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KIA317FP Datasheet Preview

KIA317FP Datasheet

3-TERMINAL 1A POSITIVE ADJUSTABLE REGULATOR

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SEMICONDUCTOR
TECHNICAL DATA
KIA317F/FP/PI/S
BIPOLAR LINEAR INTEGRATED CIRCUIT
3-TERMINAL 1A POSITIVE ADJUSTABLE REGULATOR
The KIA317F/FP/PI/S is adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5A
over a 1.25V to 37V output range. This is exceptionally easy to use and require only two external resistors
to set the output voltage. Further, both line and load regulation are better than standard fixed regulators.
FEATURES
Adjustable output between 1.25V and 37V
Guaranteed 1.5A output current
Line regulation typically 0.001%/V
Load regulation typically 0.1%
80dB ripple rejection (with Cadj)
Internal thermal overload protection
Internal short-circuit current limiting
Output transistor safe-area compensation
MAXIMUM RATINGS (Ta=25 )
CHARACTERISTIC
SYMBOL
Input-Output Voltage Differential
Output Current
F
VIN
IOUT
Power Dissipation
(No Heatsink)
FP
PD
PI
S (Note)
Operating Temperature
Storage Temperature
Lead Temperature
Topr
Tstg
Tlead
Note) : Package Mounted on FR-4 PCB 36 18 1.5 .
mounting pad for the GND Lead min. 6 .
BLOCK DIAGRAM
VIN
I1
Voltage
Reference
I2 I3
+
-
Protection
Circuitry
RATING
40
1.5
1.3
2.0
2.0
1.0
-30 85
-65 150
230
UNIT
V
A
W
Adj VO
2005. 6. 24
Revision No : 4
1/6




KEC

KIA317FP Datasheet Preview

KIA317FP Datasheet

3-TERMINAL 1A POSITIVE ADJUSTABLE REGULATOR

No Preview Available !

KIA317F/FP/PI/S
ELECTRICAL CHARACTERISTICS (Ta=25 )
(VI-VO=5V, IO=0.5A, 0 Tj 125 , IMAX=1.5A, unless otherwise specified.)
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN. TYP. MAX.
Line Regulation
VO(Line)
Ta=25 ,
Io=10mA
Ta=0 125
Io=10mA
,
3V Vin-Vout 40V
- 0.01 0.04
- 0.02 0.07
Load Regulation
Ta=25 ,
VO(Load)
Ta=0 125 ,
10mA Iout IMAX
- 0.1 0.5
- 0.3 1.5
Adjustable Pin Current
IAdj
- 50 100
Adjustable Pin Current Change
IAdj 10mA Io IMAX, 3V Vin-Vout 40V
- 0.2 5
Reference Voltage
Vref
10mA Io IMAX, 3V Vin-Vout 40V,
P PMAX
1.20 1.25 1.30
Temperature Stability
Minimum Load Current to
Maintain Regulation
STT
Io(MIN)
TMin Tj TMAX
(Vin-Vout)=40V
- 1-
- 3.5 10
Current Limit
Io(MAX)
(Vin-Vout) 15V, P PMAX
(Vin-Vout) 40V, P PMAX, Ta=25
1.5 2.2 3.4
0.15 0.4
-
Output Noise Voltage
VNO Ta=25 , 10HZ f 10kHZ, % of Vout
- 0.0003 -
Ripple Rejection Ratio
Long Term Stability
Vo=10V, f=120HZ
RR
CAdj=10
ST
Ta=25 for end point measurement,
1000 Hr
- 65 -
66 80 -
- 0.3 1
Note : Load and line regulation are specified at constant junction temperature.
Change in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used.
UNIT
%/V
%
V
%
mA
A
A
%
dB
%
TYPICAL APPLICATION (PROGRAMMABLE REGULATOR)
VIN VIN VO
Adj
Ci
0.1µF
I Adj
R1
R2
VOUT = 1.25V (1 +
R2
R1
)
+
I Adj
R2
CO
1µF
Ci is required when regulator is located an appreciable distance from power supply filter.
Co is not needed for stability, however, in the range of 1 to 100 of aluminum or tantalum
electrolytic are commonly used to provide improved output impedance and rejection of transients.
Since IAdj is controlled to less then 100 , the error associated with this term is negligible in most applications.
2005. 6. 24
Revision No : 4
2/6


Part Number KIA317FP
Description 3-TERMINAL 1A POSITIVE ADJUSTABLE REGULATOR
Maker KEC
Total Page 6 Pages
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