ir3821 International Rectifier Corp., ir3821 Datasheet - Page 7

• Manufacturer Part Number: ir3821
• Description: Wide-input Voltage, Synchronous Buck Regulator
• Manufacturer: International Rectifier Corp.

11/04/08
TYPICAL OPERATING CHARACTERISTICS (-40
13.0
12.0
11.0
10.0
22.0
21.0
20.0
19.0
18.0
17.0
16.0
15.0
14.0
13.0
605.0
600.0
595.0
590.0
585.0
9.0
8.0
7.0
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
-40
-40
-40
-40
-20
-20
-20
-20
0
0
0
0
Transconductance
20
20
20
Icc(dynamic)
20
Icc(static)
Vfb
Temp[oC]
Temp[oC]
40
40
Temp[oC]
Temp[oC]
40
40
60
60
60
60
80
80
80
80
100
100
100
100
120
120
120
120
27.0
25.0
23.0
21.0
19.0
17.0
15.0
7.0
6.0
5.0
4.0
3.0
2.0
26.0
25.0
24.0
23.0
22.0
21.0
20.0
19.0
18.0
17.0
16.0
15.0
22.0
21.0
20.0
19.0
18.0
17.0
16.0
15.0
14.0
13.0
-40
-40
-40
-40
-20
-20
-20
-20
o
0
0
0
0
C - 125
20
20
20
20
IR3821MPbF
Ic(dynamic)
Ic(static)
Temp[oC]
Iocset
Temp[oC]
40
Iss
40
Temp[oC]
Temp[oC]
40
40
o
C)
60
60
60
60
80
PD-60331
80
80
80
100
100
100
100
120
120
120
120
7