KIA78R33API.pdf

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SEMICONDUCTOR
TECHNICAL DATA
KIA78R25API~KIA78R37API
BIPOLAR LINEAR INTEGRATED CIRCUIT
4 TERMINAL LOW DROP VOLTAGE REGULATOR
The KIA78R series are Low Drop Voltage
Regulator suitable for various electronic equipments.
It provides constant voltage power source with TO-220
4 terminal lead full molded PKG.
The Regulator has multi function such as over current
protection, overheat protection and ON/OFF control.
A
C
DIM MILLIMETERS
O
A
B
C
D
E
F
G
10.00 0.20
15.00 0.20
2.70 0.20
0.60 0.10
Φ3.20 0.20
3.50 0.10
_
_
_
_
_
E
15.70 0.20
0.40 0.10
H
S
R
J
K
L
M
N
O
P
14.3+0.2/-0.1
1.45 0.10
1.00 0.10
2.54
4.50 0.20
7.5 0.1
1.50 0.10
V
L V
L
_
_
K
U
T
H
_
_
_
FEATURES
1.0A Output Low Drop Voltage Regulator.
Built in ON/OFF Control Terminal.
Built in Over Current Protection, Over Heat
Protection Function.
D
R
5
M
S
8
T
U
V
1.30 0.1
3-1.00 0.1
1.30 0.1
_
_
_
P
1
2
3
4
DC INPUT (V )
DC OUTPUT (V )
GND
ON/OFF CONTROL
IN
1234
O
LINE UP
TO-220IS-4
ITEM
OUTPUT VOLTAGE (Typ.)
UNIT
* KIA78R25API
2.5
* KIA78R30API
3.0
KIA78R33API
3.3
V
* KIA78R35API
3.5
* KIA78R37API
3.7
Note) * : Under development
MAXIMUM RATING (Ta=25 )
CHARACTERISTIC
SYMBOL
RATING
UNIT
Remark
Input Voltage
V IN
15
V
-
ON/OFF Control Voltage
V C
15
V
-
Output Current
I O
1
A
-
Power Dissipation 1
P d1
1.5
W
No heatsink
Power Dissipation 2
P d2
15
W
with heatsink
Junction Temperature
T j
125
-
Operating Temperature
T opr
-20 80
-
Storage Temperature
T stg
-30 125
-
Soldering Temperature (10sec)
T sol
260
-
2002. 10. 4
Revision No : 3
1/5
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_
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KIA78R25API~KIA78R37API
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, I O =0.5A, Ta=25 , Note1.)
CHARACTERISTIC
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
KIA78R25
-
2.438
2.50
2.562
KIA78R30
-
2.925
3.00
3.075
Output Voltage
KIA78R33
V O
-
3.220
3.30
3.380
V
KIA78R35
-
3.413
3.50
3.587
KIA78R37
-
3.608
3.70
3.792
Load Regulation
Reg Load
I O =5mA 1A
-
0.1
2.0
%
Line Regulation
Reg Line
(Note 2)
-
0.5
2.5
%
Temperature Coefficient of Output Voltage
T C V O
Tj=0 125
-
0.02
0.05
%/
Ripple Rejection
R R
-
45
55
-
dB
Drop Out Voltage
V D
I O =1A
-
-
0.5
V
Output ON state for control Voltage
V C(ON)
-
2.0
-
-
V
Output ON state for control Current
I C(ON)
V C =2.7V
-
-
20
A
Output OFF state for control Voltage
V C(OFF)
-
-
-
0.8
V
Output OFF state for control Current
I C(OFF)
V C =0.4V
-
-
-0.4
mA
Quiescent Current
I Q
I O =0
-
-
10
mA
Note1) V IN of KIA78R25=4.2V Note2) V IN of KIA78R25=3.2 10V Note3) At V IN =0.95V O
" KIA78R30=4.7V " KIA78R30=3.7 10V
" KIA78R33=5.0V " KIA78R33=4.0 10V
" KIA78R35=5.2V " KIA78R35=4.2 10V
" KIA78R37=5.4V " KIA78R37=4.4 10V
BLOCK DIAGRAM
V IN
1
2
V o
-
+
BANDGAP
REFERENCE
ASO
PROTECTION
4
OUTPUT ON/OFF
CONTROL
Control
OVER HEAT
PROTECTION
3
GND
2002. 10. 4
Revision No : 3
2/5
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KIA78R25API~KIA78R37API
Fig. 1 Standard Test Circuit
V IN
1
2
V o
KIA78RXXAPI
V
4
A
I
o
3
A
V
0.33
µ
F
47
µ
F
R
L
I
c
A
I
q
Fig. 1-2 Ripple Rejection Test Circuit
1
2
KIA78RXXAPI
e i
4
3
R L
V
e o
47µF
V IN
0.33µF
f=120Hz(sine wave)
ei=0.5Vrms
RR=20log(ei/eo)
Fig. 2 Application Circuit for Standard
V
IN
1
2
V o
Specific IC
C o
3
4
ON/OFF
signal
High or Open : Output ON
Low
: Output OFF
CMOS or TTL
2002. 10. 4
Revision No : 3
3/5
691931500.029.png 691931500.030.png 691931500.031.png
KIA78R25API~KIA78R37API
Fig.3 Ta - P
D
Fig.4 I - V
O
O
20
100
P 1:No heat sink
p 2:With infinite heat sink
D
D
15
P 2
D
80
60
10
40
5
20
P 1
D
0 -25
0
50
100
150
0
0
0.5
1.0
1.5
2.0
AMBIENT TEMPERATURE Ta ( C)
OUTPUT CURRENT I (A)
O
Note) Oblique line portion : Overheat
protection may operate in this
area.
Fig.5-1 T - V (KIA78R25)
j
o
Fig.5-2 T - V (KIA78R30)
j
o
150
150
V =4.2V
I =0.5A
V =4.7V
O
I =0.5A
100
100
50
50
0
0
-50
-50
-100
-25
-100
0
25
50
75
100
125
-25
0
25
50
75
100
125
JUNCTION TEMPERATURE T ( C)
j
JUNCTION TEMPERATURE T ( C)
j
Fig.5-3 T - V (KIA78R33)
j
o
Fig.5-4 T - V (KIA78R35)
j
o
150
150
V =5.0V
I =0.5A
V =5.2V
O
IN
O
IN
I =0.5A
100
100
50
50
0
0
-50
-50
-100
-25
-100
0
25
50
75
100
125
-25
0
25
50
75
100
JUNCTION TEMPERATURE T ( C)
j
JUNCTION TEMPERATURE T ( C)
j
2002. 10. 4
Revision No : 3
4/5
IN
O
IN
691931500.032.png 691931500.033.png 691931500.034.png
KIA78R25API~KIA78R37API
Fig.5-5 T - V (KIA78R37)
j
o
Fig.6 T - V
j
D
250
0.5
200
150
V =5.4V
I =0.5A
0.4
100
50
0
0.3
I =1A
I =0.75A
O
0.2
-50
-100
I =0.5A
O
0.1
I =0.25A
O
-150
-200
0
-25
0
25
50
75
100
125
-25
0
25
50
75
100
125
JUNCTION TEMPERATURE T ( C)
j
JUNCTION TEMPERATURE T ( C)
j
Fig.7 T - I
j
q
Fig.8-1 f - RR
10
80
V =35V
I =0
IN
O
70
8
60
6
50
40
4
30
I =0.5A,ei=0.5V
V =4.2V(KIA78R25)
rms
V =4.7V(KIA78R30)
IN
20
2
V =5.0V(KIA78R33)
IN
10
V =5.2V(KIA78R35)
IN
V =5.4V(KIA78R37)
IN
0
0
-25
0
25
50
75
100
125
0.1
1
10
100
JUNCTION TEMPERATURE T ( C)
j
INPUT RIPPLE FREQUENCY f (kHz)
Fig.10-2 I - RR
O
70
60
50
40
f=120Hz,ei=0.5V
rms
C =3.3µF
ref
V =4.2V(KIA78R25)
IN
V =4.7V(KIA78R30)
IN
30
V =5.0V(KIA78R33)
IN
V =5.2V(KIA78R35)
IN
V =5.4V(KIA78R37)
IN
20
0.1
0.5
1.0
OUTPUT CURRENT I (A)
O
2002. 10. 4
Revision No : 3
5/5
IN
O
O
O
IN
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