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KA337 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. KA337
Description  3-Terminal 1.5A Negative Adjustable Regulator
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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KA337
2
Absolute Maximum Ratings
Electrical Characteristics
(VI - VO = 5V, IO = 40mA, 0
°C ≤ TJ ≤ +125°C, PDMAX = 20W, unless otherwise specified)
Note:
1. 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.
2. CADJ, when used, is connected between the adjustment pin and ground.
Parameter
Symbol
Value
Unit
Input-Output Voltage Differential
IVI - VOI40
V
Power Dissipation
PD
Internally limited
W
Operating Temperature Range
TOPR
0 ~ +125
°C
Storage Temperature Range
TSTG
-65 ~+125
°C
Parameter
Symbol
Conditions
Min
Typ.
Max.
Unit
Line Regulation (Note1)
Rline
TA = +25
°C
3V
I VI - VO I ≤ 40V
-0.01
0.04
%/ V
3V
I VI - VO I ≤ 40V
-
0.02
0.07
Load Regulation (Note1)
Rload
TA = +25
°C
10mA
≤ IO ≤ 0.5A
-15
50
mV
10mA
≤ IO ≤ 1.5A
-
15
150
Adjustable Pin Current
IADJ
-
-
50
100
µA
Adjustable Pin Current
∆IADJ
TA =+ 25
°C
10mA
≤ IO ≤ 1.5A
3V
I VI - VO I ≤ 40V
-2
5
µA
TA =+ 25
°C
-1.213
-1.250
-1.287
Reference Voltage
VREF
3V
I VI - VO I ≤ 40V
10mA
≤ IO ≤ 1.5A
-1.200
-1.250
-1.300
V
Temperature Stability
STT
0
°C ≤ Τj ≤ +125°C
-
0.6
-
%
Minimum Load Current to Maintain
Regulation
IL(MIN)
3V
I VI - VO I ≤ 40V
-
2.5
10
3V
I VI - VO I ≤ 10V
-
1.5
6
mA
Output Noise
eN
TA =+25
°C 10Hz ≤ f ≤10KHz
-
3
×VOUT
-V/106
Ripple Rejection Ratio
RR
VO = -10V, f = 120Hz
-
60
-
CADJ = 10
µF (Note2)
66
77
-
dB
Long Term Stability
ST
TJ = 125
°C ,1000Hours
-
0.3
1
%
Thermal Resistance Junction to Case
R
θJC
--
4
-
°C/ W




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