TD220/221
Gate Driver with VReg and Two Point Regulator
DATASHEET
s 60mA/120mA MIN GATE DRIVE s TWO POINT REGULATOR FO...
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 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.
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
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 ...