SEMICONDUCTOR
KIA78R25F~KIA78R37F
TECHNICAL DATA
5 TERMINAL LOW DROP VOLTAGE REGULATOR
The KIA78Rᴧᴧ series are Low Drop Voltage
Regulator suitable for various electronic equipments.
It provides constant voltage power source with DPAK-5
terminal surface mount type PKG.
The Regulator has multi function such as over current
protection, overheat protection and ON/OFF control.
FEATURES
ᴌ1.0A Output Low Drop Voltage Regulator.
ᴌBuilt in ON/OFF Control Terminal.
ᴌBuilt in Over Current Protection, Over Heat
Protection Function.
LINE UP
ITEM OUTPUT VOLTAGE (Typ.) UNIT
KIA78R25F 2.5
BIPOLAR LINEAR INTEGRATED CIRCUIT
A
C
D
B
E
F
2
345
1
I
J
M
N
H
O
L
P
MILLIMETERS
1
2
3
4
5
DIM
A
B
C
D
E
F
H
J
L
M
N
O
P
I
_
+
6.6 0.2
_
+
6.1 0.2
_
+
5.0 0.2
_
+
1.10 0.2
_
+
2.70 0.2
_
+
1.27 0.1
0.5+0.2/-0.1
_
+
2.30 0.2
_
+
0.5 0.1
_
+
0.50 0.1
_
+
0.8 0.2
0 ~0.25
0.7MIN
_
+
1.00 0.1
DC INPUT (V )
ON/OFF CONTROL (V )
DC OUTPUT (V )
N.C
GND
IN
O
C
DPAK-5
KIA78R30F 3.0
KIA78R33F 3.3
KIA78R35F 3.5
KIA78R37F 3.7
MAXIMUM RATINGS (Ta=25ᴱ)
CHARACTERISTIC SYMBOL RATING UNIT REMARK
Input Voltage
ON/OFF Control Voltage
Output Current
Power Dissipation 1
Junction Temperature
Operating Temperature
Storage Temperature
Soldering Temperature (10sec)
V
V
IN
V
C
I
O
P
d
T
j
T
opr
T
stg
T
sol
35 V -
35 V -
1 A -
8 W Infinite heat sink
125
-20ᴕ80
-30ᴕ125
260
ᴱ
ᴱ
ᴱ
ᴱ
-
-
-
-
2001. 5. 31 1/5
Revision No : 1
KIA78R25F~KIA78R37F
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, I
CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Output Voltage
Load Regulation Reg Load
Line Regulation Reg Line (Note 2) - 0.5 2.5 %
Temperature Coefficient of Output Voltage
Ripple Rejection
Drop Out Voltage
Output ON state for control Voltage
Output ON state for control Current
Output OFF state for control Voltage
Output OFF state for control Current
Quiescent Current
Note1) VINof KIA78R25=4.2V Note2) VINof KIA78R25=3.2ᴕ10V Note3) At VIN=0.95V
" KIA78R30=4.7V " KIA78R30=3.7ᴕ10V
" KIA78R33=5.0V " KIA78R33=4.0ᴕ10V
" KIA78R35=5.2V " KIA78R35=4.2ᴕ10V
" KIA78R37=5.4V " KIA78R37=4.4ᴕ10V
=0.5A, Ta=25ᴱ, Note1.)
O
KIA78R25
- 2.438 2.50 2.562
KIA78R30 - 2.925 3.00 3.075
KIA78R33 - 3.220 3.30 3.380
V
O
KIA78R35 - 3.413 3.50 3.587
KIA78R37 - 3.608 3.70 3.792
TCV
RᴌR
V
V
C(ON)
I
C(ON)
V
C(OFF)
I
C(OFF)
I
IO=5mAᴕ1A
Tj=0ᴕ125ᴱ
O
- 45 55 - dB
D
IO=1A
- 2.0 - - V
VC=2.7V
- - - 0.8 V
VC=0.4V
Q
IO=0
- 0.1 2.0 %
-
ᴦ0.02 ᴦ0.05 %/ᴱ
- - 0.5 V
- - 20
- - -0.4 mA
- - 10 mA
O
V
ỌA
BLOCK DIAGRAM
V
IN
Control
1
2
BANDGAP
REFERENCE
OUTPUT ON/OFF
CONTROL
ASO
PROTECTION
OVER HEAT
PROTECTION
5
GND
V
3
o
-
+
2001. 5. 31 2/5
Revision No : 1