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ISL6445 Datasheet - Renesas

ISL6445-Renesas.pdf

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Datasheet Details

Part number:

ISL6445

Manufacturer:

Renesas ↗

File Size:

684.43 KB

Description:

Step-down pwm controller.

ISL6445, Step-Down PWM Controller

DATASHEET ISL6445 1.4MHz Dual, 180° Out-of-Phase, Step-Down PWM Controller FN9230 Rev 1.00 Jun 3, 2008 The ISL6445 is a high-performance, dual-output PWM controller optimized for converting wall adapter, battery or network intermediate bus DC input supplies into the system supply voltages required for a wide variety of applications.

Each output is adjustable down to 0.8V.

The two PWMs are synchronized 180o out-of-phase reducing the RMS input current and ripple voltage.

The ISL6445 incorporate

ISL6445 Features

* An adjustable overcurrent protection circuit monitors the output current by sensing the voltage drop across the lower MOSFET. Hiccup mode overcurrent operation protects the DC/DC components from damage during output overload/short circuit conditions. Each PWM has an independent logic-level shutdown

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