L4990A

PRIMARY CONTROLLER

STMicroelectronics

Image	Manufacturer	B2B MPN	Description	Distributor	Stock	Quantity	Price	Buy Now
	STMicroelectronics	L4990A	1.5 A SWITCHING REGULATOR, 1000 KHZ SWITCHING FREQ-MAX, PDIP16	Quest Components	35	6 units	$4.05	🛒 Buy Now

L4990A Datasheet (322.28 KB)

L4990A Datasheet Preview — Preview of L4990A PDF

Datasheet Details

Part number:

L4990A

Manufacturer:

STMicroelectronics ↗

File Size:

322.28 KB

Description:

Primary controller.
® L4990 L4990A PRIMARY CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SU.

L4990A Features

* 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 (typ) leading edge blanking on current sense, pulse by pulse current limit and overcurrent protection with soft start intervention.

L4990A General Description

This primary controller I.C., developed in BCD60II technology, has been designed to implement off BLOCK DIAGRAM SYNC 1 RCT 2 TIMING 25V DC-LIM 15 MULTIPOWER BCD TECHNOLOGY DIP16 SO16W ORDERING NUMBERS: L4990/L4990A(DIP16) L4990D/L4990AD (SO16W) line or DC-DC power supply applications using a fi.

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L4990A PRIMARY CONTROLLER STMicroelectronics

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L4990A Distributor

ST-Ericsson

L4990A

INSTOCK

Chip 1 Exchange

38 In Stock

Qty : 6 units

Unit Price : $0