Technical Note
4/12
www.rohm.com
2011.10 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
BD33C0AWFP, BD50C0AWFP
●Electrical characteristic curves (Reference data)
■BD50C0AWFP (Unless otherwise specified, Ta=25℃, Vcc=10V,VCTL=5V,Io=0mA)
0
1
2
3
4
5
6
130 140 150 160 170 180 190
AMBIENT TEMPERATURE
：
Ta [
℃
]
OUTPUT VOLTAGE
：
Vo [V]
0
100
200
300
400
500
600
0 200 400 600 800 1000
OUTPUT CURRENT
：
IO [mA]
DROPOUT VOLTAGE
：
△
Vd [mV]
0
1
2
3
4
5
6
024681012141618202224
SUPPLY VOLTAGE: Vcc [V]
OUTPUT VOLTAGE : Vo [V]
0
10
20
30
40
50
60
70
80
90
100
0 2 4 6 8 10 12 14 16 18 20 22 24
CONTROL VOLTAGE
：
VCTL[V]
CIRCUIT CURRENT: I CTL[µA]
0.0
0.2
0.4
0.6
0.8
1.0
0 200 400 600 800 1000
OUTPUT CURRENT
：
Io [mA]
CIRCUIT CURRENT
：
Ib+IFEEDBACK_R
[mA]
0
1
2
3
4
5
6
-40-200 20406080100
AMBIENT TEMPERATURE
：
Ta[
℃
]
OUTPUT VOLTAGE
：
Vo [V]
0
1
2
3
4
5
6
024681012141618202224
CONTROL VOLTAGE
：
VCTL[V]
OUTPUT VOLTAGE
：
Vo [V]
0
1
2
3
4
5
6
0 400 800 1200 1600 2000
OUTPUT CURRENT
：
IO[mA]
OUTPUT VOLTAGE
：
Vo [V]
0
1
2
3
4
5
6
024681012141618202224
SUPPLY VOLTAGE: Vcc [V]
OUTPUT VOLTAGE : Vo [V]
0.0
0.2
0.4
0.6
0.8
1.0
024681012141618202224
SUPPLY VOLTAGE
：
Vcc [V]
CIRCUIT CURRENT: Ib+I
FEEDBACK
_R [mA]
0
3
6
9
12
15
18
024681012141618202224
SUPPLY VOLTAGE
：
Vcc [V]
STANBY CURRENT
：
Isd [µA]
Fig.19 Ripple Rejection
(lo=100mA)
Fig.24 Thermal Shutdown
Circuit Characteristics
Fig.13
Circuit Current
Fig.14 Shut Down Current
Fig.15 Line Regulation
(Io=0mA)
Fig.16 Line Regulation
(Io=500mA)
Fig.17 Load Regulation
Fig.18 Dropout Voltage
(Vcc=Vo×0.95V)
(lo=0mA→1000mA)
Fig.20 Output Voltage
Temperature Characteristics
Fig.22 CTL Voltage vs CTL Current
Fig.23 CTL Voltage vs Output Voltage
Fig.21 Circuit Current
(lo=0mA→1000 mA)
0
10
20
30
40
50
60
70
80
10 100 1000 10000 100000 1000000
FREQUENCY
：
f
[Hz]
RIPPLE REJECTION
：
R.R.
[dB]
