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L5991 Datasheet - STMicroelectronics

PRIMARY CONTROLLER

L5991 Features

* such as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum Duty Cycle Control, 100ns leading edge blanking on current sense, pulse by pulse current limit, overcurrent protection with soft start intervention, and

L5991 General 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. .

L5991 Datasheet (410.86 KB)

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Datasheet Details

Part number:

L5991

Manufacturer:

STMicroelectronics ↗

File Size:

410.86 KB

Description:

Primary controller.
L5991 ® L5991A PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT (< 120µA) HIGH-CURRENT.

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L5991 PRIMARY CONTROLLER STMicroelectronics

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