R1224N122G RICOH [RICOH electronics devices division], R1224N122G Datasheet - Page 39

• Manufacturer Part Number: R1224N122G
• Description: PWM/VFM step-down DC/DC Converter
• Manufacturer: RICOH [RICOH electronics devices division]

12) UVLO Voltage vs. Temperature
3.50
3.40
3.30
3.20
3.10
3.00
2.90
2.80
2.70
2.60
2.50
3.50
3.40
3.30
3.20
3.10
3.00
2.90
2.80
2.70
2.60
2.50
-2E-04 -1E-04
-2E-04 -1E-04
R1224N332M
R1224N332M
2.20
2.15
2.10
2.05
2.00
1.95
1.90
0
0
-40
Time(sec)
Time(sec)
0.0001 0.0002 0.0003 0.0004
1E-04 2E-04 3E-04 4E-04
L=27µH V
L=27µH V
-15
IN
IN
=4.8V
=10V
2000
1800
1600
1400
1200
1000
800
600
400
200
0
2000
1800
1600
1400
1200
1000
800
600
400
200
0
R1224N332E
Temperature Topt(˚C)
10
3.50
3.45
3.40
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
3.50
3.45
3.40
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
-0.04 -0.02
-0.04 -0.02
35
R1224N332M
R1224N332M
0
0
Time(sec)
Time(sec)
60
0.02
0.02
L=27µH V
L=27µH V
0.04
0.04
0.06
0.06
85
IN
IN
=4.8V
=10V
0.08
0.08
R1224N
2000
1800
1600
1400
1200
1000
800
600
400
200
0
2000
1800
1600
1400
1200
1000
800
600
400
200
0
39