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| TD220/221 Gate Driver with VReg and Two Point Regulator DATASHEET s s s s s s 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 D SO8 (Plastic MicroPackage) Package Reference 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 s C-BASED OFF-LINE APPLICATIONS ORDER CODE Part Number TD220I TD221I Temperature Range -25, +125C -25, +125C Package D * * VCC VOUT NC IN 1 2 3 4 8 7 6 5 VCAP VSUP GND GATE 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 Vreg 22V VCAP UVLO D1 D2 VOUT D3 VSUP Q1 NC IN 75k 13V TPR GND GATE Pin Description Name VCC VOUT IN GATE GND VSUP VCAP Pin Number 1 2 4 5 6 7 8 Type Power supply Analog output Digital input Analog output Power supply Power supply Power supply Function Supply capacitor and startup resistor +3.3V (TD220) or +5V (TD221) voltage regulator Input signal for gate drive Gate drive output Signal ground Charge pump input Capacitor for charge pump 2/8 Absolute Maximum Rating 2 ABSOLUTE MAXIMUM RATING Parameter DC Supply Voltage (Icc<5mA) Voltage on GATE and VCAP pins Voltage on IN and VOUT pins Continuous current in VSUP pin Peak current in VSUP pin (tp1s, f150kHz, see waveform below) Power dissipation Storage temperature Maximum Junction Temperature Thermal Resistance Junction-Ambient Thermal Resistance Junction-Case Electrostatic discharge (HBM) TD220/221 Symbol VCC Vout Vin Isup Ipeak Pd Tstg Tj Rhja Rhjc ESD Value -0.3 to selflimit -0.3 to VCC+0.3 -0.3 to 7 -200 to 200 -1.0 to 1.0 500 -55 to 150 150 150 40 2 Unit V V V mA A mW C C C/W C/W kV OPERATING CONDITIONS Symbol VCC Isup Ipeak Tj Supply Voltage Continuous current in VSUP pin Peak current in VSUP pin (tp1s, f150kHz, see waveform below) Junction Temperature Parameter Value UVLO to 17 0 to 200 -1.0 to 1.0 -25 to 125 Unit V mA A C Typical waveform of current in VSUP pin Ipeak 10mA tp 3/8 TD220/221 3 ELECTRICAL CHARACTERISTICS Symbol Supply Electrical Characteristics Tamb = 25C, VCC=13V unless otherwise specified Parameter Test Condition Min Typ Max Unit Icc Icc2 Istby Vclamp Input Vton Vtoff Vh Iinpl Iinph Vout Supply current Standby current Clamp voltage no load at any pin, Vin<1V Tamb=25C -25C 1.0 1.2 6 mA mA mA A A V 230 20 22 24 IN Turn-on Threshold Voltage IN Turn-off Threshold Voltage IN Hysteresis IN Input current low IN Input current high Vin<0.5V Vin=3.3V 1.8 1.0 0.5 2.1 1.3 20 100 V V V A A Voltage regulator Voltage reference Iout=10mA TD220 TD221 Iout change from 10mA to 25mA Vout=1V Iout=10mA Iout=10mA Vout=1V f=100Hz f=10kHz 100Hz Peak output current Temperature coefficent Allowed capacitive load - Note 1 Leakage current in UVLO state Ripple rejection - Note 1 Noise voltage Startup time (Vout>3.1V) Settling time (1% final value) Two Point Regulator (TPR) Turn-on level Turn-off level Hysteresis Forward voltage D1 =VTPROn-VTPROff IF=200mA 12.4 0.23 0.29 0.35 1.5 13.6 V V V V 4/8 Electrical Characteristics TD220/221 Symbol Gate Output VOL VOH Isink Isrc VOL2 tgmin tpd UVLOH UVLOL Vhyst Parameter Test Condition Min Typ Max Unit Output low voltage Output high voltage Output sink current Igate=10mA Igate=-10mA Vgate=6V Tj=25C -25C < Tj < 125C Vgate=3V Tj=25C -25C < Tj < 125C Vcc=6V, Igate=1mA Cgate=10pF 200 VCC-2.0 300 120 150 60 0.5 V V mA mA mA mA Output source current Output low voltage in UVLO state Minimum output pulse width IN to GATE propagation delay 1 2 80 V ns ns Under Voltage Lockout (UVLO) UVLO top threshold UVLO bottom threshold UVLO Hysteresis Vhyst=UVLOH-UVLOL 7.8 5 15 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 VCC Vccmin Istby Icc VOL2 GATE 1V VOUT Tstartup Fig. 2: Two point regulator 13.6V 300mV VCC 12.4V VCAP VSUP GND APPLICATION DIAGRAM HV DC in D? L? HV DC ou C? C? R? Q? R? VCC C? VCAP Vreg UVLO 22V D1 D2 C? DC supply 10uF 1uF VOUT C? VSUP GND GATE 220nF Q1 D3 13V TPR C IN 6/8 Typical Performance Curves 5 TYPICAL PERFORMANCE CURVES TD220/221 Fig. 3: Supply Current vs Temperature 1.2 1.0 Fig. 6: Standby Current vs Temperature 250 200 Istby (A) 150 100 50 0 0.8 Icc (mA) 0.6 0.4 0.2 0.0 -25 0 25 50 Temp (C) 75 100 125 -25 0 25 50 Temp (C) 75 100 125 Fig. 4: Gate Drive Sink Current vs Temperature 500 Fig. 7: Gate Drive Source Current vs Temp. 250 225 400 Isink (mA) 300 Isrc (mA) -25 0 25 50 75 Temp (C) 100 125 200 175 150 200 125 100 100 -25 0 25 50 Temp (C) 75 100 125 Fig. 5: Vreg Output Voltage vs Temperature 1.03 1.02 normalized Vout Iout=10mA 1.01 1.00 0.99 0.98 0.97 -25 0 25 50 Temp (C) 75 100 125 7/8 TD220/221 6 PACKAGE MECHANICAL DATA SO-8 MECHANICAL DATA DIM. A A1 A2 B C D E e H h L k ddd 0.1 5.80 0.25 0.40 mm. MIN. 1.35 0.10 1.10 0.33 0.19 4.80 3.80 1.27 6.20 0.50 1.27 8 (max.) 0.228 0.010 0.016 TYP MAX. 1.75 0.25 1.65 0.51 0.25 5.00 4.00 MIN. 0.053 0.04 0.043 0.013 0.007 0.189 0.150 Package Mechanical Data inch TYP. MAX. 0.069 0.010 0.065 0.020 0.010 0.197 0.157 0.050 0.244 0.020 0.050 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 (c) 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 |
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