AP3583,A BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

  • Supply V oltage: 5V/12V
  • V IN Input Range: 3.0V to 13.2V
  • 0.6V to 80% of V IN Output Range
  • Internal Reference: 0.6V
  • Support Tracking Mode and Stand-alone Mode
  • Simple Single-loop Control
  • V oltage-mode PWM Control
  • Duty Cycle: 0% to 80%
  • Fast Transient Response
  • Fixed Oscillator Frequency: 200/300kHz
  • Lossless, Programmabl e Over Current Protection (Uses Lower MOSFET R DS(ON) )
  • Start-up into Pre-biased Output
  • Built-in Thermal Shutdown
  • Built-in Soft-start
  • Over Current/V oltage Protection
  • Under V oltage 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

Figure 2. Pin Configuration of AP3583/A (Top View)

1 BOOT

2 UGATE

4 LGATE

5 VCC

7 REFIN

8 PHASE

9 GND

Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A Dec. 2011 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Functional Block Diagram OTP SOFT-START POWER-ON RESET (POR) INTERNAL REGULATOR 4V INT 0.6V OSCILLATOR PWM GATE CONTROL LOGIC ERROR AMPLIFIER PWM COMPARATOR VCC 0.3V ENABLE 137.5%VREF OVP REFIN GND OPS LGATE PHASE UGATE BOOT VCC REFERENCE SELECTION OCP COMPARATOR A FB Figure 3. Functional Block Diagram of AP3583/A

Ordering Information

Range Part Number Marking ID Packing Type AP3583MP-G1 3583MP-G1 Tube AP3583MPTR-G1 3583MP-G1 Tape & Reel AP3583AMP-G1 3583AMP-G1 Tube PSOP-8 -40 to 85°C AP3583AMPTR-G1 3583AMP-G1 Tape & Reel BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green. G1: Green Blank: Tube TR: Tape & Reel Circuit Type Blank: AP3583 A: AP3583A Package MP: PSOP-8

Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A Dec. 2011 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Supply V oltage V CC -0.3 to 15 V BOOT V oltage V BOOT -0.3 to V PHASE +15 V V oltage from UGATE to PHASE VUGATE -0.3 to 15 V V oltage from PHASE, LGATE Pin to GND VPHASE, VLGATE -1 to 15 V V oltage on Other Separate Pin -0.3 to 6 V Thermal Resistance θJA 50 ºC/W Operating Junction Temperature TJ -40 to 125 ºC Storage Temperature TSTG -65 to 150 ºC Lead Temperature (Soldering, 10 sec) TLEAD 260 ºC ESD (Human Body Model) (Note 2) 2000 V ESD (Machine Model) (Note 2) 200 V Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Co nditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Note 2: Devices are ESD sensitive. Handling precaution recommended. Recommended Operating Conditions Parameter Symbol Min Max Unit Supply Input V oltage V CC 4.5 13.2 V Operating Junction Temperature T J -40 125 °C Operating Ambient Temperature T A -40 85 °C

Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A Dec. 2011 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Electrical Characteristics

VCC=12V , TA=25°C, unless otherwise specified. Parameter Symbol Conditions Min Typ Max Unit SUPPLY INPUT Supply V oltage V CC 4.5 13.2 V Supply Current I CC UGATE1and1LGATE Pin1Open; VCC=12V ,1Switching 3 mA Quiescent Supply Current I CC_Q VFB=VREF+0.1V , No Switching 2 mA Power Input V oltage V IN 3.0 13.2 V POWER ON RESET VCC Rising Threshold V POR V CC Rising 4.0 4.2 4.4 V VCC Threshold Hysteresis V POR_HYS 300 mV OSCILLATOR AP3583 180 200 220 Oscillator Frequency f OSC AP3583A 270 300 330 kHz Ramp Amplitude ∆VOSC V CC=12V 1.0 V PWM CONTROLLER GATE DRIVERS Upper Gate Source Current I UG_SRC VBOOT-VPHASE=12V , VBOOT-VUGATE=6V -1 A Upper Gate Sink Current I UG_SNK VBOOT-VPHASE=12V , VBOOT-VUGATE=6V 1.5 A Upper Gate Sink Resistance R UGATE 50mA Sink Current VBOOT-VPHASE=12V 1.6 3.2 Ω Lower Gate Source Current I LG_SRC V CC-VLGATE=6V -1 A Lower Gate Sink Current I LG_SNK V LGATE=6V 1.5 A Lower Gate Sink Resistance R LGATE VCC=12V , 50mA Source Current 1 2 Ω PHASE Falling to LGATE Rising Delay VPHASE<1.2V to VLGATE>1.2V 50 ns LGATE Falling to UGATE Rising Delay VLGATE<1.2V to (VUGATE-VPHASE)>1.2V 50 ns Minimum Duty Cycle 0 % Maximum Duty Cycle 75 80 85 % REFERENCE VOLTAGE Feedback V oltage V FB Stand-alone Mode 0.591 0.6 0.609 V

VCC=12V , TA=25℃, unless otherwise specified. Figure 4. Line Regulation Figure 5. Load Regulation

Figure 14. REFIN Operation Figure 15. Power Input Detection

Figure 22. Typical Application Circuit of AP3583/A

Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A Dec. 2011 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions P S O P - 8 U n i t : m m ( i n c h ) 3.202(0.126) 3.402(0.134)

BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 BCD Semiconductor Manufacturing Limited MAIN SITE REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office Room E, 5F, Noble Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen 518026, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 USA Office BCD Semiconductor Corporation 30920 Huntwood Ave. Hayward, CA 94544, U.S.A Tel : +1-510-324-2988 Fax: +1-510-324-2788 - IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com BCD Semiconductor Manufacturing Limited IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.

800 Yi Shan Road, Shanghai 200233, China

Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 MAIN SITE REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd., Shenzhen Office Unit A Room 1203, Skyworth Bldg., Gaoxin Ave.1.S., Nanshan District, Shenzhen, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 USA Office BCD Semiconductor Corp. 30920 Huntwood Ave. Hayward, CA 94544, USA Tel : +1-510-324-2988 Fax: +1-510-324-2788 - Headquarters BCD Semiconductor Manufacturing Limited No. 1600, Zi Xing Road, Shanghai ZiZhu Science-based Industrial Park, 200241, China Tel: +86-21-24162266, Fax: +86-21-24162277