Document
SEMICONDUCTOR KIA78R25API~KIA78R37API
TECHNICAL DATA
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.
FEATURES 1.0A Output Low Drop Voltage Regulator. Built in ON/OFF Control Terminal. Built in Over Current Protection, Over Heat Protection Function.
A E
JB
LV U
VL K
T
D
M
P 1234
N
GF
C O
S H
DIM A B C D E F G H
MILLIMETERS
10.00+_ 0.20 15.00+_ 0.20
2.70+_ 0.20 0.60 +_0.10 Φ3.20 +_ 0.20 3.50+_ 0.10
15.70+_ 0.20 0.40+_ 0.10
R J 14.3+0.2/-0.1 K 1.45+_ 0.10 L 1.00+_ 0.10
M 2.54 N 4.50+_ 0.20 O 7.5+_ 0.1 P 1.50+_ 0.10
R5
S8 T 1.30+_ 0.1 U 3-1.00+_ 0.1 V 1.30 +_ 0.1
1 DC INPUT (VIN) 2 DC OUTPUT (VO ) 3 GND
4 ON/OFF CONTROL
LINE UP
ITEM
OUTPUT VOLTAGE (Typ.)
* KIA78R25API
2.5
* KIA78R30API
3.0
KIA78R33API
3.3
* KIA78R35API
3.5
* KIA78R37API
3.7
Note) * : Under development
UNIT V
TO-220IS-4
MAXIMUM RATING (Ta=25 ) CHARACTERISTIC
Input Voltage ON/OFF Control Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Storage Temperature Soldering Temperature (10sec)
SYMBOL VIN VC IO Pd1 Pd2 Tj Topr Tstg Tsol
RATING 15 15 1 1.5 15 125
-20 80 -30 125
260
UNIT V V A W W
Remark -
No heatsink with heatsink
-
2002. 10. 4
Revision No : 3
1/5
KIA78R25API~KIA78R37API
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, IO=0.5A, Ta=25 , Note1.)
CHARACTERISTIC
SYMBOL
CONDITIONS
MIN.
KIA78R25
- 2.438
KIA78R30
- 2.925
Output Voltage
KIA78R33 KIA78R35
VO
- 3.220 - 3.413
KIA78R37
- 3.608
Load Regulation Line Regulation
Reg Load Reg Line
IO=5mA 1A (Note 2)
-
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
TCVO RR
VD VC(ON) IC(ON) VC(OFF) IC(OFF)
IQ
Tj=0 125 -
IO=1A -
VC=2.7V -
VC=0.4V IO=0
45 2.0 -
Note1) VIN of KIA78R25=4.2V " KIA78R30=4.7V " KIA78R33=5.0V " KIA78R35=5.2V " KIA78R37=5.4V
Note2) VIN of KIA78R25=3.2 " KIA78R30=3.7 " KIA78R33=4.0 " KIA78R35=4.2 " KIA78R37=4.4
10V 10V 10V 10V 10V
Note3) At VIN=0.95VO
TYP. 2.50 3.00 3.30 3.50 3.70 0.1 0.5 0.02 55
-
MAX. 2.562 3.075 3.380 3.587 3.792 2.0 2.5
0.05 0.5 20 0.8 -0.4 10
UNIT
V
% % %/ dB V V A V mA mA
BLOCK DIAGRAM
VIN 1
2 Vo
2002. 10. 4
BANDGAP REFERENCE
4 Control
OUTPUT ON/OFF CONTROL
Revision No : 3
ASO PROTECTION
OVER HEAT PROTECTION
3 GND
+
2/5
KIA78R25API~KIA78R37API
Fig. 1 Standard Test Circuit
VIN 12
KIA78RXXAPI
Vc
4
3A
0.33µF
A Iq
Ic
Vo
A Io
47µF
V RL
Fig. 1-2 Ripple Rejection Test Circuit
ei VIN
12 KIA78RXXAPI 4 3
0.33µF
47µF
RL V eo
f=120Hz(sine wave) ei=0.5Vrm.