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AP1513

Diodes Incorporated
Part Number AP1513
Manufacturer Diodes Incorporated
Description PWM CONTROL 2A STEP-DOWN CONVERTER
Published May 12, 2007
Detailed Description AP1513 PWM CONTROL 2A STEP-DOWN CONVERTER Description AP1513 consists of step-down switching regulator with PWM control...
Datasheet PDF File AP1513 PDF File

AP1513
AP1513

Overview
AP1513 PWM CONTROL 2A STEP-DOWN CONVERTER Description AP1513 consists of step-down switching regulator with PWM control.
These devices include a reference voltage source, oscillation circuit, error amplifier, and internal PMOS.
AP1513 provides low-ripple power, high efficiency, and excellent transient characteristics.
The PWM control circuit is able to vary the duty ratio linearly from 0 up to 100%.
This converter also contains an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup.
An enable function, an over current protect function and a short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced from 300kHz to 30kHz.
Also, an internal compensation block is built in to minimum external component count.
With the addition of an internal P-channel Power MOS, a coil, capacitors, and a diode connected externally, these ICs can function as step-down switching regulators.
They serve as ideal p...


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