Document
SEMICONDUCTOR
TECHNICAL DATA
4 TERMINAL LOW DROP VOLTAGE REGULATOR The KIA78Rᴧᴧ series are Low Drop Voltage Regulator suitable for various electronic equipments. www.datasheet4u.com 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.
KIA78R25PI~KIA78R37PI
BIPOLAR LINEAR INTEGRATED CIRCUIT
A
C
O E
L
V T
V
S L K U
R
H
FEATURES
ᴌ1.0A Output Low Drop Voltage Regulator. ᴌBuilt in ON/OFF Control Terminal. ᴌBuilt in Over Current Protection, Over Heat Protection Function.
P 1 2 3 4 M
D
DIM MILLIMETERS _ 0.20 A 10.00 + _ 0.20 15.00 + B _ 0.20 C 2.70 + _ 0.10 D 0.60 + _ 0.20 E Φ3.20 + _ 0.10 3.50 + F _ 0.20 15.70 + G _ 0.10 H 0.40 + 14.3+0.2/-0.1 J _ 0.10 1.45 + K _ 0.10 L 1.00 + 2.54 M _ 0.20 N 4.50 + _ 0.1 O 7.5+ _ 0.10 1.50 + P
R S T U V 5 8 _ 0.1 1.30 + _ 0.1 3-1.00 + _ 0.1 1.30 +
B
J
N
G
F
1 2 3 4
DC INPUT (V IN ) DC OUTPUT (VO ) GND ON/OFF CONTROL
LINE UP
ITEM * KIA78R25PI * KIA78R30PI KIA78R33PI * KIA78R35PI * KIA78R37PI Note) * : Under development OUTPUT VOLTAGE (Typ.) 2.5 3.0 3.3 3.5 3.7 V UNIT
TO-220IS-4
MAXIMUM RATING (Ta=25ᴱ)
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 -20ᴕ80 -30ᴕ125 260 UNIT V V A W W ᴱ ᴱ ᴱ ᴱ Remark No heatsink with heatsink -
2001. 6. 28
Revision No : 3
1/5
KIA78R25PI~KIA78R37PI
ELECTRICAL CHARACTERISTICS (Ta=25ᴱ) (Unless otherwise specified, IO=0.5A, Ta=25ᴱ, Note1.)
CHARACTERISTIC
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SYMBOL
CONDITIONS -
MIN. 2.438 2.925 3.220 3.413 3.608 -
TYP. 2.50 3.00 3.30 3.50 3.70 0.1 0.5 ᴦ0.02 55 -
MAX. 2.562 3.075 3.380 3.587 3.792 2.0 2.5 ᴦ0.05 0.5 20 0.8 -0.4 10
UNIT
KIA78R25 KIA78R30 KIA78R33 KIA78R35 KIA78R37 VO
Output Voltage
-
V
Load Regulation Line Regulation 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) VIN of KIA78R25=4.2V " " " " KIA78R30=4.7V KIA78R33=5.0V KIA78R35=5.2V KIA78R37=5.4V " " " "
Reg Load Reg Line TCVO RᴌR VD VC(ON) IC(ON) VC(OFF) IC(OFF) IQ
IO=5mAᴕ1A (Note 2) Tj=0ᴕ125ᴱ IO=1A VC=2.7V VC=0.4V IO=0 Note3) At VIN=0.95VO
% % %/ᴱ dB V V Ọ A V mA mA
45 2.0 -
Note2) VIN of KIA78R25=3.2ᴕ10V KIA78R30=3.7ᴕ10V KIA78R33=4.0ᴕ10V KIA78R35=4.2ᴕ10V KIA78R37=4.4ᴕ10V
BLOCK DIAGRAM
VIN 1 3 Vo
+
BANDGAP REFERENCE
ASO PROTECTION
2 Control
OUTPUT ON/OFF CONTROL
OVER HEAT PROTECTION
5 GND
2001. 6. 28
Revision No : 3
2/5
KIA78R25PI~KIA78R37PI
Fig. 1 Standard Test Circuit
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V IN
47µF 1 KIA78RXXPI 2 5 0.33µF 3 Vc A A RL Io
Vo
V
Ic
A
Iq
Fig. 1-2 Ripple Rejection Test Circuit
1 KIA78RXX.