R1221N15AA RICOH [RICOH electronics devices division], R1221N15AA Datasheet - Page 16

• Manufacturer Part Number: R1221N15AA
• Description: Step-down DC/DC Converter with Voltage Detector
• Manufacturer: RICOH [RICOH electronics devices division]

8) Oscillator Frequency vs. Temperature
9) Supply Current vs. Temperature
Rev. 1.11
600
550
500
450
400
3.06
3.04
3.02
3.00
2.98
2.96
2.94
135
130
125
120
115
110
105
100
95
90
12345
-50
-50
-50
R1221N33AB(VD=3.0V)
R1221N33AB
R1221N33AH
Temperature Topt
Temperature Topt
0
Temperature Topt
0
0
50
50
50
L=27uH
V
(°C)
IN
VIN15V
VIN13.2V
VIN8V
(°C)
(°C)
=4.5V
V
IN
=6V
100
100
100
- 16 -
100
360
340
320
300
280
260
240
90
80
70
60
50
-50
-50
R1221N25XA
R1221N33AG
Temperature Topt
Temperature Topt
0
0
50
50
VIN15V
VIN13.2V
VIN8V
L=27uH
V
(°C)
(°C)
IN
=3.7V
100
100