ST TD220, TD221 User Manual

P

TD220/221

Gate Driver with VReg and Two Point Regulator

DATASHEET

■ 60mA/120mA MIN GATE DRIVE

■ TWO POINT REGULATOR FOR

SWITCHING CHARGE PUMP SUPPLY

■ 3.3V OR 5V VOLTAGE REGULATOR

■ LOW STARTUP CURRENT

■ UVLO PROTECTIO N

■ 2kV ESD PROTECTION

DESCRIPTION

TD220 is a solution for micro-c ontroller 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

■ µC-BASED OFF-LINE APPLICATIONS

ORDER CODE

Part Number

TD220I -25, +125°C
TD221I -25, +125°C

T emperature

Range

Package

D

•

•

Package Reference

D

SO8

(Plastic

MicroPackage )

PIN CONNECTIONS (top view)

VCC

VOUT 7

NC

1

2

3

8

6

VCA

VSUP

GND

Note: D = Small Ou tlin e Pa ckag e ( SO) - al so av aila ble in T ape &

Reel (DT)

May 2003

Revision B 1/8

4

GATEIN

5

TD220/221 Block Diagram

P

1 BLOCK DIAGRAM

VCC

Vreg UVLO

22V

D1

D2

VOUT

D3

NC

IN

75k

13V

Q1

TPR

Pin Description

Name Pin Number T ype Function

VCC

VOUT

IN

GATE 5

GND 6
VSUP
VCAP

1
2
4

7
8

Power supply Supply capacitor and startup resistor
Analog output +3.3V (TD220) or +5V (TD221) voltage regulator
Digital input Input signal for gate drive
Analog output Gate drive output
Power supply Signal ground
Power supply Charge pump input
Power supply Capacitor for charge pump

VCA

VSUP

GND

GATE

2/8

Absolute Maximum Rating TD220/221

2 ABSOLUTE MAXIMUM RATING

Symbol Parameter Value Unit

VCC
Vout

Vin

Isup

Ipeak

Pd

Tstg

Tj
Rhja
Rhjc
ESD

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 (tp≤1µs, f≤150kHz, see waveform below)
Power dissipation
Storage temperatur e

Maximum Junction Temperature
Thermal Resistance Junction-A mbie nt
Thermal Resistance Junction-C ase
Electrostatic discharge (HBM)

-0.3 to selflimit V

-0.3 to VCC+0.3 V

-0.3 to 7 V

-200 to 200 mA

-1.0 to 1.0 A
500 mW

-55 to 150 °C

150 °C
150 °C/W

40 °C/W

2kV

OPERATING CONDITIONS

Symbol Parameter Value Unit

VCC
Isup

Ipeak

Tj

Supply Voltage
Continuous current in VSUP pin
Peak current in VSUP pin (tp≤1µs, f≤150kHz, see waveform below)
Junction Temperature

UVLO to 17 V

0 to 200 mA

-1.0 to 1.0 A

-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

Icc2

Istby

Vclamp

Inpu t

Vton

Vtoff

Vh

Iinpl

Iinph

Voltage regulator

Vout

RegLoad

Ipeak

dVout

Cout

Ileak

Vrip

Vnoise

tstartup

tsettle

T wo Point Regulator (TPR)

VTPROn
VTPR Of f

VTPRH

VF

Supply current no load at any pin, Vin<1V

Tamb=25°C

-25°C<Tj<125°C
1nF GATE load,

300kHz IN signal

Standby current UVLO active

Tamb=25°C

-25°C<Tj<125°C

Clamp voltage Icc<5mA

IN Turn-on Threshold Voltage
IN Turn-off Threshold Voltage
IN Hysteresis
IN Input current low Vin<0.5V
IN Input current high Vin=3.3V

Voltage reference Iout=10mA

TD220
TD221

Load Regulation Iout change from 10mA

to 25mA

Peak output current Vout=1V
Temperature coefficent Iout=10mA
Allowed capacitive load - Note 1 Iout=10mA
Leakage current in UVLO state Vout=1V
Ripple rejection - Note 1 f=100Hz

f=10kHz

Noise voltage 100Hz<f<100kHz
Startup time (Vout>3.1V) Cout=1µF
Settling time (1% final value) Cout=1µF

Turn-on level
Turn-off level
Hysteresis =VTPROn-VTPROff
Forward voltage D1 IF=200mA

0.7 1.0

456mA

160

20 22 24 V

1.8 2.1 V

1.0 1.3 V

0.5 V

3.20

4.85

100 mA

0.1 1

40
20

12.4 V

0.23 0.29 0.35 V

3.30
5

1mV

2ms

1.2

230

20

100

3.40

5.15
50 mV

250 ppm/°C

10

0.1 ms

13.6 V

1.5 V

mA
mA

µ
µ

µ
µ

V
V

µ
µ

dB
dB

A
A

A
A

F
A

4/8

Electrical Characteristics TD220/221

Symbol Parameter Test Condition Min Typ Max Unit

Gate Output

VOL

VOH

Isink

Isrc

VOL2

tgmin

tpd

Output low voltage Igate=10mA
Output high voltage Igate=-10mA
Output sink current Vgate=6V

Output source current Vgate=3V

Output low voltage in UVLO state Vcc=6V, Igate=1mA
Minimum output pulse width

IN to GATE propagation delay

Under Voltage Lockout (UVLO)

UVLOH

UVLOL

Vhyst

1) Not 100% tested. Guaranteed by design.

UVLO top threshold
UVLO bottom threshold
UVLO Hysteresis Vhyst=UVLO H-UV LOL

VCC-2.0 V

Tj=25°C

-25°C < Tj < 125°C 120

Tj=25°C

-25°C < Tj < 125°C 60

1

Cgate=10pF

7.8 8.7 V
5V

300 mA

150 mA

200 ns

0.5 V

mA

mA

2V

80 ns

15 V

5/8

TD220/221 Timing Diagrams

u

4 TIMING DIAGRAMS

Fig. 1: Power up and power down

UVH

UVL

VCC

Icc

GATE

VOUT

Istby

VOL2

1V

Tstartup

Vccmin

Fig. 2: Two point regulator

VCC

VSUP

APPLICATION DIAGRAM

HV DC in

R?

VCC

C?

1uF

VOUT

C?

220nF

13.6V

12.4V

Vreg UVLO

13V

22V

TPR

300mV

VCAP

GND

D?

L?

C?

Q?

R?

VCAP

D1

D2

VSUP

D3

Q1

GND

C?

10uF

HV DC o

C?

DC supply

6/8

µC

IN

GATE

Typical Performance Curves TD220/221

5 TY PICAL PERFORMANCE CURVES

Fig. 3: Supply Current vs Temperature

1.2

1.0

0.8

0.6

Icc (mA)

0.4

0.2

0.0

-25 0 25 50 75 10 0 125

Temp (°C)

Fig. 4: Gate Drive Sink Current vs Temperature

500

400

Fig. 6: Standby Current vs Temperature

250

200

150

100

Istby (µA)

50

0

-25 0 25 50 75 100 125

Temp (°C)

Fig. 7: Gate Drive Source Current vs Temp.

250

225

200

300

Isink (mA)

200

100

-25 0 25 50 75 100 125

Temp (°C )

Fig. 5: Vreg Output Voltage vs T emperature

1.03

1.03

1.02

1.02

1.01

1.01

1.00

1.00

0.99

0.99

normalized Vout

normalized Vout

0.98

0.98

0.97

0.97

-25 0 25 50 75 100 125

-25 0 25 50 75 100 125

Temp (°C)

Temp (°C)

Iout=10mA

Iout=10mA

175

Isrc (mA)

150

125

100

-25 0 25 50 75 100 125

Temp (°C)

7/8

TD220/221 Package Mechanical Data

6 PACKAGE MECHANICAL DATA

SO-8 MECHANICAL DATA

DIM.

A 1.35 1.75 0.053 0.069
A1 0.10 0.25 0.04 0.010
A2 1.10 1.65 0.043 0.065

B 0.33 0.51 0.013 0.020

C 0.19 0.25 0.007 0.010

D 4.80 5.00 0.189 0.197

E 3.80 4.00 0.150 0.157

e 1.27 0.050

H 5.80 6.20 0.228 0.244

h 0.25 0.50 0.010 0.020

L 0.40 1.27 0.016 0.050

k ˚ (max.)

ddd 0.1 0.04

MIN. TYP MAX. MIN. TYP. MAX.

mm. inch

8

0016023/C

Information furnished is bel ieved to be accurate and reliable. However, STMicroelec tronics 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 li cense is granted by implicat i on or otherwise under a ny patent or patent righ ts of STMicroelectronics. Specific ations
mentioned in this publica tion are subject to change without notice. Thi s 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.

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