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AP3583AMP-G1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP3583AMP-G1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 13 page  Data Sheet Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A Dec. 2011 Rev. 1. 1 BCD Semiconductor Manufacturing Limited 1 General Description The AP3583/A is a simple single-phase synchronous buck controller. It operates from 5V or 12V supply voltage and delivers high quality output voltage as low as 0.6V. This device operates at fixed 200kHz (AP3583) or 300kHz (AP3583A) frequency and provides an optimum compromise between efficiency, external component size and cost. With integrated linear regulator bootstrap diode, and N-Channel MOSFET gate drives, the AP3583/A can reduce external component count and board space requirements. The AP3583/A supports both tracking mode and stand-alone mode operation. The output voltage is tightly regulated to the external reference voltage from 0.4V to 3V at tracking mode or internal 0.6V reference at stand-alone mode. Other features include internal soft-start, under voltage protection, over current protection and shutdown function. With aforementioned functions, this part provides customers a compact, high efficiency, well-protected and cost-effective solutions. The AP3583/A is available in PSOP-8 package. Features • Supply Voltage: 5V/12V • VIN Input Range: 3.0V to 13.2V • 0.6V to 80% of VIN Output Range • Internal Reference: 0.6V • Support Tracking Mode and Stand-alone Mode • Simple Single-loop Control • Voltage-mode PWM Control • Duty Cycle: 0% to 80% • Fast Transient Response • Fixed Oscillator Frequency: 200/300kHz • Lossless, Programmable Over Current Protection (Uses Lower MOSFET RDS(ON) ) • Start-up into Pre-biased Output • Built-in Thermal Shutdown • Built-in Soft-start • Over Current/Voltage Protection • Under Voltage Protection • Integrated Boot Diode Applications • Power Supplies for Microprocessors/Peripherals • PCs, Embedded Controllers, Memory Supplies • DSP and Core Communications Processor Supplies • Subsystem Power Supplies • PCI, AGP, Graphics Cards and Digital TV • SSTL-2 and DDR/2/3 SDRAM Bus Termination Supply • Cable Modems, Set Top Boxes, and DSL • Modems • Industrial Power Supplies and General Purpose Supplies • 5V/12V Input DC-DC Regulators • Low-voltage Distributed Power Supplies Figure 1. Package Type of AP3583/A PSOP-8 |
Similar Part No. - AP3583AMP-G1 |
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Similar Description - AP3583AMP-G1 |
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