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KA337 Datasheet(PDF) 3 Page - ON Semiconductor

Part # KA337
Description  3-Terminal 1.5 A Negative Adjustable Regulator
PDF  9 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

KA337 Datasheet(HTML) 3 Page - ON Semiconductor

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© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
KA337 / LM337 Rev. 1.1.1
2
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-
ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-
tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted.
Electrical Characteristics
VI - VO = 5 V, IO = 40 mA, 0°C ≤ TJ ≤ +125°C, PDMAX = 20 W; unless otherwise specified.
Notes:
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.
Symbol
Parameter
Value
Unit
IVI - VOI
Input-Output Voltage Differential
40
V
PD
Power Dissipation
Internally Limited
W
RθJC
Thermal Resistance, Junction to Case
4
°C/W
TOPR
Operating Temperature Range
0 to +125
°C
TSTG
Storage Temperature Range
-65 to +125
°C
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Rline
Line Regulation(1)
TA = +25°C,
3 V
≤ I VI - VO I ≤ 40 V
0.01
0.04
%/ V
3 V
≤ I VI - VO I ≤ 40 V
0.02
0.07
Rload
Load Regulation(1)
TA = +25°C,
10 mA
≤ IO ≤ 0.5 A
15
50
mV
10 mA
≤ IO ≤ 1.5 A
15
150
IADJ
Adjustable Pin Current
50
100
μA
ΔIADJ
Adjustable Pin Current Change
TA = +25°C,
10 mA
≤ IO ≤ 1.5 A,
3 V
≤ I VI - VO I ≤ 40 V
25
μA
VREF
Reference Voltage
TA =+25°C
-1.213
-1.250
-1.287
V
3 V
≤ I VI - VO I ≤ 40 V,
10 mA
≤ IO ≤ 1.5 A
-1.200
-1.250
-1.300
STT
Temperature Stability
0
°C ≤ TJ ≤ +125°C
0.6
%
IL(MIN)
Minimum Load Current to Maintain
Regulation
3 V
≤ I VI - VO I ≤ 40 V
2.5
10.0
mA
3 V
≤ I VI - VO I ≤ 10 V
1.5
6.0
eN
RMS Noise, % of VOUT
TA =+25°C,
10 Hz
≤ f ≤ 10 kHz
0.003
%
RR
Ripple Rejection Ratio
VO = -10 V, f = 120 Hz
60
dB
CADJ = 10 μF
(2)
66
77
ST
Long-Term Stability
TJ = 125°C, 1000 Hours
0.3
1.0
%



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