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LM350K 数据表(PDF) 6 Page - STMicroelectronics

部件名 LM350K
功能描述  Three-terminal 3 A adjustable voltage regulators
Download  14 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LM350K 数据表(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
LM350
6/14
4
Electrical characteristics
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)
1.
Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects are taken into
account separately by thermal rejection.
Ta = 25°C, VI - VO = 3 to 35 V
0.005
0.03
%/V
KVO
Load regulation (1)
Ta = 25°C
IO = 10 mA to 3 A
VO ≤5 V
5
25
mV
VO ≥ 5 V
0.1
0.5
%
Thermal regulation
Pulse = 20 ms
0.002
0.02
%/W
IADJ
Adjustment pin current
50
100
µA
ΔIADJ
Adjustment pin current
change
IL = 10 mA to 3 A, VI - VO = 3 to 35 V
0.2
5
µA
VREF
Reference voltage
VI - VO = 3 to 35 V, IO = 10 mA to 3 A
P
≤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 ≤5 V
20
70
mV
VO ≥ 5 V
0.3
1.5
%
KVT
Temperature stability
TJ = TMIN to TMAX
1%
IO(MIN) Minimum load current
VI - VO ≤35 V
3.5
10
mA
IO(MAX) Current limit
VI - VO ≤10 V
DC
3
4.5
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
65
dB
CADJ = 10 µF
66
86
KVH
Long term stability
Ta = 125°C
0.3
1
%


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