Datasheet Summary
Dual 1.3MHz, 800mA Synchronous Step-Down Converter
Features
General Description
- 800mA Output Current on Each Channel
- 2.5V to 5.5V Input Voltage Range
- 1.3MHz Constant Frequency Operation
- Low Dropout Operation at 100% Duty Cycle
- Synchronous Topology
- 0.6V Low Reference Voltage
- Typical 0.1 µA Shutdown Current
- Current Mode Operation
- Over-Temperature Protection
- Over-Current Protection
- Up to 94% Efficiency
- Internally pensated
- Lead Free and Green Devices Available
(RoHS pliant)
Applications
- TV Tuner/Box
- Portable Instrument
The APW7139 consists of two independent 1.3MHz constant frequency, current mode, and PWM step-down converters. Each converter...