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DAP002

Part Number	DAP002
Manufacturer	STMicroelectronics
Description	PRIMARY CONTROLLER
Published	Jun 21, 2021
Detailed Description	L5991 ® L5991A PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP ...
Datasheet	DAP002 PDF File

Overview

L5991 ® L5991A PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT (< 120µA) HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE 100% AND 50% MAXIMUM DUTY CYCLE LIMIT STANDBY FUNCTION PROGRAMMABLE SOFT START PRIMARY OVERCURRENT FAULT DETECTION WITH RE-START DELAY PWM UVLO WITH HYSTERESIS IN/OUT SYNCHRONIZATION LATCHED DISABLE INTERNAL 100ns LEADING EDGE BLANKING OF CURRENT SENSE PACKAGE: DIP16 AND SO16 DESCRIPTION This primary controller I.
C.
, developed in BCD60II technology, has been designed to implement off BLOCK DIAGRAM MULTIPOWER BCD TECHNOLOGY DIP16 SO16 ORDERING NUMBERS: L5991/L5991A (DIP16) L5991D/L5991AD (SO16) line or DC-DC power supply applications using a fixed frequency current mode control.
Based on a standard current mode PWM controller this device includes some features such as programmable soft start, IN/OUT synchronization...

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