R1280D002X Datasheet, PDF (21/26 Pages) RICOH electronics devices division – 2CH PWM DC/DC Controller

10.5
10
9.5
9
8.5
8
7.5
0
10.5
10
9.5
9
8.5
8
7.5
0
R1280D002B
L1=6.8µH
100
0.0005 0.001 0.0015
Time (sec)
R1280D002C
0.1
0.002
L1=22µH
100
0.0005 _T0im.0e0(1s) 0.0015
0.1
0.002
20) Load Transient Response (Inverting Side)
R1280D002A
-9
L2=6.8µH
-9.5
-10
-10.5
-50
-11
-0.1
-11.5
0.000 0.000 0.000 0.000 0.000 0.000 0.000
0
1
2 ^Time3(sec) 4
5
6
11.5
11
10.5
10
9.5
9
8.5
0
11.5
11
10.5
10
9.5
9
8.5
0
-9.5
R1280D002B
L1=6.8µH
100
0.01
0.02 0.03
Time (sec)
R1280D002C
0.04
0.1
0.05
L1=22µH
100
0.01
0.02 0.03
Time (sec)
R1280D002A
0.04
0.1
0.05
VIN=3.3V
L2=6.8µH
-10
-10.5
-11
-50
-11.5
-0.1
-12
0.000
0.005 0.010 0.015
Time (sec)
0.020
Rev. 1.10
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