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TD221I

更新时间：2025-07-03 01:59:59
品牌：STMICROELECTRONICS
描述：Gate Driver with VReg and Two Point Regulator

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TD221I 概述

Gate Driver with VReg and Two Point Regulator 栅极驱动器与VREG和双点稳压器

TD221I 数据手册

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TD220/221  
Gate Driver with VReg and Two Point Regulator  
DATASHEET  
■ 60mA/120mA MIN GATE DRIVE  
Package Reference  
■ TWO POINT REGULATOR FOR  
SWITCHING CHARGE PUMP SUPPLY  
■ 3.3V OR 5V VOLTAGE REGULATOR  
■ LOW STARTUP CURRENT  
■ UVLO PROTECTION  
■ 2kV ESD PROTECTION  
D
SO8  
DESCRIPTION  
(Plastic  
MicroPackage)  
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.  
PIN CONNECTIONS (top view)  
APPLICATIONS  
■ µC-BASED OFF-LINE APPLICATIONS  
ORDER CODE  
VCC  
VOUT  
NC  
1
2
3
4
8
7
6
5
VCAP  
VSUP  
GND  
Package  
Temperature  
Part Number  
Range  
D
TD220I  
-25, +125°C  
-25, +125°C  
•
•
TD221I  
Note: D = Small Outline Package (SO) - also available in Tape &  
IN  
GATE  
Reel (DT)  
Revision B  
1/8  
May 2003  
TD220/221  
Block Diagram  
1 BLOCK DIAGRAM  
VCC  
VCAP  
VSUP  
GND  
D1  
Vreg  
UVLO  
TPR  
D2  
D3  
22V  
VOUT  
NC  
Q1  
13V  
IN  
GATE  
75k  
Pin Description  
Name  
Pin Number  
Type  
Function  
Power supply  
Analog output  
Digital input  
Supply capacitor and startup resistor  
1
2
4
5
6
7
8
VCC  
VOUT  
IN  
+3.3V (TD220) or +5V (TD221) voltage regulator  
Input signal for gate drive  
Gate drive output  
Analog output  
Power supply  
Power supply  
Power supply  
GATE  
GND  
VSUP  
VCAP  
Signal ground  
Charge pump input  
Capacitor for charge pump  
2/8  
Absolute Maximum Rating  
TD220/221  
Unit  
2 ABSOLUTE MAXIMUM RATING  
Symbol  
Parameter  
Value  
DC Supply Voltage (Icc<5mA)  
-0.3 to selflimit  
-0.3 to VCC+0.3  
-0.3 to 7  
-200 to 200  
-1.0 to 1.0  
500  
V
V
VCC  
Vout  
Vin  
Voltage on GATE and VCAP pins  
Voltage on IN and VOUT pins  
V
Continuous current in VSUP pin  
Peak current in VSUP pin (tp≤1µs, f≤150kHz, see waveform below)  
Power dissipation  
Isup  
Ipeak  
Pd  
mA  
A
mW  
°C  
Storage temperature  
-55 to 150  
150  
Tstg  
Tj  
Maximum Junction Temperature  
Thermal Resistance Junction-Ambient  
Thermal Resistance Junction-Case  
Electrostatic discharge (HBM)  
°C  
150  
°C/W  
°C/W  
kV  
Rhja  
Rhjc  
ESD  
40  
2
OPERATING CONDITIONS  
Symbol  
Parameter  
Value  
Unit  
Supply Voltage  
UVLO to 17  
0 to 200  
V
mA  
A
VCC  
Continuous current in VSUP pin  
Isup  
Ipeak  
Tj  
Peak current in VSUP pin (tp≤1µs, f≤150kHz, see waveform below)  
Junction Temperature  
-1.0 to 1.0  
-25 to 125  
°C  
Typical waveform of current in VSUP pin  
Ipeak  
10mA  
tp  
3/8  
TD220/221  
Electrical Characteristics  
3 ELECTRICAL CHARACTERISTICS  
Tamb = 25°C, VCC=13V unless otherwise specified  
Symbol  
Parameter  
Test Condition  
Min  
Typ  
Max  
Unit  
Supply  
Icc  
Supply current  
no load at any pin, Vin<1V  
Tamb=25°C  
-25°C<Tj<125°C  
0.7  
5
1.0  
1.2  
mA  
mA  
1nF GATE load,  
300kHz IN signal  
Icc2  
4
6
mA  
Standby current  
Clamp voltage  
UVLO active  
Tamb=25°C  
-25°C<Tj<125°C  
Istby  
160  
22  
µA  
µA  
230  
24  
Icc<5mA  
20  
V
Vclamp  
Input  
IN Turn-on Threshold Voltage  
IN Turn-off Threshold Voltage  
IN Hysteresis  
1.8  
1.0  
0.5  
2.1  
1.3  
V
V
Vton  
Vtoff  
Vh  
V
IN Input current low  
Vin<0.5V  
Vin=3.3V  
Iinpl  
Iinph  
20  
µA  
µA  
IN Input current high  
100  
Voltage regulator  
Voltage reference  
Iout=10mA  
TD220  
Vout  
3.20  
4.85  
3.30  
5
3.40  
5.15  
V
V
TD221  
Load Regulation  
Iout change from 10mA  
to 25mA  
RegLoad  
50  
mV  
Peak output current  
Vout=1V  
100  
0.1  
mA  
ppm/°C  
µF  
Ipeak  
dVout  
Cout  
Ileak  
Vrip  
Temperature coefficent  
Iout=10mA  
Iout=10mA  
Vout=1V  
250  
1
Allowed capacitive load - Note 1  
Leakage current in UVLO state  
Ripple rejection - Note 1  
10  
µA  
f=100Hz  
f=10kHz  
40  
20  
dB  
dB  
Noise voltage  
100Hz<f<100kHz  
Cout=1µF  
1
2
mV  
ms  
ms  
Vnoise  
tstartup  
tsettle  
Startup time (Vout>3.1V)  
Settling time (1% final value)  
0.1  
Cout=1µF  
Two Point Regulator (TPR)  
Turn-on level  
13.6  
V
V
V
V
VTPROn  
Turn-off level  
12.4  
0.23  
VTPROff  
Hysteresis  
=VTPROn-VTPROff  
IF=200mA  
0.29  
0.35  
1.5  
VTPRH  
Forward voltage D1  
VF  
4/8  
Electrical Characteristics  
TD220/221  
Symbol  
Parameter  
Test Condition  
Min  
Typ  
Max  
Unit  
Gate Output  
Output low voltage  
Igate=10mA  
0.5  
V
V
VOL  
VOH  
Isink  
Output high voltage  
Output sink current  
Igate=-10mA  
VCC-2.0  
120  
Vgate=6V  
Tj=25°C  
-25°C < Tj < 125°C  
300  
150  
mA  
mA  
Output source current  
Vgate=3V  
Tj=25°C  
-25°C < Tj < 125°C  
Isrc  
mA  
mA  
60  
Output low voltage in UVLO state  
Vcc=6V, Igate=1mA  
Cgate=10pF  
2
V
VOL2  
tgmin  
tpd  
1
80  
ns  
ns  
Minimum output pulse width  
IN to GATE propagation delay  
200  
Under Voltage Lockout (UVLO)  
UVLO top threshold  
15  
V
V
V
UVLOH  
UVLO bottom threshold  
7.8  
5
8.7  
UVLOL  
UVLO Hysteresis  
Vhyst=UVLOH-UVLOL  
Vhyst  
1) Not 100% tested. Guaranteed by design.  
5/8  
TD220/221  
Timing Diagrams  
4 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  
12.4V  
300mV  
VCC  
VCAP  
GND  
VSUP  
APPLICATION DIAGRAM  
D?  
HV DC in  
HV DC ou  
L?  
C?  
C?  
Q?  
R?  
R?  
DC supply  
VCC  
VCAP  
VSUP  
GND  
C?  
C?  
D1  
Vreg  
UVLO  
1uF  
10uF  
D2  
D3  
22V  
VOUT  
C?  
220nF  
Q1  
TPR  
13V  
µC  
IN  
GATE  
6/8  
Typical Performance Curves  
TD220/221  
5 TYPICAL PERFORMANCE CURVES  
Fig. 3: Supply Current vs Temperature  
Fig. 6: Standby Current vs Temperature  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
250  
200  
150  
100  
50  
0
-25  
0
25  
50  
75  
100  
125  
-25  
0
25  
50  
75  
100  
125  
Temp (°C)  
Temp (°C)  
Fig. 4: Gate Drive Sink Current vs Temperature  
Fig. 7: Gate Drive Source Current vs Temp.  
500  
250  
225  
200  
175  
150  
125  
100  
400  
300  
200  
100  
-25  
0
25  
50  
75  
100  
125  
-25  
0
25  
50  
75  
100  
125  
Temp (°C)  
Temp (°C)  
Fig. 5: Vreg Output Voltage vs Temperature  
1.03  
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  
Package Mechanical Data  
6 PACKAGE MECHANICAL DATA  
SO-8 MECHANICAL DATA  
mm.  
TYP  
inch  
DIM.  
MIN.  
MAX.  
MIN.  
TYP.  
MAX.  
A
A1  
A2  
B
1.35  
1.75  
0.053  
0.069  
0.10  
1.10  
0.33  
0.19  
4.80  
3.80  
0.25  
1.65  
0.51  
0.25  
5.00  
4.00  
0.04  
0.010  
0.065  
0.020  
0.010  
0.197  
0.157  
0.043  
0.013  
0.007  
0.189  
0.150  
C
D
E
e
1.27  
0.050  
H
5.80  
0.25  
0.40  
6.20  
0.50  
1.27  
0.228  
0.010  
0.016  
0.244  
0.020  
0.050  
h
L
k
˚ (max.)  
8
ddd  
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  

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