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零件编号 | IR11682S | ||
描述 | DUAL SMART RECTIFIER DRIVER IC | ||
制造商 | International Rectifier | ||
LOGO | |||
1 Page
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/
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
www.irf.com
© 2010 International Rectifier
8
datasheet pdf - http://www.DataSheet4U.net/
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
www.irf.com
16
© 2010 International Rectifier
datasheet pdf - http://www.DataSheet4U.net/
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页数 | 22 页 | ||
下载 | [ IR11682S.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
IR11682S | DUAL SMART RECTIFIER DRIVER IC | International Rectifier |
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