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AP1530SL-13 Datasheet(PDF) 1 Page - Diodes Incorporated |
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AP1530SL-13 Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 12 page AP1530 18V 3A 300KHz BUCK CONVERTER AP1530 Rev. 7 1 of 12 NOVEMBER 2009 DS31092 www.diodes.com © Diodes Incorporated • Input voltage: 3.6V to 18V. • Output voltage: 0.8V to VCC. • Duty ratio: 0% to 100% PWM control • Oscillation frequency: 300kHz typ. • Current Limit, Enable function • Thermal Shutdown function • Built-in internal SW P-channel MOS • Lead Free package: SOP-8L • SOP-8L: Available in “Green” Molding Compound (No Br, Sb) (Note 1) • Lead Free Finish/ RoHS Compliant (Note 2) AP1530 consists of step-down switching regulator with PWM control. These devices include a reference voltage source, oscillation circuit, error amplifier and internal PMOS. AP1530 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. An enable function, an over current protection and a short circuit protection are built inside, and when OCP or SCP happens, the operation frequency will be reduced from 300kHz to 50kHz. 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 power supply units for portable devices when coupled with the SOP-8L package, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage up to 18V, it is also suitable for the operation via an AC adapter. • PCD Motherboard • LCD Monitor • Graphic Card • DVD-Video Player • Telecom Equipment • ADSL Modem • Printer and other Peripheral Equipment • Microprocessor core supply • Networking power supply Typical Application Circuit AP 1530 + - VSS EN Cc R A R B D1 * FB Vcc Output CVcc V OUT = 5V/3A V IN R OCSET OCSET C OUT C IN Option C OCSET C EN R EN Option 100K L1 22uH 6.8K 1.3K 3K 0.1uF + - C 0.1uF 470uF 470uF 0.1uF * Suggested DIODES Power Schottky P/N: B340 series or PDS340. VOUT=VFB x (1+RA/RB) R B= 0.7K~5K ohm Features General Description Applications |
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Similar Description - AP1530SL-13 |
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