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PDF ( 数据手册 , 数据表 ) IR11682S

零件编号 IR11682S
描述 DUAL SMART RECTIFIER DRIVER IC
制造商 International Rectifier
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IR11682S 数据手册, 描述, 功能
Datasheet No – 97476
March 24, 2010
IR11682S
DUAL SMART RECTIFIER DRIVER IC
Features
Product Summary
Secondary-side high speed controller for
synchronous rectification in resonant half bridge
Topology
topologies
VD
200V proprietary IC technology
Max 400KHz switching frequency
VOUT
Anti-bounce logic and UVLO protection
4A peak turn off drive current
Io+ & I o- (typical)
Micropower start-up & ultra low quiescent current
Turn on Propagation Delay
10.7V gate drive clamp
80ns turn-off propagation delay
Turn off Propagation Delay
Wide Vcc operating range
Direct sensing for both Synchronous Rectifiers
Package Options
Cycle by Cycle MOT Check Circuit prevents multiple
false trigger GATE pulses
Minimal component count
Simple design
Lead-free
LLC Half-bridge
200V
10.7V Clamped
+1A & -4A
100ns (typical)
80ns (typical)
Typical Applications
LCD & PDP TV, Telecom SMPS, AC-DC adapters
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8-Lead SOIC
Typical Connection Diagram
Vin
C1 M1
Lr
12
C2 M2
SR1
Cdc
Rg1
1 GATE1 GATE2 8
2 VCC
GND 7
3 VS1
VS2 6
4 VD1
VD2 5
IR1I1R1618682
Rg2
Cout
LOAD
Rtn SR2
*Please note that this datasheet contains advance information that could change before the product is
released to production.
www.irf.com
© 2010 International Rectifier
datasheet pdf - http://www.DataSheet4U.net/







IR11682S pdf, 数据表
Functional Block Diagram
VD1
VS1
VCC
VTH3
VS2
VD2
VCC
VTH3
IR11682S
RESET
Min ON Time
(With Cycle by Cycle
MOT Check Circuit)
Min OFF Time
Min ON Time
(With Cycle by Cycle
MOT Check Circuit)
Min OFF Time
RESET
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VCC
UVLO
&
REGULATOR
Shoot-through
Protection
Logic
GATE1
GATE2
COM
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© 2010 International Rectifier
8
datasheet pdf - http://www.DataSheet4U.net/







IR11682S equivalent, schematic
IR11682S
10 9.0 V
8.5 V
1
0.1
0.01
5.0 V
7.5 V 10.0 V 12.5 V 15.0 V 17.5 V
Supply voltage
8.0 V
7.5 V
7.0 V
-50 °C
VCC ON
VCC UVLO
0 °C
50 °C
100 °C
Temperature
150 °C
Figure 7: Supply Current vs. Supply Voltage
Figure 8: Undervoltage Lockout vs. Temperature
2.7
2.6
2.6
2.5
2.5
2.4
2.4
2.3
-50 °C
IQCC
0 °C
50 °C
100 °C
Tem peratu re
150 °C
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14.0
13.9
13.8
13.7
13.6
13.5
13.4
13.3
13.2
13.1
-50 °C
Icc @400KHz, CLOAD=1nF
0 °C
50 °C
100 °C
Temperature
150 °C
Figure 9: Icc Quiescent Currrent vs. Temperature
Figure 10: Icc Supply Currrent @1nF Load vs.
Temperature
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16
© 2010 International Rectifier
datasheet pdf - http://www.DataSheet4U.net/










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