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IR3831MPBF Datasheet(PDF) 8 Page - International Rectifier

Part # IR3831MPBF
Description  HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
PDF  31 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3831MPBF Datasheet(HTML) 8 Page - International Rectifier

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11/05/10
8
IR3831MPbF
TYPICAL OPERATING CHARACTERISTICS (-40oC - 125oC) F
s=500 kHz
Icc(Standby)
180.0
200.0
220.0
240.0
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
Vfb
696.0
696.5
697.0
697.5
698.0
698.5
699.0
699.5
700.0
700.5
701.0
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
ISS
21.0
21.5
22.0
22.5
23.0
23.5
24.0
- 40
- 20
0
20406080
100
120
Te m p [ o C ]
FREQUENCY
490.0
492.0
494.0
496.0
498.0
500.0
502.0
504.0
506.0
508.0
510.0
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
IOCSET(500k Hz)
48.6
48.8
49.0
49.2
49.4
49.6
49.8
50.0
50.2
50.4
50.6
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
V cc(UV LO) Star t
4.20
4.22
4.24
4.26
4.28
4.30
4.32
4.34
4.36
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
V cc(UV LO) Stop
3.94
3.95
3.96
3.97
3.98
3.99
4.00
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
Enable (UV LO) Star t
1.200
1.205
1.210
1.215
1.220
1.225
1.230
1.235
1.240
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
Enable (UV LO) Stop
1.000
1.005
1.010
1.015
1.020
1.025
1.030
-40
-20
0
20
40
60
80
100
120
Te m p[oC]
Icc(Dyn)
10.0
11.0
12.0
13.0
14.0
-40
-20
0
20
40
60
80
100
120
Te m p[oC]



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