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APW7176A
Dual 1.5MHz, 1A Synchronous Step-Down Converter
Features
General Description
• 1A Output Current on Each Channel • 2.7V to 5.5V Input Voltage Range • 1.5MHz Constant Frequency Operation • Low Dropout Operation at 100% Duty Cycle • Synchronous Topology • 0.6V Low Reference Voltage • Current Mode Operation • Over-Temperature Protection • Over-Current Protection • Up to 94% Efficiency • Internally Compensated • Lead Free and Green Devices Available
(RoHS Compliant)
Applications
• TV Tuner/Box • Portable Instrument
The APW7176A consists of two independent 1.5MHz constant frequency, current mode, and PWM step-down converters. Each converter integrates a main switch with a synchronous rectifier for high efficiency without an external Schottky diode.