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PDF BA178M18T Data sheet ( Hoja de datos )

Número de pieza BA178M18T
Descripción Standard 78M series/ 3-pin regulator
Fabricantes ROHM Semiconductor 
Logotipo ROHM Semiconductor Logotipo



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Regulator ICs
BA178M!!T / BA178M!!FP series
Standard 78M series, 3-pin regulator
BA178M!!T / BA178M!!FP series
The BA178M!!T and BA178M!!FP series are 3-pin, fixed positive output voltage regulators. These regulators are
used to provide a stabilized output voltage from a fluctuating DC input voltage.
There are 11 fixed output voltages, as follows : 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V, 20V, and 24V.
The maximum current capacity is 0.5A for each of the above voltages.
"Application
Constant voltage power supply
"Features
1) Built-in overcurrent protection circuit and thermal shutdown circuit.
2) Excellent ripple regulation.
3) Available in TO-220FP and TO252-3 packages, to meet wide range of applications.
4) Compatible with other manufacturers' regulators.
5) Richly diverse lineup. (5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V, 20V, 24 V)
"Product codes
Output voltage (V) Product No. Output voltage (V) Product No.
5
BA178M05T / FP
12
BA178M12T / FP
6
BA178M06T / FP
15
BA178M15T / FP
7
BA178M07T / FP
18
BA178M18T / FP
8
BA178M08T / FP
20
BA178M20T / FP
9
BA178M09T / FP
24
BA178M24T / FP
10 BA178M10T / FP

1 page




BA178M18T pdf
Regulator ICs
BA178M!!T / BA178M!!FP series
<BA178M08T / FP individual specifications> (unless otherwise noted, Ta=25°C, VIN=14V, IO=350mA)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Measurement
circuit
Output voltage 1
VO1 7.7 8.0 8.3 V IO=350mA
Fig.1
Output voltage 2
VO2 7.6 8.4 V VIN=10.5~23V, IO=5~350mA
Fig.1
Input stability 1
Reg.I1
4 100 mV VIN=10.5~25V, IO=200mA
Fig.1
Input stability 2
Reg.I2
1 50 mV VIN=11~12V, IO=200mA
Fig.1
Ripple rejection ratio
R.R. 56 69
dB eIN=1Vrms, f=120Hz, IO=100mA
Fig.2
Load regulation 1
Reg.L1
20 160 mV IO=5~500mA
Fig.1
Load regulation 2
Reg.L2
10 80 mV IO=5~200mA
Fig.1
Temperature coefficient of output voltage TCVO
− −0.5 mV/°C IO=5mA, Tj=0~125°C
Fig.1
Output noise voltage
Vn 80 − µV f=10Hz~100kHz
Fig.3
Minimum I/O voltage differential
Vd 2.0 V IO=500mA
Fig.4
Bias current
Ib 4.5 6.0 mA IO=0mA
Fig.5
Bias current change 1
Ib1 − − 0.5 mA IO=5~350mA
Fig.5
Bias current change 2
Ib2 − − 0.8 mA VIN=10.5~25V, IO=200mA
Fig.5
Peak output current
IOP 875 mA Tj=25°C
Fig.1
Output short-circuit current
IOS 0.4 A VIN=25V
Fig.6
<BA178M09T / FP individual specifications> (unless otherwise noted, Ta=25°C, VIN=15V, IO=350mA)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Output voltage 1
VO1 8.6 9.0 9.4 V IO=350mA
Output voltage 2
VO2 8.55 9.45 V VIN=11.5~24V, IO=5~350mA
Input stability 1
Reg.I1
4 100 mV VIN=11.5~26V, IO=200mA
Input stability 2
Reg.I2
2 50 mV VIN=12~25V, IO=200mA
Ripple rejection ratio
R.R. 56 67 dB eIN=1Vrms, f=120Hz, IO=100mA
Load regulation 1
Reg.L1
20 180 mV IO=5~500mA
Load regulation 2
Reg.L2
10 90 mV IO=5~200mA
Temperature coefficient of output voltage TCVO
− −0.5 mV/°C IO=5mA, Tj=0~125°C
Output noise voltage
Vn 90 − µV f=10Hz~100kHz
Minimum I/O voltage differential
Vd 2.0 V IO=500mA
Bias current
Ib 4.5 6.0 mA IO=0mA
Bias current change 1
Ib1 − − 0.5 mA IO=5~350mA
Bias current change 2
Ib2 − − 0.8 mA VIN=12~25V, IO=200mA
Peak output current
IOP 875 mA Tj=25°C
Output short-circuit current
IOS 0.17 A VIN=30V
Measurement
circuit
Fig.1
Fig.1
Fig.1
Fig.1
Fig.2
Fig.1
Fig.1
Fig.1
Fig.3
Fig.4
Fig.5
Fig.5
Fig.5
Fig.1
Fig.6

5 Page





BA178M18T arduino
Regulator ICs
"External dimensions (Units : mm)
BA178MOOT series
10.0
+0.3
0.1
7.0
+0.3
0.1
φ3.1±0.1
4.5
+0.3
0.1
2.8
+0.2
0.1
BA178M!!T / BA178M!!FP series
BA178MOOFP series
6.5±0.2
5.0
+0.2
0.1
(2)
2.3±0.2
0.5±0.1
1.3
0.8
2.54±0.5
2.54±0.5
(1) (2) (3)
(1) (2) (3)
0.55
+0.1
0.05
2.6±0.5
(1) INPUT
(2) COMMON
(3) OUTPUT
TO220FP
0.65
2.3±0.2
(1)
0.65
2.3±0.2
(3)
0.5±0.1
(1) INPUT
(2) COMMON
(3) OUTPUT
TO2523

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