L5988D datasheet(1/52 Pages) STMICROELECTRONICS

Part #	L5988D

Description	Pre-bias start up capability

PDF	52 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 52 page

This is information on a product in full production.

April 2015

DocID15324 Rev 4

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L5988D

4 A continuous (more than 5 A pulsed) step-down switching

regulator with synchronous rectification

Datasheet

- production data

Features

 4 A output current (more than 5 pulsed)

 Operating input voltage from 2.9 V to 18 V

 External 1.8 V ± 2% reference voltage

 Output voltage from 0.6 to input voltage

 MLCC compatible

 200 ns TON

 Programmable UVLO matches 3.3 V, 5 V and

12 V bus

 FSW programmable up to 1 MHz

 Voltage feed forward

 Zero load current operation

 Programmable current limit on both switches

 Programmable sink current capability

 Pre-bias start up capability

 Thermal shutdown

Applications

 Consumer: STB, DVD, LCD TV, VCR, car

radio, LCD monitors

 Networking: XDSL, modems, routers and

switches

 Computer and peripherals: printers, audio /

graphic cards, optical storage, hard disk drive

 Industrial: DC-DC modules, factory automation

 HC LED driving

HTSSOP16

Figure 1. Test application circuit

www.st.com

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