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| LM350_08 Datasheet, PDF (6/14 Pages) STMicroelectronics – Three-terminal 3 A adjustable voltage regulators | |||
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Electrical characteristics
4
Electrical characteristics
LM350
Table 4.
Electrical characteristics (VI -VO = 5V, IO = 1.5 A. Although power dissipation is internally
limited, these specifications apply to power dissipation up to 30 W, unless otherwise
specified)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
KVI Line regulation (1)
KVO Load regulation (1)
Thermal regulation
Ta = 25°C, VI - VO = 3 to 35 V
Ta = 25°C
IO = 10 mA to 3 A
VO â¤5 V
VO ⥠5 V
Pulse = 20 ms
0.005 0.03
5
25
0.1 0.5
0.002 0.02
%/V
mV
%
%/W
IADJ
ÎIADJ
Adjustment pin current
Adjustment pin current
change
IL = 10 mA to 3 A, VI - VO = 3 to 35 V
50 100 µA
0.2
5
µA
VREF Reference voltage
VI - VO = 3 to 35 V, IO = 10 mA to 3 A
P â¤30 W
1.19 1.24 1.29 V
KVI Line regulation (1)
VI - VO = 3 to 35 V
0.02 0.05 %/V
KVO Load regulation (1)
IO = 10 mA to 3 A
VO â¤5 V
VO ⥠5 V
20
70
mV
0.3 1.5
%
KVT Temperature stability
TJ = TMIN to TMAX
1
%
IO(MIN) Minimum load current
VI - VO â¤35 V
3.5 10 mA
IO(MAX) Current limit
DC
3
4.5
VI - VO â¤10 V
A
VI - VO = 30 V
1
VNO
RMS output noise
(% of VO)
Ta = 25°C, f = 10 Hz to 10 kHz
0.001
%
RVF Ripple rejection ratio
VO = 10 V, f = 120 Hz
CADJ = 10 µF
65
dB
66
86
KVH Long term stability
Ta = 125°C
0.3
1
%
1. Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects are taken into
account separately by thermal rejection.
6/14
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