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STSR3 数据表(PDF) 4 Page - STMicroelectronics

部件名 STSR3
功能描述  SYNCHRONOUS RECTIFIERS SMART DRIVER FOR FLYBACK
PDF  12 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STSR3 数据表(HTML) 4 Page - STMicroelectronics

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STSR3
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ELECTRICAL CHARACTERISTICS (VCC=5V, CK= 250kHz, duty-cycle=50%, VINHIBIT =-200mV, TJ =-40
to 125°C, unless otherwise specified.)
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
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
SUPPLY INPUT AND UNDER VOLTAGE LOCK OUT
VCCON
Start Threshold
3.8
4
V
VCCOFF
Turn OFF Threshold After
Start
3.5
3.6
V
VZ
Zener Voltage
CK=0V
IZ = 2mA
5.5
5.8
6
V
ICC
Unloaded Supply Current
OUTGATE= no load
15
20
mA
CK=0V
OUTGATE= no load
3
5
GATE DRIVER OUTPUTS
VOL
Output Low Voltage
IOUTGATE=-200mA
0.10
0.16
V
VOH
Output High Voltage
IOUTGATE=200mA
4.70
4.85
V
IOUT
Output Source Peak
Current
2A
Output Sink Peak Current
3.5
ROUT
Output Series Source
Resistance
IOUTGATE=-200mA
0.75
1.5
Ω
Output Series Sink
Resistance
IOUTGATE=200mA
0.5
0.8
tR
OUTGATE Rise Time
CLOAD=5nF (Note 1)
40
ns
tF
OUTGATE Fall Time
CLOAD=5nF (Note 1)
30
ns
tP
Clock Propagation Delay to
Turn ON of OUTGATE
No Load
50
ns
TURN-OFF ANTICIPATION TIME
tANT
OUTGATE Turn-off
Anticipation Time
VANT = 0 to 1/3VCC; no load
75
ns
VANT = 1/3VCC to 2/3VCC; no load
150
VANT = 2/3VCC to VCC; no load
225
ISETANT
Leakage Current (Note 2)
-0.1
0.1
µA
INHIBIT OUTGATE ENABLE
VH
Threshold Voltage
TJ = 25°C
-30
-25
mV
IH
Leakage Current (Note 2)
VINHIBIT = 200mV
-400
nA
VINHIBIT = -200mV
1
µA
tON(GATE) Minimum OUTGATE On time VINHIBIT = +200mV
250
ns
SYNCHRONIZATION INPUT
VCK
Reference Voltage
TJ = 25°C
2.6
2.8
V
DOFF
Duty Cycle Shut Down
TJ = 25°C
13
14
%
Duty Cycle Turn ON after
Shut Down
TJ = 25°C
18
20



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