R1221N15AA RICOH [RICOH electronics devices division], R1221N15AA Datasheet - Page 19
![no-image](/images/no-image-200.jpg)
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: 19 of 21
- Download datasheet (219Kb)
16) VD
17) Load Transient Response
Rev. 1.11
3.4
3.3
3.2
3.1
2.9
2.8
2.7
2.6
2.5
2.4
3.4
3.3
3.2
3.1
2.9
2.8
2.7
2.6
2.5
2.4
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
3
3
OUT
0
0
-50
“L” Output Current vs. Temperature
R1221N33AD
R1221N33AA
R1221N33AB
Time (sec)
Temperature Topt
Time (sec)
0.0005
0
0.0005
50
V
L=27uH
V
L=27uH
(°C)
IN
IN
0.001
=5V
=5V
0.001
500
0.1
500
0.1
100
- 19 -
3.6
3.5
3.4
3.3
3.2
3.1
2.9
2.8
2.7
2.6
3.6
3.5
3.4
3.3
3.2
3.1
2.9
2.8
2.7
2.6
3
3
0
0
R1221N33AA
R1221N33AB
Time (sec)
Time (sec)
0.05
0.05
12345
V
L=27uH
V
L=27uH
IN
IN
=5V
0.1
=5V
0.1
500
500
0.1
0.1
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