LMZ12003 Datasheet (National Semiconductor) - 3A SIMPLE SWITCHER Power Module

LMZ12003, 3A SIMPLE SWITCHER Power Module

Pin 1 2 3 4 5 6 Name Description VIN RON EN GND SS FB Supply input * Nominal operating range is 4.5V to 20V .

A small amount of internal capacitance is contained within the package assembly.

Additional external input capacitance is required between this pin and exposed pad.

On Time Resistor

DataSheet.in LMZ12003 3A SIMPLE SWITCHER® Power Module with 20V Maximum Input Voltage April 12, 2010 LMZ12003 3A SIMPLE SWITCHER® Power Module with 20V Maximum Input Voltage Easy to use 7 pin package Performance Benefits Operates at high ambient temperature with no thermal derating High efficiency reduces system heat generation Low radiated emissions (EMI) complies with EN55022 class B standard EN61000 4-3 Passes 10V/m radiated immunity EMI test standard 30109086 T

LMZ12003 Features

* Integrated shielded inductor

* Simple PCB layout

* Flexible startup sequencing using external soft-start capacitor and precision enable UVLO and output short circuit 30109018 Thermal derating curve VIN = 12V VOUT = 5.0V

* Protection against inrush currents and faults such as inpu