R1221N15AA RICOH [RICOH electronics devices division], R1221N15AA Datasheet - Page 21
R1221N15AA
Manufacturer Part Number
R1221N15AA
Description
Step-down DC/DC Converter with Voltage Detector
Manufacturer
RICOH [RICOH electronics devices division]
Datasheet
1.R1221N15AA.pdf
(21 pages)
- Current page: 21 of 21
- Download datasheet (219Kb)
Rev. 1.11
-0.5
-1.5
-2.5
-3.5
-0.5
-1.5
-2.5
-3.5
3.5
2.5
1.5
0.5
-0.5
-1.5
-2.5
-3.5
3.5
2.5
1.5
0.5
-1
-2
-3
3.5
2.5
1.5
0.5
-1
-2
-3
3
2
1
0
-0.01
-1
-2
-3
3
2
1
0
-0.01
3
2
1
0
-0.01
R1221N33AB
R1221N33AA
R1221N33AB
0
0
0
Time (sec)
(V
(V
Time (sec)
Time (sec)
(V
IN
IN
IN
=10V,I
=10V,I
=10V,I
0.01
OUT
OUT
0.01
0.01
OUT
=100mA)
=100mA)
=0mA)
L=27uH
L=27uH
L=27uH
0.02
0.02
0.02
10
10
0
0
10
0
- 21 -
-0.5
-1.5
-2.5
-3.5
-0.5
-1.5
-2.5
-3.5
3.5
2.5
1.5
0.5
3.5
2.5
1.5
0.5
-0.5
-1.5
-2.5
-3.5
-1
-2
-3
3.5
2.5
1.5
0.5
-1
-2
-3
3
2
1
0
3
2
1
0
-0.01
-0.01
-1
-2
-3
3
2
1
0
-0.01
R1221N33AA
R1221N33AB
R1221N33AB
0
0
0
Time (sec)
(V
(V
Time (sec)
(V
IN
IN
Time (sec)
IN
=5V,I
=5V,I
=5V,I
OUT
OUT
0.01
OUT
0.01
0.01
12345
=100mA)
=100mA)
=0mA)
L=27uH
0.02
L=27uH
L=27uH
5
0
0.02
0.02
5
0
5
0
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