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AP1507

Diodes Incorporated
Part Number AP1507
Manufacturer Diodes Incorporated
Description 3A PWM BUCK DC/DC CONVERTER
Published May 12, 2007
Detailed Description NOT RECOMMENDED FOR NEW DESIGN CONTACT US AP1507 150kHz, 3A PWM BUCK DC/DC CONVERTER Description The AP1507 is a mono...
Datasheet PDF File AP1507 PDF File

AP1507
AP1507

Overview
NOT RECOMMENDED FOR NEW DESIGN CONTACT US AP1507 150kHz, 3A PWM BUCK DC/DC CONVERTER Description The AP1507 is a monolithic IC designed for a step-down DC/DC converter and is capable of driving a 3A load without an external transistor.
Due to reducing the number of external components, the board space can be saved easily.
The external shutdown function can be controlled by logic level and then go into standby mode.
The internal compensation makes the feedback control have good line and load regulation without an external design.
Regarding the protected function, the thermal shutdown prevents overtemperature operation from damaging the device, and current limit protects against overcurrent operation of the output switch.
If the current limit function occurs, and VFB is down to 0.
5V below, the switching frequency reduces.
The AP1507 series operates at a switching frequency of 150kHz, which allows smaller-sized filter components than the requirements with lower frequency switching regulators.
Other features include a guaranteed ±4% tolerance on output voltage under specified input voltage and output load conditions and ±15% on the oscillator frequency.
The output version included a fixed 3.
3V, 5V, 12V, and an adjustable type.
AP1507 is available in a 5-lead TO252-5 green package.
Features • Output Voltage: 3.
3V, 5V, 12V and Adjustable Output Version • Adjustable Version Output Voltage Range, 1.
23V to 18V ±4% • 150kHz ±15% Fixed Switching Frequency • Voltage Mode Non-Synchronous PWM Control • Thermal-Shutdown and Current-Limit Protection • ON/OFF Shutdown Control Input • Operating Voltage up to 22V • Output Load Current: 3A • Low Power Standby Mode • Built-in Switching Transistor On Chip • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) • Halogen and Antimony Free.
“Green” Device (Note 3) • For automotive applications requiring specific change control (i.
e.
parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities),...


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