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Description

The SC4624A is a highly integrated synchronous stepdown DC/DC regulator designed for low input voltage range of 2.3V to 5.5 Volts. It can deliver 4A continuous output current with the output voltage as low as 0.5 Volts. The internal low RDS(ON) synchronous power switches eliminate the need for external Schottky diode while delivering overall converter efficiency up to 95.

Features

◆ VIN Range: 2.3 – 5.5V

◆ 4A Continuous Output Current

◆ Adjustable Output Voltage 0.5V to Vin

◆ Low RDS(ON) integrated FETs: 75mΩ and 47mΩ

◆ Up to 95 Efficiency

◆ Synchronizable and Programmable Frequency: 200kHz – 2MHz

◆ Power Good Monitor

◆ <1μA of Shutdown Current

◆ Programmable Soft Start

◆ Programmable Current Limit

◆ Over Temperature protection

◆ -40 to +85 °C Ambient Temperature Range

◆ 4X4mm MLPQ-20 packages- WEEE and RoHS compliant

Applications

◆ Low Voltage Distributed DC-DC Converters

◆ Telecommunication Power Supplies

◆ Portable Equipment

◆ xDSL