46002PWPT Applications
• Industrial power supplies
• Telecommunications systems
• Sub-AM band automotive
• Commercial vehicle power supplies
• General-purpose wide VIN regulation
• High-efficiency point-of-load regulation