IRS25751LPBF datasheet, start-up equivalent, International Rectifier

Features and benefits

* Up to 480V voltage capability
* Constant output current (4.5mA)
* Programmable upper threshold level
* Fixed lower threshold (4.2V)
* ENN input
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Application

* High-voltage start-up
* Low standby power circuits
* General purpose switched mode power electronics Appli.

Description

The IRS25751 is a 480V high-voltage start-up IC ideal for supplying initial supply starting current from a high-voltage bus. The IRS25751 supplies a constant current during start-up and then consumes ultra-low standby (off) current. Additional featur.

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