STSR3 Ver la hoja de datos (PDF) - STMicroelectronics

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STSR3

SYNCHRONOUS RECTIFIERS SMART DRIVER FOR FLYBACK

STMicroelectronics 

STSR3

ELECTRICAL CHARACTERISTICS (VCC=5V, CK= 250kHz, duty-cycle=50%, VINHIBIT =-200mV, TJ =-40

to 125°C, unless otherwise specified.)

Symbol

Parameter

Test Conditions

SUPPLY INPUT AND UNDER VOLTAGE LOCK OUT

VCCON Start Threshold

VCCOFF Turn OFF Threshold After

Start

VZ Zener Voltage

CK=0V

IZ = 2mA

ICC Unloaded Supply Current OUTGATE= no load

CK=0V

OUTGATE= no load

GATE DRIVER OUTPUTS

VOL Output Low Voltage

IOUTGATE=-200mA

VOH Output High Voltage

IOUTGATE=200mA

IOUT

Output Source Peak

Current

Output Sink Peak Current

ROUT Output Series Source

Resistance

IOUTGATE=-200mA

Output Series Sink

Resistance

IOUTGATE=200mA

tR

OUTGATE Rise Time

CLOAD=5nF (Note 1)

tF

OUTGATE Fall Time

CLOAD=5nF (Note 1)

tP

Clock Propagation Delay to No Load

Turn ON of OUTGATE

TURN-OFF ANTICIPATION TIME

tANT

OUTGATE Turn-off

Anticipation Time

VANT = 0 to 1/3VCC; no load

VANT = 1/3VCC to 2/3VCC; no load

VANT = 2/3VCC to VCC; no load

ISETANT Leakage Current (Note 2)

INHIBIT OUTGATE ENABLE

VH Threshold Voltage

TJ = 25°C

IH

Leakage Current (Note 2) VINHIBIT = 200mV

VINHIBIT = -200mV

tON(GATE) Minimum OUTGATE On time VINHIBIT = +200mV

SYNCHRONIZATION INPUT

VCK Reference Voltage

TJ = 25°C

DOFF Duty Cycle Shut Down

TJ = 25°C

Duty Cycle Turn ON after TJ = 25°C

Shut Down

Min. Typ. Max. Unit

3.8

4

V

3.5

3.6

V

5.5 5.8

6

V

15

20

mA

3

5

0.10 0.16

V

4.70 4.85

V

2

A

3.5

0.75 1.5

Ω

0.5

0.8

40

ns

30

ns

50

ns

75

ns

150

225

-0.1

0.1

µA

-30 -25

mV

-400

nA

1

µA

250

ns

2.6

2.8

V

13

14

%

18

20

Note1: tR is measured between 10% and 90% of the final voltage; tF is measured between 90% and 10% on the initial voltage

Note2: Parameter guaranteed by design

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