L5988D Datasheet, PDF (1/52 Pages) STMicroelectronics – Pre-bias start up capability

L5988D
4 A continuous (more than 5 A pulsed) step-down switching
regulator with synchronous rectification
Datasheet - production data
HTSSOP16
 F_SW 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
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 T_ON
 Programmable UVLO matches 3.3 V, 5 V and
12 V bus
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
Figure 1. Test application circuit
April 2015
This is information on a product in full production.
DocID15324 Rev 4
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