SA482X67K65 PWM CONTROLLER WITH BUILT-IN 2A@5Ω MOSFET DESCRIPTION SA482X67K65 is a current mode PWM controller for power switch. It included PWM controller with integrates the fixed frequency oscillator, the under voltage lock-out, the leading edge blanking, the DIP-8-300-2.54 thermal shutdown protection, and the over current protection. FEATURES * Restart current (Typ. 100µA) TO-220F-4L * Precision Fixed Operating Frequency * Overcurrent protection * Overvoltage protection * Undervoltage lockout ORDERING INFORMATION * Built-in temperature protection Device * Built-in high voltage MOSFET * Auto restart mode APPLICATIONS Package SA482P67K65 DIP-8-300-2.54 SA482T67K65 TO-220F-4L * Switch power. TYPICAL OUPUT POWER CAPABILITY DEVICE SA482P67K65 SA482T67K65 190~265VAC 85~265VAC Close Open Close Open 14W 20W 12W 14W 20W HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 14W REV:1.4 2007.07.05 Page 1 of 7 SA482X67K65 BLOCK DIAGRAM ABSOLUTE MAXIMUM RATING Characteristics Symbol Rating Unit VDGR 650 V Gate-Power (GND) Voltage VGS ±30 V Drain Current Pulsed IDM 8.0 ADC Continuous Drain Current (Tamb=25°C) ID 2.0 ADC Continuous Drain Current (Tamb=100°C) ID 1.3 ADC EAS 68 mJ Power Supply Voltage VCC 30 V Analog Input Voltage VFB -0.3~ VSD V Drain-Gate Voltage (RGS=1MΩ) Signal Pulsed Avalanche Energy (2) SA482P67K65 SA482T67K65 Total Power Consumption SA482P67K65 PD Darting SA482T67K65 2.2 W 42 0.017 W/°C 0.33 TJ +160 °C Operating Temperature Tamb -25~ +85 °C Storage Temperature Tstg -55~+150 °C Operating Junction Temperature Note: 1. Pulse width is limited by maximum junction temperature. 2. L=51mH, starting Tj=25°C HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.4 2007.07.05 Page 2 of 7 SA482X67K65 ELECTRICAL CHARACTERISTICS (sense MOSFET part, unless otherwise specified, Tamb=25°C) Characteristics Symbol Drain-Source Breakdown Voltage BVDSS Zero Gate Voltage Drain Current IDSS Test conditions Min. Typ. Max. Unit VGS=0V, ID=50µA 650 -- -- V VDS=Max. VGS=0V -- -- 50 µA -- -- 200 µA VDS=0.8Max. VGS=0V Tamb=125°C Static Drain-Source On RDS(ON) VGS=10V, ID=0.5A -- 5.0 6.0 Ω Forward Transconductance Gfs VDS=50V, ID=0.5A 1.5 -- -- S Input Capacitance Ciss -- 550 -- Output Capacitance Coss -- 38 -- Reverse Transfer Capacitance Crss -- 17 -- Td(on) -- 20 -- -- 15 -- -- 55 -- -- 25 -- -- -- 35 -- 3 -- -- 12 -- Resistance Turn On Delay Time Rise Time Turn Off Delay Time Fall Time Total Gate Charge (Gate-Source+Gate-Drain) Tr Td(off) VGS=0V, VDS=25V, f=1MHz VDD=0.5BVDSS, ID=1A Tf Qg Gate-Source Charge Qgs Gate-Drain Charge Qgd VGS=10V, ID=1A, VDD=0.5BVDSS pF nS nC ELECTRICAL CHARACTERISTICS (control part, unless otherwise specified, Tamb=25°C) Characteristics Symbol Test conditions Min. Typ. Max. Unit Undervoltage Section Start Threshold Voltage Vstart VFB=0 14 15 16 V Stop Threshold Voltage Vstop VFB=0 8.4 9 9.6 V 61 67 73 KHz -- ±5 ±10 % 72 77 82 % Oscillator Section Oscillate Frequency Frequency Change With Temperature Maximum Duty FOSC -- -25° Tamb +85°C Dmax Feedback Section Feedback Source Current IFB 0V VFB 3V 0.8 1.0 1.2 mA Shutdown Feedback Voltage VSD VFB 6.5V 6.9 7.5 8.1 V Shutdown Delay Current Idelay 5V VFB VSD 4 5 6 µA 4.80 5.00 5.20 V -- 0.3 0.6 mV/°C 1.89 2.15 2.41 A Reference Voltage Output Voltage Temperature Stability Vref Vref T -25° Tamb +85°C Current Limit Peak Current Limit Iover Max. inductor current To be continued HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.4 2007.07.05 Page 3 of 7 SA482X67K65 (Continued) Characteristics Symbol Test conditions Min. Typ. Max. Unit 25 27 29 V 140 160 -- °C -- 100 170 µA -- 7 12 mA Protection Section Overvoltage Protection Vovp Overheat Protection Tsd VCC 24V Total Standby Current Start Current Istart Supply Current (Control Part) VCC=14V Iop PIN CONFIGURATION PIN DESRIPTION Pin No. Pin name Pin descriptions SA482P67K65 SA482T67K65 6 7 8 2 Drain Drain pins 1 1 GND Ground. 3 3 VCC Power supply pin. 4 4 FB Feedback input pin. 2 5 -- NC Not connect. FUNCTION DESCRIPTIONS SA482X67K65 is used for off-line SMPS with high voltage MOSFET and current mode PWM controller. The PWM controller integrates the fixed frequency oscillator, the undervoltage lockout, the overvoltage protection, the overcurrent protection, the temperature protection, and the leading edge blanking. SA482X67K65 need few external components, increasing the efficiency and system reliability, suited for a flyback converter or a forward converter. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.4 2007.07.05 Page 4 of 7 SA482X67K65 TYPICAL APPLICATION CIRCUIT Note:The circuit and parameters are reference only, please set the parameters of the real application circuit based on the real test . HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.4 2007.07.05 Page 5 of 7 SA482X67K65 PACKAGE OUTLINE DIP-8-300-2.54 UNIT: mm 2.54 1.52 15 degree +0.4 9.40 -0.3 0.5MIN +0.35 0.89 -0.30 0.46 UNIT: mm HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 13.60±0.20 10.30±0.30 15.60±0.20 15.70±0.20 6.50±0.10 3.40±0.10 TO-220F-4L REV:1.4 2007.07.05 Page 6 of 7