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BA7806CP-E2

P1-P3P4-P6P7-P9P10-P12P13-P13
BA78□□Series,BA78M□□Series
Technical Note
7/12
www.rohm.com
2012.03 - Rev.C
© 2012 ROHM Co., Ltd. All rights reserved.
●BA78M□□ Characteristics data(Ta=25℃, Vin=10V(05), 14V(08), 23V(15) unless otherwise specified)
Ta= 25℃ Io=0mA
BA78M05
BA78M08
BA78M15
Fig.4 Vin - Ib
0.0
0.5
1.0
1.5
2.0
0 5 10 15 20 25 30
Vin [V]
Io-p [A]
Ta= 25℃
BA78M15
BA78M08
BA78M05
Fig.6 Peak Output Current
0
1
2
3
4
5
6
0 0.1 0.2 0.3 0.4 0.5
Io [A]
Ib [mA]
Ta= 25℃
BA78M05
BA78M08
BA78M15
Fi
g
.12 Io - Ib
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
-40-200 20406080100
Ta [
℃
]
⊿
Vo/Vo [%]
Io=5mA
BA78M15
BA78M08
BA78M05
Fig.10 Ta - Vo
BA78M05
BA78M08
BA78M15
Fig.11 Ta - Ib
0
1
2
3
4
5
6
-40 -20 0 20 40 60 80 100
Ta[
℃
]
Ib[mA]
Io=0mA
BA78M05
BA78M08
BA78M15
0
5
10
15
20
0.0 0.5 1.0 1.5 2.0
Io [A]
Vo [V]
Fig.5 Load Regulation
Ta= 25℃
BA78M05
BA78M08
BA78M15
0.0
0.2
0.4
0.6
0.8
1.0
0 5 10 15 20 25 30
Vin [V]
Ios [A]
Ta= 25℃
BA78M05
BA78M08
BA78M15
Fig.8 Short – Circuit Output Current
0
5
10
15
20
0 5 10 15 20 25 30
Vin [V]
Vo [V]
Ta= 25℃ Io=350mA
Fig.2 Line Regulation (Io=350mA)
BA78M15
BA78M08
BA78M05
Ta= 25℃ Io=500mA
0
5
10
15
20
0 5 10 15 20 25 30
Vin [V]
Vo [V]
BA78M15
BA78M08
BA78M05
Fig.3 Line Regulation(Io=500mA)
0.0
0.5
1.0
1.5
2.0
0 0.1 0.2 0.3 0.4 0.5
Io [A]
Vd [V]
Ta= 25℃
BA78M05
BA78M08
BA78M15
Fig.7 Dropout Voltage
0
20
40
60
80
100
10 100 1000 10000 100000 1000000
Fre
q
uenc
y
[
Hz
]
R.R. [dB]
Ta= 25℃
Io=100mA
BA78M05
BA78M15
BA78M08
0
Fig.9 Ripple Rejection Ratio
Frequency［Hz］
Ta= 25℃ Io=500mA
Fig.1 Line Regulation (Io=0mA)
0
5
10
15
20
0 5 10 15 20 25 30
Vin [V]
Vo [V]
Ta= 25℃ Io=0mA
BA78M05
BA78M08
BA78M15
10 100 1K 10K 100K 1M
0
1
2
3
4
5
6
0 5 10 15 20 25 30
Vin [V]
Ib [mA]
Ta= 25℃ Io=0mA
BA78M05
BA78M08
BA78M15
Fig.4 VIN - Io
BA78□□Series,BA78M□□Series
Technical Note
8/12
www.rohm.com
2012.03 - Rev.C
© 2012 ROHM Co., Ltd. All rights reserved.
●BA78□□ Characteristics data (Ta=25℃, Vin=10V(05), 14V(08), 23V(15) unless otherwise specified)
Io=0mA
BA7805
BA7808
BA7815
Fig.23 Ta - Ib
0
1
2
3
4
5
6
-40 -20 0 20 40 60 80 100
Ta [
℃
]
Ib [mA]
Io=0mA
BA7805
BA7808
BA7815
0
1
2
3
4
5
6
0 5 10 15 20 25 30
Vin [V]
Ib [mA]
Ta= 25℃ Io=0mA
BA7805
BA7808
BA7815
Fig.16 Vin - Ib
0
5
10
15
20
0.0 0.5 1.0 1.5 2.0
Io [A]
Vo [V]
Ta= 25℃
BA7815
BA7808
BA7805
Fig.17 Load Regulation
0.0
0.5
1.0
1.5
2.0
0 5 10 15 20 25 30
Vin [V]
Io-p [A]
Fig.18 Peak Output Current
Ta= 25℃
BA7815
BA7808
BA7805
0.0
0.5
1.0
1.5
2.0
0 0.2 0.4 0.6 0.8 1
Io [A]
Vd [V]
Ta= 25℃
BA7805
BA7808
BA7815
Fig.19 Dropout Voltage
0
0.5
1
1.5
2
0 5 10 15 20 25 30
Vin [V]
Ios [A]
Ta= 25℃
BA7805
BA7808
BA7815
Fig.20 Short – Circuit Output Current
0
1
2
3
4
5
6
0 0.2 0.4 0.6 0.8 1
Io [A]
Ib [mA]
Ta= 25℃
BA7815
BA7808
BA7805
Fig.24 Io - Ib
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
-40-200 20406080100
Ta [
℃
]
ΔVo/Vo [%]
Io=5mA
BA7815
BA7808
BA7805
Fig.22 Ta - Vo
Fig.13 Line Regulation (Io=0mA)
0
5
10
15
20
0 5 10 15 20 25 30
Vin [V]
Vo [V]
Ta= 25℃ Io=0mA
BA7805
BA7808
BA7815
Fig.14 Line Regulation (Io=500mA)
0
5
10
15
20
0 5 10 15 20 25 30
Vin [V]
Vo [V]
Ta= 25℃ Io=500mA
BA7805
BA7808
BA7815
Fig15. Line Regulation (Io=1A)
0
5
10
15
20
0 5 10 15 20 25 30
Vin [V]
Vo [V]
Ta= 25℃ Io=1A
BA7815
BA7805
BA7808
0
20
40
60
80
100
10 100 1000 10000 100000 1000000
Frequency [Hz]
R.R. [dB]
Ta= 25℃
Io=100mA
BA7805
BA7815
BA7808
1
1
00
1K 1
0
K 1
00
K 1M
Fig.21 Ripple Rejection Ratio
0
BA78□□Series,BA78M□□Series
Technical Note
9/12
www.rohm.com
2012.03 - Rev.C
© 2012 ROHM Co., Ltd. All rights reserved.
●Internal Circuit Structural Diagram
TO220CP-3 TO252-3
PIN No. Symbol Function PIN No. Symbol Function
1 INPUT Input terminal 1 INPUT Input terminal
2 COMMON Ground terminal 2 N.C. Non connection terminal
3 OUTPUT Output terminal 3 OUTPUT Output terminal
FIN COMMON Ground terminal
●Protection Circuit
(1)Over-current protection circuit
(2) Thermal shutdown circuit
(3) Safety operation area control circuit
Q5
R4
R10
R5
R6
R7
R8
Q8
R9
Q9
R13
Q17
Q16
Q15
Q13
Q10
Q6
Q18
Q14
Q1
Q7
Q2
R21
R17
R20
R12
R19
Q11
Q3
R14
R3
R18
R1
R15
R11
C1
D2
D1
Q12
R2
D3
INPUT
OUTPUT
COMMON
R22
Q4
R16
FIN
12 3
When the chip temperature of IC exceeds the setting temperature, the IC goes
OFF, and it controls the IC not to be destroyed by the heat generation.
It can be restored by being lowered the chip temperature of IC below the
setting temperature.
It controls the output current in inverse proportion ratio to voltage difference
(input-output).
When voltage difference becomes bigger, the IC will be destroyed in rush current.
It protects the IC by controlling the current ability according to the voltage level.
When the maximum rating current or more is rushed, it controls the
current ability and protects the IC from destruction.
6
Chip Junction temperature : Tj [℃]
175
50
25
Vin=10V
BA7805CP
Output Voltage : Vo [V]
75
100
125 150
200
5
4
3
2
1
0
21
Vin=10V
BA7805CP
Output voltage : Vo [V]
6
5
4
3
2
1
0
Output Current : I
O[A]
Input-Output voltage difference: Vin-Vo [V]
30 20
Maximum output current : IO-P[A]
40
2
0
10
1.5
1
0.5
Tj=25℃
BA7805CP
P1-P3P4-P6P7-P9P10-P12P13-P13

BA7806CP-E2

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Buy BA7806CP-E2
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Description:
Linear Voltage Regulators IC REG 8.5-21 VOUT 6V 1A
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