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STMicroelectronics Electronic Components Datasheet

TD220 Datasheet

Gate Driver with VReg and Two Point Regulator

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TD220/221
Gate Driver with VReg and Two Point Regulator
DATASHEET
s 60mA/120mA MIN GATE DRIVE
s TWO POINT REGULATOR FOR
SWITCHING CHARGE PUMP SUPPLY
s 3.3V OR 5V VOLTAGE REGULATOR
s LOW STARTUP CURRENT
s UVLO PROTECTION
s 2kV ESD PROTECTION
Package Reference
DESCRIPTION
TD220 is a solution for micro-controller based off-
line 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.
APPLICATIONS
s µC-BASED OFF-LINE APPLICATIONS
D
SO8
(Plastic
MicroPackage)
PIN CONNECTIONS (top view)
ORDER CODE
Part Number
Temperature
Range
TD220I
TD221I
-25, +125°C
-25, +125°C
Package
D
VCC 1
VOUT 2
NC 3
8 VCAP
7 VSUP
6 GND
Note: D = Small Outline Package (SO) - also available in Tape &
Reel (DT)
IN 4
5 GATE
May 2003
Revision B
1/8


STMicroelectronics Electronic Components Datasheet

TD220 Datasheet

Gate Driver with VReg and Two Point Regulator

No Preview Available !

TD220/221
1 BLOCK DIAGRAM
Block Diagram
VCC
VOUT
NC
IN
Vreg
75k
UVLO
22V
D1
Q1
13V TPR
VCAP
D2
VSUP
D3
GND
GATE
Pin Description
Name
Pin Number
Type
VCC
VOUT
IN
GATE
GND
VSUP
VCAP
1 Power supply
2 Analog output
4 Digital input
5 Analog output
6 Power supply
7 Power supply
8 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


Part Number TD220
Description Gate Driver with VReg and Two Point Regulator
Maker ST Microelectronics
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