R1152N Datasheet, PDF (14/21 Pages) RICOH electronics devices division – High Input Voltage Tolerant Boost Voltage Regulator

R1152N
b. External Tr.: 2SA1645
R1152N025B
IOUT=100mA
VOUT=10µF
2.9
5.5
2.8
4.5
Input Voltage
2.7
3.5
2.6
2.5
2.5
1.5
2.4
Output Voltage
0.5
2.3
0
-0.5
50 100 150 200 250 300
Time (µs)
R1152N050B
IOUT=100mA
VOUT=10µF
5.4
8.0
5.3
7.0
Input Voltage
5.2
6.0
5.1
5.0
5.0
4.0
4.9
Output Voltage
3.0
4.8
0
2.0
50 100 150 200 250 300
Time (µs)
8) Load Transient Response (Topt=25°C)
a: External Tr.: 2SB1642
R1152N025B
2.75
CIN=0.1µF
COUT=10µF
120
2.70
100
2.65
Output Current
80
2.60
60
2.55
40
2.50
20
2.45
Output Voltage
0
2.40
0
200 400 600 800 1000
Time (µs)
14
3.7
3.6
3.5
3.4
3.3
3.2
3.1
0
12.4
12.3
12.2
12.1
12.0
11.9
11.8
0
R1152N033B
IOUT=100mA
VOUT=10µF
6.3
5.3
Input Voltage
4.3
3.3
2.3
Output Voltage
1.3
0.3
50 100 150 200 250 300
Time (µs)
R1152N120B
IOUT=100mA
VOUT=10µF
15.0
14.0
Input Voltage
13.0
12.0
11.0
Output Voltage
10.0
9.0
50 100 150 200 250 300
Time (µs)
3.55
3.50
3.45
3.40
3.35
3.30
3.25
3.20
0
R1152N033B
CIN=0.1µF
COUT=10µF
120
100
Output Current
80
60
40
20
Output Voltage
0
200 400 600 800 1000
Time (µs)