AP3605 BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

  • Regulated Output Current with ±3% Matching
  • Regulated ±10% Output Current Source
  • Drive up to 4 LEDs at 20 mA Each
  • Wide Operating V oltage Range: 2.7V to 5.5V
  • High Efficiency up to 93%
  • High Operating Frequency: 1MHz
  • Built-in Soft-Start to Limit the Inrush Current
  • LED Brightness Control through PWM and Analog Signal
  • Built-in Standby Mode to Make PWM Dimming Control Optimized
  • Built-in OTSD (Over Temperature Shutdown) Func- tion to Protect the Device from Burn Out

Applications

  • Mobile Phone
  • MP3, MP4
  • White LED Backlight in Mobile Phone, PDA Benefits
  • Wide Input V oltage Range
  • High Current Matching Precision
  • Built-in Standby to Make PWM Dimming Control Optimized Additional Available Materials
  • Samples
  • Preliminary Datasheet
  • Demo Board
  • Application Note
  • ESD Report Jul. 2007 BCD Semiconductor Manufacturing Limited Product Brief CHARGE PUMP CURRENT SOURCE FOR LED DRIVER WITH BRIGHTNESS CONTROL AP3605 Parametric Table Input V oltage (V) 2.7 to 5.5 Supply Current (Typ) (mA) 1.5 Operating Frequency (Typ) (MHz) 1.0 Efficiency (Typ) (%) 93 Output Current (Max) (mA) 120 Current Matching (Min/Max) (%) ± Soft Start Time (Typ) (µS) 400 Standby Time (Typ) (ms) 2.0 Package QFN-3x3-

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 Ordering Information Example Detailed information please refer to the relevant datasheet. Pin Configuration Package Temperature Range Part Number Marking ID Packing Type QFN-3x3-16 -40 to 85oC AP3605FNTR-E1 F1A Tape & Reel Product Brief CHARGE PUMP CURRENT SOURCE FOR LED DRIVER WITH BRIGHTNESS CONTROL AP3605 Jul. 2007 BCD Semiconductor Manufacturing Limited USA 30920 Huntwood Ave. Hayward, CA 94544, USA Tel : +1-510-324-2988 Fax : +1-510-324-2788 Taiwan 4F, 298-1 Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel : 886-2-2656-2808 Fax : 886-2-2656-2806 Shanghai 8F, B Zone, 900 Yi Shan Road, Shanghai 200233, China Tel : 86-21-6495 9539 Fax : 86-21-6485 9673 Shenzhen 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 Sales Office: QFN-3x3-16 PGND C1+ VIN C1- VOUT C2+ C2- AGND D1D2 ISET EN VIN VOUT E P 5678 13141516 Pin 1 Identification