LMZ10503 Datasheet - National Semiconductor

LMZ10503 Power Module

Pin Number 1 2 3 Name VIN EN SS Description Power supply input. A low ESR input capacitance should be located as close as possible to the VIN pin and exposed pad (EP). Active high enable input for the device. Soft-start control pin. An internal 2 µA current source charges an external capacitor conn.

www.DataSheet4U.net LMZ10503 3A SIMPLE SWITCHER® Power Module with 5.5V Maximum Input Voltage June 10, 2010 LMZ10503 3A SIMPLE SWITCHER® Power Module with 5.5V Maximum Input Voltage Easy to Use 7 Pin Package Performance Benefits Operates at high ambient temperatures High efficiency up to 96% reduces system heat generation Low radiated emissions (EMI) complies with EN55022 class B standard (Note 4) Low output voltage ripple of 10 mV allows for powering noise-sensitive.

LMZ10503 Features

* Integrated shielded inductor

* Flexible startup sequencing using external soft-start, tracking, and precision enable UVLO and output short-circuit Efficiency (VOUT = 3.3V)

* Protection against in-rush currents and faults such as input

* -40°C to +125°C junction temperature operat

LMZ10503_NationalSemiconductor.pdf