TD220/221 Gate Driver with VReg and Two Point Regulator DATASHEET ■ 60mA/120mA MIN GATE DRIVE ■ TWO POINT REGULATOR FOR SWITCHING CHARGE PUMP SUPPLY ■ 3.3V OR 5V VOLTAGE REGULATOR ■ LOW STARTUP CURRENT ■ UVLO PROTECTION ■ 2kV ESD PROTECTION Package Reference D SO8 (Plastic MicroPackage) DESCRIPTION TD220 is a solution for micro-controller based offline applications. TD220 includes a two point regulator for power supply generation, a 3.3V (TD220) or 5V (TD221) linear regulator for the microcontroller supply, and a MOSFET driver. PIN CONNECTIONS (top view) APPLICATIONS ■ µC-BASED OFF-LINE APPLICATIONS ORDER CODE VCC 1 8 VCAP D VOUT 2 7 VSUP • • NC 3 6 GND IN 4 5 GATE Temperature Range Package Part Number TD220I TD221I -25, +125°C -25, +125°C Note: D = Small Outline Package (SO) - also available in Tape & Reel (DT) May 2003 Revision B 1/8 TD220/221 1 Block Diagram BLOCK DIAGRAM VCC VCAP Vreg D1 UVLO D2 22V VSUP VOUT D3 Q1 NC IN 13V GND TPR GATE 75k Pin Description 2/8 Name Pin Number Type Function VCC 1 Power supply Supply capacitor and startup resistor VOUT 2 Analog output +3.3V (TD220) or +5V (TD221) voltage regulator IN 4 Digital input Input signal for gate drive GATE 5 Analog output Gate drive output GND 6 Power supply Signal ground VSUP 7 Power supply Charge pump input VCAP 8 Power supply Capacitor for charge pump Absolute Maximum Rating 2 TD220/221 ABSOLUTE MAXIMUM RATING Symbol VCC Vout Vin Isup Ipeak Pd Tstg Tj Rhja Rhjc ESD Parameter DC Supply Voltage (Icc<5mA) Voltage on GATE and VCAP pins Value Unit -0.3 to selflimit V -0.3 to VCC+0.3 V -0.3 to 7 V Continuous current in VSUP pin -200 to 200 mA Peak current in VSUP pin (tp≤1µs, f≤150kHz, see waveform below) -1.0 to 1.0 A 500 mW -55 to 150 °C Voltage on IN and VOUT pins Power dissipation Storage temperature Maximum Junction Temperature 150 °C Thermal Resistance Junction-Ambient 150 °C/W Thermal Resistance Junction-Case 40 °C/W Electrostatic discharge (HBM) 2 kV Value Unit UVLO to 17 V 0 to 200 mA OPERATING CONDITIONS Symbol VCC Isup Ipeak Tj Parameter Supply Voltage Continuous current in VSUP pin Peak current in VSUP pin (tp≤1µs, f≤150kHz, see waveform below) -1.0 to 1.0 A Junction Temperature -25 to 125 °C Typical waveform of current in VSUP pin Ipeak 10mA tp 3/8 TD220/221 3 Electrical Characteristics ELECTRICAL CHARACTERISTICS Tamb = 25°C, VCC=13V unless otherwise specified Symbol Parameter Test Condition Min Typ Max Unit 0.7 1.0 1.2 mA mA 5 6 mA 230 24 µA µA V Supply Icc Supply current Icc2 Istby Vclamp Standby current Clamp voltage no load at any pin, Vin<1V Tamb=25°C -25°C<Tj<125°C 1nF GATE load, 300kHz IN signal UVLO active Tamb=25°C -25°C<Tj<125°C Icc<5mA 4 160 20 22 Input Vton Vtoff Vh Iinpl Iinph IN Turn-on Threshold Voltage 1.8 2.1 V IN Turn-off Threshold Voltage 1.0 1.3 V IN Hysteresis 0.5 V IN Input current low Vin<0.5V 20 µA IN Input current high Vin=3.3V 100 µA 3.40 5.15 V V 50 mV 250 ppm/°C 1 µF 10 µA Voltage regulator Vout Voltage reference Peak output current Iout=10mA TD220 TD221 Iout change from 10mA to 25mA Vout=1V Temperature coefficent Iout=10mA Allowed capacitive load - Note 1 Iout=10mA Leakage current in UVLO state Vout=1V Ripple rejection - Note 1 Noise voltage f=100Hz f=10kHz 100Hz<f<100kHz Startup time (Vout>3.1V) Cout=1µF Settling time (1% final value) Cout=1µF RegLoad Load Regulation Ipeak dVout Cout Ileak Vrip Vnoise tstartup tsettle 3.20 4.85 3.30 5 100 mA 0.1 40 20 dB dB 1 mV 0.1 2 ms ms Two Point Regulator (TPR) VTPROn VTPROff VTPRH VF 4/8 Turn-on level 13.6 Turn-off level 12.4 Hysteresis =VTPROn-VTPROff Forward voltage D1 IF=200mA 0.23 V V 0.29 0.35 V 1.5 V Electrical Characteristics Symbol TD220/221 Parameter Test Condition Min Typ Max Unit Gate Output VOL VOH Isink Isrc VOL2 tgmin tpd Output low voltage Igate=10mA Output high voltage Igate=-10mA Output sink current Vgate=6V Tj=25°C -25°C < Tj < 125°C Vgate=3V Tj=25°C -25°C < Tj < 125°C Vcc=6V, Igate=1mA Output source current Output low voltage in UVLO state 1 Minimum output pulse width IN to GATE propagation delay 0.5 VCC-2.0 V V 300 mA mA 150 mA mA 120 60 Cgate=10pF 2 V 80 ns 200 ns Under Voltage Lockout (UVLO) UVLOH UVLOL Vhyst UVLO top threshold 15 UVLO bottom threshold UVLO Hysteresis 7.8 Vhyst=UVLOH-UVLOL 5 8.7 V V V 1) Not 100% tested. Guaranteed by design. 5/8 TD220/221 4 Timing Diagrams TIMING DIAGRAMS Fig. 1: Power up and power down UVH UVL Vccmin VCC Istby Icc VOL2 GATE 1V VOUT Tstartup Fig. 2: Two point regulator 13.6V 300mV VCC 12.4V VCAP VSUP GND APPLICATION DIAGRAM D? HV DC in L? HV DC ou C? C? Q? R? R? VCC C? Vreg 1uF VOUT C? D1 UVLO D2 22V 10uF VSUP C? 220nF D3 Q1 13V µC 6/8 IN DC supply VCAP GND TPR GATE Typical Performance Curves 5 TD220/221 TYPICAL PERFORMANCE CURVES Fig. 3: Supply Current vs Temperature Fig. 6: Standby Current vs Temperature 250 1.2 1.0 200 Istby (µA) Icc (mA) 0.8 0.6 0.4 150 100 50 0.2 0.0 0 -25 0 25 50 75 100 125 -25 0 25 Temp (°C) 50 75 100 125 Temp (°C) Fig. 4: Gate Drive Sink Current vs Temperature Fig. 7: Gate Drive Source Current vs Temp. 500 250 225 Isrc (mA) Isink (mA) 400 300 200 175 150 200 125 100 100 -25 0 25 50 75 Temp (°C) 100 125 -25 0 25 50 75 100 125 Temp (°C) Fig. 5: Vreg Output Voltage vs Temperature 1.03 normalized Vout 1.02 Iout=10mA 1.01 1.00 0.99 0.98 0.97 -25 0 25 50 75 100 125 Temp (°C) 7/8 TD220/221 6 Package Mechanical Data PACKAGE MECHANICAL DATA SO-8 MECHANICAL DATA DIM. mm. MIN. TYP inch MAX. MIN. TYP. MAX. A 1.35 1.75 0.053 0.069 A1 0.10 0.25 0.04 0.010 A2 1.10 1.65 0.043 0.065 B 0.33 0.51 0.013 0.020 C 0.19 0.25 0.007 0.010 D 4.80 5.00 0.189 0.197 E 3.80 4.00 0.150 e 1.27 0.157 0.050 H 5.80 6.20 0.228 0.244 h 0.25 0.50 0.010 0.020 L 0.40 1.27 0.016 0.050 k ddd 8˚ (max.) 0.1 0.04 0016023/C Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics © 2003 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom http://www.st.com 8/8