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ISL6440 Datasheet Step-down Pwm Controller

Manufacturer: Renesas

Overview: DATASHEET ISL6440 300kHz Dual, 180° Out-of-Phase, Step-Down PWM Controller FN9040 Rev 2.00 Oct 4, 2005 The ISL6440 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.

Datasheet Details

Part number ISL6440
Manufacturer Renesas
File Size 679.37 KB
Description Step-Down PWM Controller
Datasheet ISL6440-Renesas.pdf

Key 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 input (SD1 and SD2). A single PGOOD signal is issued when soft-start is complete on both PWM controllers and their outputs are within 10% of the set point. Thermal shut.

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ISL6440 Distributor