ROHM BA15T, BA15FP, BA09FP, BA08T, BA08FP Datasheet
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BAOOT / FP series
Regulator ICs
Low saturation voltage type 3-pin
regulator
BAOOT / FP series
The BAΟΟT/ FP series are fixed positive output low drop-out type, 3-pin voltage regulators with positive output.. These
regulators are used to provide a stabilized output voltage from a fluctuating DC input voltage.
There are 10 fixed output voltages, as follows:3V, 3.3V, 5V, 6V*, 7V, 8V, 9V, 10V, 12V and 15V. The maximum current
capacity is 1A for each of the above voltages. (Items marked with an asterisk are under development.)
!!!!
Applications
Constant voltage power supply
!!!!
Features
1) Built-in overvoltage protection circuit, overcurrent
protection circuit and thermal shutdown circuit.
2) TO220FP and TO252-3 packages are available to
cover a wide range of applications.
3) Compatible with the BA178ΟΟ series.
4) Richly diverse lineup.
5) Low minimum I / O voltage differential.
!!!!
Product codes
Product No. Product No.
3.0 BA03T / FP 8.0 BA08T / FP
3.3 BA033T / FP 9.0 BA09T / FP
5.0 BA05T / FP 10.0 BA10T / FP
6.0 BA06T / FP 12.0 BA12T / FP
7.0 BA07T / FP 15.0 BA15T / FP
Output voltage (V)Output voltage (V)
**
* : Under development.
!!!!
Block diagram
1
2
OUT
−
+
REFERENCE
VOLTAGE
GND
V
CC
+
3
BAOOT / FP series
Regulator ICs
!!!!
Absolute maximum ratings
(Ta = 25°C)
*1 Reduced by 16mW for each increase in Ta
of 1°C over 25°C
*3 Voltage application time : 200 msec. or less
*2 Reduced by 8mW for each increase in Ta
of 1°C over 25°C
Parameter Symbol Limits Unit
Power supply voltage V
CC
35 V
Power
dissipation
TO220FP
Pd
2000
*1
mW
TO252 - 3 1000
*2
Operating temperature Topr °C
Storage temperature Tstg °C
Peak applied voltage Vsurge 50
*3
V
-40~85
-55~150
!!!!
Recommended operating conditions
BA03T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
4 - 25 V
Output current Io - - 1 A
BA033T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
4.3 - 25 V
Output current Io - - 1 A
BA05T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
6 - 25 V
Output current Io - - 1 A
BA06T / FP (under development)
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
7 - 25 V
Output current Io - - 1 A
BA07T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
8 - 25 V
Output current Io - - 1 A
BA08T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
9 - 25 V
Io - - 1 A
Output current
BA09T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
10-25 V
Output current Io - - 1 A
BA10T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
11-25 V
Output current Io - - 1 A
BA12T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
13-25 V
Output current Io - - 1 A
BA15T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage V
IN
16-25 V
Output current Io - - 1 A
BAOOT / FP series
Regulator ICs
!!!!
Electrical characteristics
BA03T / FP (unless otherwise noted, Ta = 25°C, V
CC
= 8V, IO = 500mA)
Parameter Symbol Min. Typ. Max. Unit Conditions
-
Measurement
circuit
2.85 3.0 3.15 V Fig.1
Reg.I - 20 100 mV V
IN
= 4→25V Fig.1
R.R. 45 55 - dB Fig.2
Reg.L - 50 150 mV Fig.1
- ±0.02 - Fig.1
V
d
- 0.3 0.5 V
I
b
- 2.5 5.0 mA
1.0 1.5 - A Tj = 25°C Fig.1
- 0.4 - A
V
O1
Tcvo
I
O-P
Ios
Io = 5mA→1A
Vcc = 0.95V
O
Io = 0mA
Fig.5
Fig.4
Fig.3
eIN =
1V
rms
, f
=
120Hz, Io
=
100mA
Io = 5mA, Tj = 0~125°C
Vcc = 25V
% / °C
Input stability
Ripple rejection ratio
Load regulation
Temperature coefficient of output voltage
Dropout voltage
Bias current
Peak output current
Output short-circuit current
Output voltage
BA033T / FP (unless otherwise noted, Ta = 25°C, VCC = 8V, IO = 500mA)
Parameter
Symbol Min. Typ. Max. Unit Conditions
-
Measurement
circuit
3.13 3.3 3.47 V Fig.1
Reg.I - 20 100 mV V
IN
= 4.3→25V Fig.1
R.R. 45 55 - dB Fig.2
Reg.L - 50 150 mV Fig.1
- ±0.02 - Fig.1
V
d
- 0.3 0.5 V
I
b
- 2.5 5.0 mA
1.0 1.5 - A Tj = 25°C Fig.1
- 0.4 - A
V
O1
Tcvo
I
O-P
Ios
Io = 5mA→1A
Vcc = 0.95V
O
Io = 0mA
Fig.5
Fig.4
Fig.3
eIN =
1V
rms
, f
=
120Hz, Io
=
100mA
Io = 5mA, Tj = 0~125°C
Vcc = 25V
% / °C
Input stability
Ripple rejection ratio
Load regulation
Temperature coefficient of output voltage
Dropout voltage
Bias current
Peak output current
Output short-circuit current
Output voltage
BA05T / FP (unless otherwise noted, Ta = 25°C, VCC = 10V, IO = 500mA)
Parameter
Symbol Min. Typ. Max. Unit Conditions
-
Measurement
circuit
4.75 5.0 5.25 V Fig.1
Reg.I - 20 100 mV V
IN
= 6→25V Fig.1
R.R. 45 55 - dB Fig.2
Reg.L - 50 150 mV Fig.1
- ±0.02 - Fig.1
V
d
- 0.3 0.5 V
I
b
- 2.5 5.0 mA
1.0 1.5 - A Tj = 25°C Fig.1
- 0.4 - A
V
O1
Tcvo
I
O-P
Ios
Io = 5mA→1A
Vcc = 4.75V
Io = 0mA
Fig.5
Fig.4
Fig.3
eIN =
1V
rms
, f
=
120Hz, Io
=
100mA
Io = 5mA, Tj = 0~125°C
Vcc = 25V
% / °C
Input stability
Ripple rejection ratio
Load regulation
Temperature coefficient of output voltage
Dropout voltage
Bias current
Peak output current
Output short-circuit current
Output voltage
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