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AP5002

Part Number	AP5002
Manufacturer	Diodes Incorporated
Description	PWM CONTROL 2A STEP-DOWN CONVERTER
Published	Jul 9, 2009
Detailed Description	www.DataSheet4U.com AP5002 PWM CONTROL 2A STEP-DOWN CONVERTER Features • • • • • • • • • • • Input voltage: 3.6V to 20...
Datasheet	AP5002 PDF File

Overview

www.
DataSheet4U.
com AP5002 PWM CONTROL 2A STEP-DOWN CONVERTER Features • • • • • • • • • • • Input voltage: 3.
6V to 20V Output voltage: 0.
8V to VCC Duty ratio: up to 100% PWM control Oscillation frequency: 500KHz typical Soft-start Current Limit, Enable function Thermal Shutdown function Built-in internal SW P-channel MOS Low ESR output capacitor (MLCC, multi-layer ceramic capacitor) support Efficiency 90% SOP-8L: Available in “Green” Molding Compound (No Br, Sb) Lead Free Finish / RoHS Compliant (Note 1) General Description AP5002 consists of step-down switching regulator with PWM control.
These devices include a reference voltage source, oscillation circuit, error amplifier, internal PMOS.
AP5002 provides low-ripple power, high efficiency, and excellent transient characteristics.
The PWM control circuit is able to vary the duty ratio linearly up to 100%.
This converter also contains an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup.
An e...

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