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ISL9444 Datasheet - Renesas

ISL9444-Renesas.pdf

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Datasheet Details

Part number:

ISL9444

Manufacturer:

Renesas ↗

File Size:

1.42 MB

Description:

Synchronous step-down pwm controller.

ISL9444, Synchronous Step-Down PWM Controller

PIN NAME FUNCTION 1 PFO Output of the auxiliary power monitor.

PFO goes high if the voltage on PFI is greater than 1.2V (typical).

Otherwise the PFO outputs low.

2 PFI Input to the auxiliary power monitor.

The internal threshold voltage is 1.2V (typical).

3 EXTBIAS Input from an optiona

ISL9444 Features

* Three Integrated Synchronous Buck PWM Controllers - Internal Bootstrap Diodes - Independent Programmable Output Voltage - Independent Power-Good Indicators, Soft-Starting and Tracking

* Power Failure Monitor

* Light Load Efficiency Enhancement - Low Ripple Diode Emulation M

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