AP4305_10 BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

  • Constant V oltage and Constant Current Control
  • Precision Internal V oltage Reference
  • Few External Components
  • Easy Compensation
  • Low Supply Current: 0.5mA
  • Operating Temperature Range: -40 to 105oC

Applications

  • Adapters
  • Battery Chargers

Figure 1. Package Type of AP4305

Figure 2. Pin Configuration of AP4305 (Top View)

2 GND Ground

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 May 2010 Rev. 2. 0 BCD Semiconductor Manufacturing Limited Data Sheet Functional Block Diagram Figure 3. Functional Block Diagram of AP4305

Ordering Information

1.210V 200mV 4 5 VCTRL BCD Semiconductor's products, as designated with "G1" suffix in the part number, are RoHS compliant and Green.

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 May 2010 Rev. 2. 0 BCD Semiconductor Manufacturing Limited Data Sheet Parameter Symbol Value Unit Power Supply V oltage V CC 20 V Input V oltage V IN -0.3 to VCC V Junction Temperature T J 150 oC Storage Temperature T STG -65 to 150 oC Lead Temperature (Soldering, 5sec) T LEAD 260 oC Package Thermal Resistance (Junction to Case) θJC 92 oC/W Note 1: Stresses greater than those li sted under "Absolute Maximu m Ratings" may cause permanen t damage to the device. These are stress ratings only, and functiona l operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Parameter Symbol Min Max Unit Power Supply V oltage V CC 2.5 18 V Operating Temperature Range T A -40 105 oC Recommended Operating Conditions Absolute Maximum Ratings (Note 1)

May 2010 Rev. 2. 0 BCD Semiconductor Manufacturing Limited Data Sheet CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 Parameter Symbol Conditions Min Typ Max Unit TOTAL CURRENT CONSUMPTION Total Supply Current Not Including the Output Sinking Current ICC TA=25oC 0.5 1 mA -40oC<TA<105oC 0.6 VOLTAGE CONTROL LOOP Transconduction Gain (VCTRL). Sink Current Only Gmv TA=25oC 13 . 5 mA/mV -40oC<TA< 105oC 2.5 V oltage Control Loop Reference V REF TA=25oC 1.204 1.21 1.216 V -40oC<TA< 105oC 1.186 1.234 Input Bias Current (VCTRL)I IBV TA=25oC 50 nA -40oC<TA< 105oC 100 CURRENT CONTROL LOOP Transconduction Gain (ICTRL). Sink Current Only Gmi TA=25oC 1.5 7 mA/mV Current Control Loop Reference V SENSE IOUT=2.5mA, TA=25oC 198 200 202 mV IOUT=2.5mA, -40oC<TA< 105oC 192 208 Current Out of Pin ICTRL at 200mV IIBI TA=25oC 25 µA -40oC<TA< 105oC 50 OUTPUT STAGE Low Output V oltage at 10mA Sinking Current VOL TA=25oC 200 mV Output Short Circuit Current. Output to VCC, Sink Current Only I OS TA=25oC 27 50 mA -40oC<TA< 105oC 35 (VCC=5V , TA=25oC, unless otherwise specified.)

Electrical Characteristics

Figure 8. Output Short Circuit Current vs. Fi gure 9. Supply Current vs. Ambient Temperature

Figure 10. Typical Application 1 of AP4305

Figure 11. Typical Application 2 of AP4305

Figure 12. Typical Application 3 of AP4305

May 2010 Rev. 2. 0 BCD Semiconductor Manufacturing Limited Data Sheet CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 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 Dot by Marking

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