
BA178!!T / FP series
Regulator ICs
"
""
"Internal circuit configuration diagram
R
4
R
2
R
16
R
15
C
1
R
10
R
8
R
9
R
11
R
12
R
20
R
19
R
21
R
17
R
13
D
2
R
5
R
6
R
1
R
7
R
22
R
18
R
3
R
14
D
3
D
1
Q
3
Q
11
Q
4
Q
2
Q
7
Q
5
Q
13
Q
12
Q
10
Q
6
Q
8
Q
9
Q
15
Q
16
Q
17
Q
1
Q
14
Q
18
(2)
COMMON
(3)
OUTPUT
(1)
INPUT
"
""
"Absolute maximum ratings (Ta=25°C)
^Common specifications for BA178!!T / FP seriesp
Parameter Symbol Limits Unit
Applied voltage V
IN 35 V
Power
dissipation
TO220FP
W
Operating temperature Topr ˚C
Storage temperature Tstg ˚C
2.0
∗
1.0
∗
∗
Reduced by 16 mW / ˚C (TO220FP) and 8 mW / ˚C (TO252-3) for each increase in Ta of 1˚C over 25˚C
(without heat sink).
TO252-3
Pd
−40∼+85
−55∼+150
"
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"Recommended operating conditions (Ta=25°C)
Parameter Symbol Min. Typ.
BA17805T / FP
Max. Unit
Input voltage 7.5 − 25 V
Output current − 1A−
V
IN
I
O
Parameter Symbol Min. Typ. Max. Unit
Input voltage 8.5 − 21 V
Output current
−−1A
V
IN
I
O
BA17806T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage
Output current
9.5 − 22 V
−−1A
V
IN
I
O
BA17807T / FP
Parameter Symbol Min. Typ. Max. Unit
Input voltage
Output current
10.5 − 23 V
−−1A
V
IN
I
O
BA17808T / FP
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