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APW7139

Anpec
Part Number APW7139
Manufacturer Anpec
Description Step-Down Converter
Published Aug 14, 2020
Detailed Description APW7139 Dual 1.3MHz, 800mA Synchronous Step-Down Converter Features General Description • 800mA Output Current on Ea...
Datasheet PDF File APW7139 PDF File

APW7139
APW7139

Overview
APW7139 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 Compensated • Lead Free and Green Devices Available (RoHS Compliant) 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 integrates a main switch with a synchronous rectifier for high efficiency without an external Schottky diode.
The APW7139 is ideal for powering portable equipment that runs from a single cell LithiumIon (Li+) battery.
Each converter can supply 800mA of load current from a 2.
5V to 5.
5V input voltage.
The output voltage can be regulated as low as 0.
6V.
The APW7139 can also run at 100% duty cycle for low dropout applications.
Pin Configuration EN1 1 FB1 2 IN2 3 GND2 4 SW2 5 APW7139 DFN3x3-10 (Top View) 10 SW1 9 GND1 8 IN1 7 FB2 6 EN2 Exposed pad on backside Ordering and Marking Information APW7139 APW7139 QA: APW 7139 XXXXX Assembly Material Handling Code Temperature Range Package Code Package Code QA : DFN3x3-10 Temperature Range I : -40 to 85 oC Handling Code TR : Tape & Reel Assembly Material G : Halogen and Lead Free Device XXXXX - Date Code Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS.
ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020D for MSL classification at lead-free peak reflow temperature.
ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen free (Br or Cl does not exceed 900ppm by weight in homoge...


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