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L5993 Datasheet - STMicroelectronics

L5993_STMicroelectronics.pdf

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Datasheet Details

Part number:

L5993

Manufacturer:

STMicroelectronics ↗

File Size:

200.35 KB

Description:

Constant power controller.

L5993, CONSTANT POWER CONTROLLER

This primary controller I.C., developed in BCD60II technology, has been designed to implement off BLOCK DIAGRAM SYNC 1 RCT 2 TIMING + + 2.5V C-POWER 16 + BLANKING T DIS DC-LIM 15 MULTIPOWER BCD TECHNOLOGY DIP16 SO16N ORDERING NUMBERS: L5993 (DIP16) L5993D (SO16) line or DC-DC power supply appli

® L5993 CONSTANT POWER CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT (< 120µA) CONSTANT OUTPUT POWER VS.

SWITCHING FREQUENCY 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 PROGRAMMABLE SOFT START PRIMARY OVERCURRENT FAULT DETECTION WITH RE-START DELAY PWM UVLO WITH HYSTERESIS IN/OUT SYNCHRONIZATION LATCHED DISABLE INTERNAL 100ns

L5993 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

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