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KA350 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. KA350
Description  3-Terminal 3A Positive Adjustable Voltage Regulator
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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KA350
2
Absolute Maximum Ratings
Electrical Characteristics
(VI-VO=5V, IO=1.5A, TJ=0
°C to + 125°C; PD ≤ PDMAX, unless otherwise specified)
Note:
1. Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects must be taken
into account separately. Pulse testing with low duty cycle is used.
Parameter
Symbol
Value
Unit
Input Output Voltage Differential
VI - VO
35
VDC
Lead Temperature (Soldering, 10sec)
TLEAD
300
°C
Power Dissipation
PD
Internally limited
-
Operating Temperature Range
TOPR
0 ~ +125
°C
Storage Temperature Range
TSTG
-65 ~ +150
°C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Line Regulation (Note1)
Rline
TA = +25
°C, 3V ≤ VI -VO ≤ 35V
-
0.015
0.03
%/V
Load Regulation (Note1)
Rload
TA = +25
°C, 3V ≤ VI -VO ≤ 35V
VO
≤ 5V
VO
≥ 5V
-5
0.1
25
0.5
mV
%
Adjustment Pin Current
IADJ
-
-
50
100
µA
Adjustment Pin Current
Change
∆IADJ
3V
≤ VI -VO ≤ 35V,
10mA
≤ Io ≤ 3A, PD ≤ PMAX
-
0.2
5.0
µA
Thermal Regulation
REGT
Pulse = 20ms, TA =+ 25
°C
-
0.002
-
%/W
Reference Voltage
VREF
3V
≤ VI -VO ≤ 35V, 10mA ≤ I O ≤ 3A,PD ≤ 30W 1.2
1.25
1.30
V
Line Regulation
Rline
3.0V
≤ VI -VO ≤ 35V
-
0.02
0.07
%/W
Load Regulation
Rload
10mA
≤ I O ≤ 3.0A
VO
≤ 5.0V
VO
≥ 5.0V
-20
0.3
70
1.5
mV
%
Temperature Stability
STT
TJ = 0
°C to + 125°C-
1.0
-
%
Maximum Output
Current
Io(MAX)
VI -VO
≤ 10V, PD ≤ PMAX
3.0
4.5
-
A
VI -VO = 30V, PD
≤ PMAX,TA = +25°C
0.25
1.0
-
A
Minimum Load Current
IL(MIN)
VI -VO = 35V
-
3.5
10
mA
RMS Noise, %of VOUT
VN
10Hz
≤ f ≤ 10KHz, TA= +25 °C
-
0.003
-
%/Vo
Ripple Rejection
RR
VO = 10V, f = 120Hz,
CADJ = 0
CADJ = 10
µF66
65
80
-dB
dB
Long-Term Stability
ST
TJ =+125
°C
-
0.3
1
%/
1000HR




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