Diodes Incorporated AP3417CKTR G1 Switching Regulator 1A 1.4MHz Sync DC/DC 2.5V-5.5V
Description:
The AP3417C is a high efficiency step-down DC-DC voltage converter. The chip operation is optimized by peak-current mode architecture with built-in synchronous power MOSFET switchers. The oscillator and timing capacitors are all built-in providing an internal switching frequency of 1.5MHz that allows the use of small surface mount inductors and capacitors for portable product implementations. Integrated Soft Start (SS), Under Voltage Lock Out (UVLO), Thermal Shutdown Detection (TSD) and Short Circuit Protection are designed to provide reliable product applications. The device is available in adjustable output voltage version ranging from 0.6V to 0.9×VIN when input voltage range is from 2.5V to 5.5V, and is able to deliver up to 1A. The AP3417C is available in SOT-23-5 and W-DFN2020-6 (Type US) packages.
High Efficiency Buck Power Converter Wide Input Voltage Range: 2.5V to 5.5V Adjustable Output Voltage: 0.6V to 0.9×VIN Low RDS(ON) Internal Switches: 200m (VIN = 5V) Built-in Power Switches for Synchronous Rectification with High Efficiency Output Current: 1.0A Feedback Voltage: 600mV 1.5MHz Constant Frequency Operation Thermal Shutdown Protection Low Dropout Operation at 100% Duty Cycle No Schottky Diode Required Input Over Voltage Protection Output Over Voltage Protection Over Current Protection Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3
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