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AP3586BM-G1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP3586BM-G1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 17 page  Data sheet Single Phase Synchronous Buck PWM Controller AP3586A/B/C Mar. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited 1 General Description The AP3586A/B/C is a compact synchronous -rectified buck controller specifically designed to operate from 5V or 12V supply voltage and deliver high-quality output voltage as low as 0.6V (AP3586A) or 0.8V (AP3586B/C). This device operates at fixed 300kHz (AP3586A/B) or 200kHz (AP3586C) frequency and provides an optimal level of integration to reduce size and cost of the power supply. This controller integrates internal MOSFET drivers that support 12V+12V bootstrapped voltage for high- efficiency power conversion. The bootstrap diode is built-in to simplify the circuit design and minimize external part count. This controller provides single feedback loop, voltage-mode control with fast transient response. The error amplifier features a 10MHz gain-bandwidth product and 6V/µs slew rate which enables high converter bandwidth for fast transient performance. Other features include internal soft-start, under voltage protection, over current protection and shutdown function. With afore-mentioned functions, this part provides customers a compact, high efficiency, well-protected and cost-effective solutions. The AP3586A/B/C is available in SOIC-8 and PSOP-8 packages. Features • Supply Voltage: 5V/12V • VIN Input Range: 3.3V to 12V • 0.6V/0.8V to 82% of VIN Output Range • Internal Reference: 0.6V/0.8V • Simple Single-loop Control • Voltage-mode PWM Control • Duty Cycle: 0% to 82% • Fast Transient Response • 10MHz High-bandwidth Error Amplifier with 6V/µs Slew Rate • Fixed Oscillator Frequency: 300kHz/200kHz • Lossless, Programmable Over Current Protection (Uses Lower MOSFET RDS(ON) ) • Start-up into Pre-biased Load • Built-in Thermal Shutdown • Built-in Soft-start • Over Current Protection • Over Voltage Protection • Under Voltage Protection • Integrated Boot Diode Applications • Subsystem Power Supplies • PCI, AGP, Graphics Cards, 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 Figure 1. Package Types of AP3586A/B/C SOIC-8/PSOP-8 |
Similar Part No. - AP3586BM-G1 |
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Similar Description - AP3586BM-G1 |
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