L5991D

Current Mode PWM

Parameters

ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tube
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	SO-16

Description

This primary controller I.C., developed in BCD60II technology, has been designed to implement off 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,...
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Key features

Key features
PRIMARY OVERCURRENT FAULT DETECTION WITH RE-START DELAY PROGRAMMABLE SOFT START IN/OUT SYNCHRONIZATION PWM UVLO WITH HYSTERESIS INTERNAL 100ns LEADING EDGE BLANKING OF CURRENT SENSE LATCHED DISABLE PACKAGE: DIP16 AND SO16 100% AND 50% MAXIMUM DUTY CYCLE LIMIT PROGRAMMABLE DUTY CYCLE CURRENT-MODE CONTROL PWM LOW START-UP CURRENT (< 120µA) SWITCHING FREQUENCY UP TO 1MHz FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION STANDBY FUNCTION HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A)

In stock

Quantity	$ per unit	Savings
1-9	$1.93	0%
10-30	$1.43	26%
30 +	Contact sales

$1.93

Parameters

ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tube
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	SO-16

Description

Key features

Key features
PRIMARY OVERCURRENT FAULT DETECTION WITH RE-START DELAY PROGRAMMABLE SOFT START IN/OUT SYNCHRONIZATION PWM UVLO WITH HYSTERESIS INTERNAL 100ns LEADING EDGE BLANKING OF CURRENT SENSE LATCHED DISABLE PACKAGE: DIP16 AND SO16 100% AND 50% MAXIMUM DUTY CYCLE LIMIT PROGRAMMABLE DUTY CYCLE CURRENT-MODE CONTROL PWM LOW START-UP CURRENT (< 120µA) SWITCHING FREQUENCY UP TO 1MHz FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION STANDBY FUNCTION HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A)