R1232D Datasheet, PDF (14/24 Pages) RICOH electronics devices division – PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER

R1232D
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current (CIN = 10µF, COUT = 10µF)
R1232D121A
1.300
VIN=5.0V
3.400
R1232D331A
VIN=5.0V
1.250
3.350
1.200
3.300
1.150
3.250
1.100
1
1.300
10
100
Output Current IOUT(mA)
1000
R1232D121B
VIN=5.0V
3.200
1
3.400
10
100
Output Current IOUT(mA)
1000
R1232D331B
VIN=5.0V
1.250
3.350
1.200
3.300
1.150
3.250
1.100
1
10
100
Output Current IOUT(mA)
1000
3.200
1
2) Efficiency vs. Output Current (CIN = 10µF, COUT = 10µF)
R1232D121A
VIN=3.3V, 5.0V
100
100
90
90
80
80
70
70
60
60
50
50
40
40
30
30
20
(VIN=5.0V)
20
10
(VIN=3.3V)
10
0
0
1
10
100
1000
1
Output Current IOUT(mA)
R1232D121B
10
100
Output Current IOUT(mA)
1000
R1232D331A
VIN=5.0V
10
100
Output Current IOUT(mA)
1000
R1232D331B
14