AP4305 BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

Constant Voltage and Constant Current Control Precision Internal Voltage Reference Few External Components Easy Compensation

Applications

Figure 1. Package Type of AP4305

Figure 2. Pin Configuration of AP4305 (Top View)

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 Preliminary Datasheet Sep. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Functional Block Diagram Figure 3. Functional Block Diagram of AP4305

Ordering Information

1.210V 200mV VCTRL BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 Preliminary Datasheet Sep. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Parameter Symbol Value Unit Power Supply Voltage VCC V Input Voltage VIN -0.3 to VCC V Junction Temperature TJ 150 oC Storage Temperature TSTG -65 to 150 oC Lead Temperature (Soldering, 5sec) TLEAD 260 oC Package Thermal Resistance (Junction to Case) θJC 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 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 Voltage VCC 2.5 V Operating Temperature Range TA -40 105 oC Recommended Operating Conditions Absolute Maximum Ratings (Note 1)

BCD Semiconductor Manufacturing Limited CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 Preliminary Datasheet Sep. 2005 Rev. 1. 1 Parameter Symbol Conditions Min Typ Max Unit TOTAL CURRENT CONSUMPTION Total Supply Current Not Including the Output Sinking Current ICC TA=25oC 0.5 mA -40oC<TA<105oC 0.6 VOLTAGE CONTROL LOOP Transconduction Gain (VCTRL). Sink Current Only Gmv TA=25oC 3.5 mA/mV -40oC<TA< 105oC 2.5 Voltage Control Loop Reference VREF TA=25oC 1.204 1.21 1.216 V -40oC<TA< 105oC 1.186 1.234 Input Bias Current (VCTRL) IIBV TA=25oC nA -40oC<TA< 105oC 100 CURRENT CONTROL LOOP Transconduction Gain (ICTRL). Sink Current Only Gmi TA=25oC 1.5 mA/mV Current Control Loop Reference VSENSE IOUT=2.5 mA TA=25oC 198 200 202 mV -40oC<TA< 105oC 192 208 Current Out of Pin ICTRL at 200mV IIBI TA=25oC µA -40oC<TA< 105oC OUTPUT STAGE Low Output Voltage at 10mA Sinking Current VOL TA=25oC 200 mV Output Short Circuit Current. Output to VCC. Sink Current Only IOS TA=25oC mA -40oC<TA< 105oC (VCC=5V, TA=25oC, unless otherwise specified.)

Electrical Characteristics

Figure 10. Typical Application of AP4305

BCD Semiconductor Manufacturing Limited CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305 Preliminary Datasheet Sep. 2005 Rev. 1. 1 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) 0.100(0.004) 1.050(0.041) 1.150(0.045) 1.050(0.041) 1.250(0.049)

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 27B, Tower C, 2070, Middle Shen Nan Road, Shenzhen 518031, China Tel: +86-755-8368 3987, Fax: +86-755-8368 3166 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 3170 De La Cruz Blvd., Suite 105, Santa Clara, CA 95054-2411, U.S.A Tel: +1-408-988 6388, Fax: +1-408-988 6386 - 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