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BA033ST Schematic ( PDF Datasheet ) - ROHM Semiconductor

Teilenummer BA033ST
Beschreibung Low Drop-Out Type with ON/OFF Switch
Hersteller ROHM Semiconductor
Logo ROHM Semiconductor Logo 




Gesamt 11 Seiten
BA033ST Datasheet, Funktion
Regulator ICs
BAΟΟST / BAΟΟSFP series
Regulator, low drop-out type with ON/OFF
switch
BAΟΟST / BAΟΟSFP series
The BAΟΟST and BAΟΟSFP series are variable, fixed output low drop-out type voltage regulators with an ON/OFF
switch.
These regulators are used to provide a stabilized output voltage from a fluctuating DC input voltage.
Fixed output voltages are 3.3V, 5V, 6V(SFP), 7V, 8V, 9V, 10V(ST), 12V(ST). The maximum current capacity is 1 A for
each of the above voltages.
!Application
Constant voltage power supply
!Features
1) Built-in overvoltage protection circuit, overcurrent protection circuit and thermal shutdown circuit
2) TO220FP-5, TO252-5 standard packages can be accomodated in wide application.
3) 0µA (design value) circuit current when switch is off
4) Richly diverse lineup.
5) Low minimum I/O voltage differential.
!Product codes
Output voltage (V)
Variable
3.3
5.0
6.0
7.0
Product No.
BA00AST / ASFP
BA033ST / SFP
BA05ST / SFP
BA06SFP
BA07ST / SFP
Output voltage (V)
8.0
9.0
10.0
12.0
Product No.
BA08ST / SFP
BA09ST / SFP
BA10ST
BA12ST
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Power supply voltage
VCC
Power dissipation TO220FP-5
TO252-5
Operating temperature
Pd
Topr
Storage temperature
Tstg
Peak applied voltage
Vsurge
*1 Reduced by 16mW for each increase in Ta of 1˚C over 25˚C.
*2 Reduced by 8mW for each increase in Ta of 1˚C over 25˚C.
*3 Voltage application time : 200 msec. or less
Limits
35
2000 *1
1000 *2
-40~+85
-55~+150
50 *3
Unit
V
mW
˚C
˚C
V
1/11






BA033ST Datasheet, Funktion
Regulator ICs
BAΟΟST / BAΟΟSFP series
BA10ST (unless otherwise noted, Ta=25°C, Vcc=15 V, Io=500 mA)
Parameter
Symbol Min. Typ. Max.
Power save current
Output voltage
Input stability
Ripple rejection ratio
Load regulation
Temperature coefficient of output voltage
Minimum I/O voltage differential
Bias current
Peak output current
Output short-circuit current
ON mode voltage
OFF mode voltage
Input high level current
IST
VO1
Reg.I
R.R.
Reg.L
TCVO
Vd
Ib
IO
IOS
Vth1
Vth2
IIN
- 0 10
9.5 10 10.5
- 20 100
45 55
-
- 50 150
- ±0.02 -
- 0.3 0.5
- 2.5 5.0
1.0 1.5
-
- 0.4 -
2.0 -
-
- - 0.8
100 200 300
Unit Conditions
µA
V
mV
dB
mV
% / ˚C
V
mA
A
A
V
V
µA
OFF mode
VCC=1125V
eIN=1Vrms, f=120Hz, IO=100mA
IO=5mA1A
IO=5mA, Tj=0~125˚C
VCC=0.95VO
IO=0mA
Tj=25˚C
VCC=25V
Output Active mode, IO=0mA
Output OFF mode, IO=0mA
CTL=5V, IO=0mA
Measurement
circuit
Fig.4
Fig.1
Fig.1
Fig.2
Fig.1
Fig.1
Fig.3
Fig.4
Fig.1
Fig.5
Fig.6
Fig.6
Fig.6
BA12ST (unless otherwise noted, Ta=25°C, Vcc=17 V, Io=500 mA)
Parameter
Symbol Min. Typ. Max.
Power save current
Output voltage
Input stability
Ripple rejection ratio
Load regulation
Temperature coefficient of output voltage
Minimum I/O voltage differential
Bias current
Peak output current
Output short-circuit current
ON mode voltage
OFF mode voltage
Input high level current
IST
VO1
Reg.I
R.R.
Reg.L
TCVO
Vd
Ib
IO
IOS
Vth1
Vth2
IIN
- 0 10
11.4 12 12.6
- 20 100
45 55
-
- 50 150
- ±0.02 -
- 0.3 0.5
- 2.5 5.0
1.0 1.5
-
- 0.4 -
2.0 -
-
- - 0.8
100 200 300
Unit Conditions
µA
V
mV
dB
mV
% / ˚C
V
mA
A
A
V
V
µA
OFF mode
VCC=1325V
eIN=1Vrms, f=120Hz, IO=100mA
IO=5mA1A
IO=5mA, Tj=0~125˚C
VCC=0.95VO
IO=0mA
Tj=25˚C
VCC=25V
Output Active mode, IO=0mA
Output OFF mode, IO=0mA
CTL=5V, IO=0mA
Measurement
circuit
Fig.4
Fig.1
Fig.1
Fig.2
Fig.1
Fig.1
Fig.3
Fig.4
Fig.1
Fig.5
Fig.6
Fig.6
Fig.6
6/11

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