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BD33C0AWFP-E2

P1-P3P4-P6P7-P9P10-P12P13-P15
1/12
www.rohm.com
2011.10 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
Standard LDO Regulators
Standard Fixed Output
LDO Regulators with Shutdown Switch
BD33C0AWFP, BD50C0AWFP
●Description
The BDXXC0AWFP Series is low-saturation regulator.
This IC has a built-in over-current protection circuit that prevents the destruction of the IC due to output short circuits and a
thermal shutdown circuit that protects the IC from thermal damage due to overloading.
●Features
1) Output Current: 1A
2) Output Voltage: 3.3V／5.0V
2) High Output Voltage Precision : ±1%
3) Low saturation with PDMOS output
4) Built-in over-current protection circuit that prevents the destruction of the IC due to output short circuits
5) Built-in thermal shutdown circuit for protecting the IC from thermal damage due to overloading
6) Low ESR Capacitor
7) TO252-5 packaging
●Applications
Audiovisual equipments, FPDs, televisions, personal computers or any other consumer device
●Absolute maximum ratings (Ta=25℃)
Parameter Symbol Ratings Unit
Supply Voltage
*1
Vcc -0.3 ~ +35.0 V
Output Control Voltage V
CTL
-0.3 ~ +35.0 V
Power Dissipation (TO252-5)
*2
Pd 1.3 W
Operating Temperature Range Topr -40 ~ +105 ℃
Storage Temperature Range Tstg -55 ~ +150 ℃
Maximum Junction Temperature Tjmax +150 ℃
*1 Not to exceed Pd.
*2 TO252-5:Reduced by 10.4mW / ℃ over Ta = 25℃, when mounted on glass epoxy board: 70mm×70mm×1.6mm.
NOTE : This product is not designed for protection against radioactive rays.
●Operating conditions (Ta=25℃)
Parameter Symbol Min. Max. Unit
Supply Voltage Vcc Vo+1V 26.5 V
Output Control Voltage V
CTL
0 26.5 V
Output Current Io 0 1.0 A
No.11022EBT01
Technical Note
2/12
www.rohm.com
2011.10 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
BD33C0AWFP, BD50C0AWFP
●Electrical characteristics
■BD33C0AWFP(Unless otherwise specified, Ta=25℃, Vcc=8.3V,V
CTL=5V,Io=0mA)
Parameter Symbol Min. Typ. Max. Unit Conditions
Shut Down Current Isd － 0 10 µA VCTL=0V
Bias Current Ib － 0.5 1.0 mA
Output Voltage Vo 3.267 3.300 3.333 V Io=200mA
Dropout Voltage ΔVd － 0.4 0.7 V Vcc=Vo×0.95, Io=500mA
Ripple Rejection R.R. 45 55 － dB
f=120Hz,ein
*1
=1Vrms,
Io=100mA
Line Regulation Reg.I － 20 60 mV Vo+1V→25V
Load Regulation Reg.L － Vo×0.010 Vo×0.020 V Io=5mA→1A
Temperature Coefficient of
Output Voltage
Tcvo.1 － +0.04 －
%/℃
Io=5mA,Tj=-40～-20℃
Tcvo.2 － ±0.005 －
%/℃
Io=5mA,Tj=-20～+105℃
CTL ON Mode Voltage VthH 2.0 － － V ACTIVE MODE
CTL OFF Mode Voltage VthL － － 0.8 V OFF MODE
CTL Bias Current ICTL － 25 50 µA
*1 ein : Input Voltage Ripple
■BD50C0AWFP(Unless otherwise specified, Ta=25℃, Vcc=10V,V
CTL=5V,Io=0mA)
Parameter Symbol Min. Typ. Max. Unit Conditions
Shut Down Current Isd － 0 10 µA VCTL=0V
Bias Current Ib － 0.5 1.0 mA
Output Voltage Vo 4.950 5.000 5.050 V Io=200mA
Dropout Voltage ΔVd － 0.3 0.5 V Vcc=Vo×0.95, Io=500mA
Ripple Rejection R.R. 45 55 － dB
f=120Hz,ein
*1
=1Vrms,
Io=100mA
Line Regulation Reg.I － 20 60 mV Vo+1V→25V
Load Regulation Reg.L － Vo×0.010 Vo×0.020 V Io=5mA→1A
Temperature Coefficient of
Output Voltage
Tcvo.1 － +0.04 －
%/℃
Io=5mA,Tj=-40～-20℃
Tcvo.2 － ±0.005 －
%/℃
Io=5mA,Tj=-20～+105℃
CTL ON Mode Voltage VthH 2.0 － － V ACTIVE MODE
CTL OFF Mode Voltage VthL － － 0.8 V OFF MODE
CTL Bias Current ICTL － 25 50 µA
*1 ein : Input Voltage Ripple
Technical Note
3/12
www.rohm.com
2011.10 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
BD33C0AWFP, BD50C0AWFP
●Electrical characteristic curves (Reference data)
■BD33C0AWFP(Unless otherwise specified, Ta=25℃, Vcc=8.3V,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
700
800
0 200 400 600 800 1000
OUTPUT CURRENT
：
IO [mA]
DROPOUT VOLTAGE
： Δ
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
024681012141618202224
CONTROL VOLTAGE
：
V
CTL
[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+I
FEEDBACK
_R [mA]
0
1
2
3
4
5
6
0 2 4 6 8 1012141618202224
CONTROL VOLTAGE
：
V
CTL[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
1
2
3
4
5
6
-40 -20 0 20 40 60 80 100
AMBIENT TEMPERATURE
：
Ta[
℃
]
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]
Fig.7 Ripple Rejection
(lo=100mA)
Fig.12 Thermal Shutdown
Circuit Characteristics
Fig.1 Circuit Current
Fig.2 Shut Down Current
Fig.3 Line Regulation
(Io=0mA)
Fig.4 Line Regulation
(Io=500mA)
Fig.5 Load Regulation
Fig.6 Dropout Voltage
(Vcc=Vo×0.95V)
(lo=0mA→1000mA)
Fig.8 Output Voltage
Temperature Characteristics
Fig.10 CTL Voltage vs CTL Current
Fig.11 CTL Voltage vs Output Voltage
Fig.9 Circuit Current
(lo=0mA→1000 mA)
0
3
6
9
12
15
18
024681012141618202224
SUPPLY VOLTAGE
：
Vcc [V]
STANBY CURRENT
：
Isd [µA]
0
10
20
30
40
50
60
70
80
10 100 1000 10000 100000 1000000
FREQUENCY
：
f
[Hz]
RIPPLE REJECTION
：
R.R.
[dB]
P1-P3P4-P6P7-P9P10-P12P13-P15

BD33C0AWFP-E2

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LDO Voltage Regulators IC Pwr Linear Reg Single Output LDO
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