8) Supply Current vs. Temperature
R1223N332G
R1223N332H
140
130
120
110
100
90
100
90
80
70
60
50
VIN15V
VIN13.2V
VIN8V
VIN15V
VIN13.2V
VIN8V
80
70
60
-50
0
50
100
-50
0
50
100
(°C)
Temperature Topt
(°C)
Temperature Topt
9) Soft-start time vs. Temperature
R1223N252A
L=27uH
VIN=4.5V
L=27uH
VIN=3.7V
R1223N332B
10
8
16
14
12
10
8
6
4
6
4
2
2
0
0
-50
0
50
100
-50
0
50
100
(°C)
Temperature Topt
Temperature Topt
(°C)
10) Delay Time for Latch-type protection vs. Temperature
VIN=3.7V
VIN=4.5
R1223N332B
R1223N252A
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-50
0
50
100
-50
0
50
100
(°C)
Temperature Topt
Temperature Topt
(°C)
12345
Rev. 1.11
- 15 -
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
