G8211 APSEMI | Alldatasheet

Document overview

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  • PDF pages: 7

Technical content

Features

  • High Power Factor by One Cycle Control
  • Accuracy Constant Current
  • Low BOM Cost
  • Linear Dimming on DIM Pin
  • Average Current / Fixed Frequency Control
  • Gate Output Voltage Clamp
  • LED Open Protection (OVP)
  • LED Short Protection (SCP)
  • Over Current Protection (OCP)
  • Internal OTP Protection Device Marking Package G8211 G8211 8-SOP GP8211 GP8211 8-DIP 8-SOP High Power Factor & Accuracy Constant Current LED Driver Application
  • LED Off-line Lamps
  • High Voltage DC-DC LED Driver
  • Signage and Decorative LED Lighting
  • Back Lighting of Flat Panel Displays
  • General Purpose Constant Current Source 8-DIP
  • 2 - Rev.1 Jul. 2014 G8211/GP8211 Block Diagram Absolute Maximum Ratings Symbol Parameter Value Unit VCC Supply Voltage 30 V VIN INPUT Voltage (DIM, CS, COMP) -0.3 ~ 7 V VOUT OUTPUT Voltage 15 V TJ Operating Junction Temperature 150 ℃ TA Operating Ambient Temperature Range -20 ~ 85 ℃ TSTG Storage Temperature Range - 55 ~ 150 ℃ θJA Package Thermal Resistance (8SOP/8DIP) 165 / 125 ℃/W Pd Power dissipation (8SOP/8DIP) 0.75 / 1 W 40us debounce Internal Bias & Vref Over-temperature Protection V-V Current Waveform modulation Dimming Function OSC Driver Stage Vref OK VCC OK All Blocks EN Protection OTP VCC OVP 31.5V 15V/8V 0.8V OCP VREF R R S Q VCC OUT CS COMP DIM GND
  • 3 - Rev.1 Jul. 2014 G8211/GP8211 Pin Assignments Pin Definitions Pin Number Pin Name Pin Function Description

1 VCC Power Supply Pin

2 GND Ground Pin

3 OUT The Output Driver for Driving The External MOSFET

4 NC No Connection

5 NC No Connection

6 DIM Dimming Control Pin by Input a DC Voltage

7 COMP Feedback Compensation Network

8 CS Current Sense Pin, Connect to Sense The MOSFET Current

(current sense resister :RCS = VREF/IOUT) G8211 VCC GND OUT CS COMP DIM 3 6 NC NC4 5

  • 4 - Rev.1 Jul. 2014 G8211/GP8211

Electrical Characteristics

  • Vcc=15V, Ta=25°C, unless otherwise specified. Symbol Parameter Conditions Min. Typ. Max. Unit SUPPLY VOLTAGE SECTION IST Startup Current VCC=UVLO_on - 1V - 8 15 uA IOPR Operating Current COUT=1nF, VCOMP=2.5V - 2 3 mA ISD Operating Current (Protection) OCP, OVP, SCP, OTP - 1.5 2.0 mA VUV_OFF Under Voltage Lock Out (off) - 7 8 9 V VUV_ON Under Voltage Lock Out (on) - 14 15 16 V VOVP Over Voltage Protection - 29.5 31.5 33.5 V tOVP OVP De-Bounce Time (note1) - - 35 - us VOLTAGE FEEDBACK SECTION VREF Feedback Reference Voltage VCC=15V 0.195 0.200 0.205 V gm Trans conductance (note2) VCC=15V - 110 - uS ISINK Output Sink Current VCC=15V CS=-0.4V -14 -11 -8 us ISOURCE Output Source Current VCC=15V CS=0V 8 11 14 us CURRENT SENSING SECTION VOCP Over Current Protection VCC=15V 0.7 0.8 0.9 V tLEB Leading-Edge Blanking Time VCC=15V - 410 - ns tDELAY Delay to Output (note3) VCC=15V - 100 220 ns SWTICHING FREQUENCY SECTION FSW Switching Frequency VCC=15V 42 45 48 KHz DMAX Maximum Duty VCC=15V 90 95 - % FFM Frequency Jitter Range VCC=15V - +/- 4 - % TSTB Temp. Stability (note4) -40 ~ 125 °C - - 6 % VSTB Voltage Stability VCC = 11 ~ 25V - 0.5 1 %
  • 5 - Rev.1 Jul. 2014 G8211/GP8211
  • Vcc=15V, Ta=25°C, unless otherwise specified. Symbol Parameter Conditions Min. Typ. Max. Unit GATE DRIVER OUTPUT SECTION tRISING Rising Time (note5-1) Load = 1nF - 280 420 ns tFALLING Falling Time (note5-2) Load =1nF - 50 100 ns VGATE Gate Clamp Voltage VCC=25V - 11 13.5 V DIM INPUT SECTION SATTH Saturation Threshold Voltage VCC=15V 3.0 - - V DIM Linear Dimming Range VCC=15V 0.3 - 3.0 V DIMOFFTH LED Current off Threshold Voltage VCC=15V - - 0.5 V IDIM_CS Current Source VCC=15V 270 300 330 uA OTP SECTION (note6) OTPTP Over Temperature Protection VCC=15V - 150 - °C OTPTH OTP Hysteresis VCC=15V - 20 - °C tOTP OTP De-Bounce Time VCC=15V - 80 - ns * Note1,2,3,4,5,6 : Parameters are guaranteed by design, but not tested in production.
  • 6 - Rev.1 Jul. 2014 G8211/GP8211 Application Circuit EMI Filter CS OUT VCC COPM DIM GND GND NTC Dimming UVLO Control Logic
  • 7 - Rev.1 Jul. 2014 G8211/GP8211 AP Semiconductor Co., Ltd E-mail: sales@apsemi.com © 2015 AP semiconductor Co., Ltd. – Printed in KOREA – All Rights Reserved. IMPORTANT NOTICE AP Semiconductor co, Ltd reserves the right to make changes without further notice to any products or specifications herein. AP Semiconductor co, Ltd does not assume any responsibility for use of any its products for any particular purpose, nor does AP Semiconductor co, Ltd assume any liability arising out of the application or use of any its products or circuits. AP Semiconductor co, Ltd does not convey any license under its patent rights or other rights nor the rights of others. http://www.apsemi.com