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Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
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Technical content

Features

  • Primary Side Control for Tight Constant Current and Constant V oltage
  • 30mW No-load Input Power
  • Excellent Dynamic Performance with AP4340
  • Bipolar Junction Transistor (BJT) Driving
  • Proprietary Adjustable Line Compensation for CC Variation
  • Constant and Built-in 6%, 3% and No Cable V oltage Drop Compensation
  • Enhanced Audio Noise Suppression
  • Open Circuit Protection
  • Over V oltage Protection
  • Short Circuit Protection
  • SOT-23-6 package

Applications

  • Adapters/Chargers for Cell/cordless Phones, PDAs, MP3 and Other Portable Devices
  • LED Driver
  • Standby and Auxiliary Power Supplies

Figure 1. Package Type of AP3772H

Figure 2. Pin Configuration of AP3772H (Top View)

1 OUT

2 GND

3 VCC

5 CPC

6 FB The CV and CC regulation are realized based on the voltage

Figure 3. Functional Block Diagram of AP3772H

P r e l i m i n a r y D a t a s h e e t Low-Power Off-line Primary Side Regulation Controller AP3772H Dec. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Ordering Information

Part Number Marking ID Packing Type SOT-23-6 -40 to 85°C 6% AP3772HAK6TR-G1 GBC Tape & Reel 3% AP3772HBK6TR-G1 GKJ Tape & Reel

0 AP3772HCK6TR-G1 GJD Tape &

BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green. Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Supply Voltage V CC -0.3 to 30 V CS, CPC to GND -0.3 to 7 V FB Input Voltage V FB -40 to 10 V Source Current at OUT Pin ISOURCE Internally Limited A Operating Junction Temperature T J 150 ºC Storage Temperature T STG -65 to 150 ºC Lead Temperature (Soldering, 10 sec) TLEAD 300 ºC Thermal Resistance (Junction to Ambient) θJA 200 ºC/W 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 op eration 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. G1: Green TR: Tape & Reel Package K6: SOT-23-6 Circuit Type Cable Compensation Voltage A: 6% B: 3% C: 0

P r e l i m i n a r y D a t a s h e e t Low-Power Off-line Primary Side Regulation Controller AP3772H Dec. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Electrical Characteristics

VCC =15V , TA=25°C, unless otherwise specified. Parameter Symbol Conditions Min Typ Max Unit UVLO SECTION Startup Threshold V TH (ST) 13 15.5 18 V Minimal Operating V oltage V OPR(MIN) 3 3.5 4.5 V STANDBY CURRENT SECTION Startup Current I ST VCC=VTH (ST)-1V , Before startup 0 0.2 0.6 µA Operating Current I CC(OPR) Static current 250 500 600 µA DRIVE OUTPUT SECTION Output Current Sink I SINK Apply 1V @ OUT pin 150 330 500 mA Source I SOURCE 30 40 50 mA Maximum Off Time t OFF(MAX) 14 18 25 ms CURRENT SENSE SECTION Current Sense Threshold V oltage at Heavy Load VCS1 500 525 550 mV Leading Edge Blanking t LEB The minimum power switch turn on time 300 500 650 ns FEEDBACK INPUT SECTION Input Resistance of FB Pin R FB V FB=4V 1 1.6 2 MΩ Feedback Threshold V FB 3.98 4.04 4.1 V LINE COMPENSATION SECTION Line Compensation Transconductance (Note 2) gm 0.8 1.2 1.6 µS CABLE COMPENSATION SECTION Cable Compensation V oltage ∆VFB_CABLE /VFB % AP3772HA 5 6 7 % AP3772HB 2 3 4 AP3772HC 0 DYNAMIC FUNCTION SECTION Delay Time for Dynamic Function tD 110 150 200 µs Trigger V oltage for Dynamic Function VTRIGGER 120 150 180 mV PROTECTION SECTION Over V oltage Protection V FB(OVP) 7 8 9 V Maximum On Time of Primary Side tonp (MAX) 20 35 50 µs Note 2: Line compensation voltage on CS pin: LINEm PRI AUX DCINCS RgRR R N NVV ⋅⋅+⋅⋅=

Figure 16. Feedback Voltage vs. Supply Voltage Figure 17. Line Compensation Transconductance

Figure 18. 5V/1A Output for Battery Charger of Mobile Phone

P r e l i m i n a r y D a t a s h e e t Low-Power Off-line Primary Side Regulation Controller AP3772H Dec. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions SOT-23-6 Unit: mm(inch) 2.820(0.111) 3.020(0.119) 2.650(0.104) 2.950(0.116) 1.500(0.059) 1.700(0.067) 0.950(0.037)TYP 1.800(0.071) 2.000(0.079) 0.300(0.012) 0.400(0.016) 0.700(0.028)REF 0.100(0.004) 0.200(0.008) 0.200(0.008) 0.300(0.012) 0.600(0.024) 0.000(0.000) 0.150(0.006) 0.900(0.035) 1.300(0.051) 1.450(0.057) MAX 123 456 Pin 1 Mark

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 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 Yishan Road, Shanghai 200233, China

Tel: +021-6485-1491, Fax: +86-021-5450-0008 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 518057, China Tel: +86-0755-8660-4900, Fax: +86-0755-8660-4958 Taiwan Office (Taipei) BCD Semiconductor (Taiwan) Company Limited Tel: +886-2-2656 2808 Fax: +886-2-2656-2806/26562950 Taiwan Office (Hsinchu) BCD Semiconductor (Taiwan) Company Limited 8F, No.176, Sec. 2, Gong-Dao 5th Road, East District HsinChu City 300, Taiwan, R.O.C Tel: +886-3-5160181, Fax: +886-3-5160181 - Headquarters BCD (Shanghai) Micro-electronics Limited No. 1600, Zi Xing Road, Shanghai ZiZhu Science-based Industrial Park, 200241, P. R.C. Tel: +86-021-2416-2266, Fax: +86-021-2416-2277 USA Office BCD Semiconductor Corp.

48460 Kato Road, Fremont, CA 94538, USA

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