TD221ID STMicroelectronics, TD221ID Datasheet

Page 1

Gate Driver with VReg and Two Point Regulator 60mA/120mA MIN GATE DRIVE TWO POINT REGULATOR FOR SWITCHING CHARGE PUMP SUPPLY 3. VOLTAGE REGULATOR LOW STARTUP CURRENT UVLO PROTECTION 2kV ESD PROTECTION DESCRIPTION TD220 is a solution for micro-controller ...

Page 2

TD220/221 1 BLOCK DIAGRAM VCC VOUT NC IN Pin Description Name Pin Number VCC 1 VOUT GATE 5 GND 6 VSUP 7 VCAP 8 2/8 Vreg UVLO 22V Q1 TPR 13V 75k Type Power supply Supply capacitor ...

Page 3

Absolute Maximum Rating 2 ABSOLUTE MAXIMUM RATING Symbol VCC DC Supply Voltage (Icc<5mA) Vout Voltage on GATE and VCAP pins Vin Voltage on IN and VOUT pins Isup Continuous current in VSUP pin Ipeak Peak current in VSUP pin (tp ...

Page 4

TD220/221 3 ELECTRICAL CHARACTERISTICS Tamb = 25°C, VCC=13V unless otherwise specified Symbol Parameter Supply Icc Supply current Icc2 Istby Standby current Vclamp Clamp voltage Input Vton IN Turn-on Threshold Voltage Vtoff IN Turn-off Threshold Voltage Vh IN Hysteresis Iinpl IN ...

Page 5

Electrical Characteristics Symbol Parameter Gate Output VOL Output low voltage VOH Output high voltage Isink Output sink current Isrc Output source current VOL2 Output low voltage in UVLO state tgmin Minimum output pulse width tpd IN to GATE propagation delay ...

Page 6

TD220/221 4 TIMING DIAGRAMS Fig. 1: Power up and power down VCC Icc GATE VOUT Tstartup Fig. 2: Two point regulator VCC VSUP APPLICATION DIAGRAM VCC C? 1uF VOUT C? 220nF µC IN 6/8 UVH UVL ...

Page 7

Typical Performance Curves 5 TYPICAL PERFORMANCE CURVES Fig. 3: Supply Current vs Temperature 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temp (°C) Fig. 4: Gate Drive Sink Current vs Temperature 500 400 300 200 100 -25 ...

Page 8

... 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 ...