BD33C0AWFP Datasheet, PDF (4/13 Pages) Rohm – Standard Fixed Output LDO Regulators with Shutdown Switch

BD33C0AWFP, BD50C0AWFP
Technical Note
●Electrical characteristic curves (Reference data)
■BD50C0AWFP (Unless otherwise specified, Ta=25℃, Vcc=10V,VCTL=5V,Io=0mA)
1.0
18
0.8
15
12
0.6
9
0.4
6
0.2
3
0.0
0 2 4 6 8 10 12 14 16 18 20 22 24
SUPPLY VOLTAGE： Vcc [V]
Fig.13 Circuit Current
0
0 2 4 6 8 10 12 14 16 18 20 22 24
SUPPLY VOLTAGE： Vcc [V]
Fig.14 Shut Down Current
6
5
4
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20 22 24
SUPPLY VOLTAGE: Vcc [V]
Fig.15 Line Regulation
(Io=0mA)
6
5
4
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20 22 24
SUPPLY VOLTAGE: Vcc [V]
Fig.16 Line Regulation
(Io=500mA)
80
70
60
50
40
30
20
10
0
10
100
1000
10000 100000 1000000
FREQUENCY： f [Hz]
Fig.19 Ripple Rejection
(lo=100mA)
6
5
4
3
2
1
0
0
400 800 1200 1600 2000
OUTPUT CURRENT： IO[mA]
Fig.17 Load Regulation
6
5
4
3
2
1
0
-40 -20 0
20 40 60 80 100
AMBIENT TEMPERATURE： Ta[℃]
Fig.20 Output Voltage
Temperature Characteristics
600
500
400
300
200
100
0
0
200 400 600 800 1000
OUTPUT CURRENT： IO [mA]
Fig.18 Dropout Voltage
(Vcc=Vo×0.95V)
(lo=0mA→1000mA)
1.0
0.8
0.6
0.4
0.2
0.0
0
200 400 600 800
OUTPUT CURRENT： Io [mA]
1000
Fig.21 Circuit Current
(lo=0mA→1000 mA)
100
90
80
70
60
50
40
30
20
10
0
0 2 4 6 8 10 12 14 16 18 20 22 24
CONTROL VOLTAGE： VCTL[V]
Fig.22 CTL Voltage vs CTL Current
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6
5
4
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20 22 24
CONTROL VOLTAGE： VCTL[V]
Fig.23 CTL Voltage vs Output Voltage
4/12
6
5
4
3
2
1
0
130 140 150 160 170 180 190
AMBIENT TEMPERATURE： Ta [℃]
Fig.24 Thermal Shutdown
Circuit Characteristics
2011.07 - Rev.A