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LM317AK

更新时间: 2024-02-27 10:49:21
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SEME-LAB /
页数 文件大小 规格书
7页 300K
描述
POSITIVE ADJUSTABLE VOLTAGE REGULATOR

LM317AK 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknown风险等级:5.59
Base Number Matches:1

LM317AK 数据手册

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POSITIVE ADJUSTABLE  
VOLTAGE REGULATOR  
(1)(3)  
ELECTRICAL CHARACTERISTICS  
(T = 25°C unless otherwise stated)  
C
LM117, IP117, LM117HV, IP117HV  
Test Conditions  
Symbols  
Parameters  
Min. Typ Max. Units  
I
= 10mA  
1.200 1.250 1.300  
OUT  
V
Reference Voltage  
V
10mA I  
I  
, P P  
MAX  
,
REF  
OUT MAX  
3V (V -V ) V  
1.200 1.250 1.300  
IN OUT MAX  
3V (V -V  
) V  
,
0.010 0.020  
%/V  
0.020 0.050  
V  
OUT  
IN OUT MAX  
= 10mA  
(2)  
Line Regulation  
I
V  
OUT  
IN  
V
V
V
V
5V  
5V  
5V  
5
15  
0.3  
50  
mV  
%
OUT  
OUT  
OUT  
OUT  
0.1  
20  
0.3  
V
OUT  
I
OUT  
(2)(3)  
10mA  
V
I
I  
Load Regulation  
OUT MAX  
mV  
%
5V  
1.0  
= 14.58V, I  
= 1.5A,  
OUT  
IN  
= 20W, T = 25°C, 20ms Pulse  
Thermal Regulation  
Ripple Rejection  
0.030 0.070  
%/W  
dB  
P
D
A
V
= 10V  
C
= 0  
ADJ  
65  
80  
OUT  
f = 120Hz  
C
= 10µF  
66  
ADJ  
I
Adjust Pin Current  
50  
100  
5
ADJ  
µA  
10mA  
I
I
,
OUT MAX  
)
I
Adjust Pin Current Change  
0.2  
ADJ  
2.5V (V -V  
V  
IN OUT  
(V - V  
MAX  
40V  
)
OUT  
=
3.5  
3.5  
2.2  
0.5  
0.1  
5
7
IN  
I
Minimum Load Current  
mA  
MIN  
(V - V  
IN  
) = 60V (HV Series)  
OUT  
(V - V  
IN  
)
15V  
1.5  
0.3  
OUT  
I
(V - V  
IN  
) = 40V  
Current Limit  
A
CL  
OUT  
(V - V  
IN  
) = 60V (HV Series)  
OUT  
V  
OUT  
Temperature Stability  
1.0  
0.3  
TEMP  
V  
OUT  
TIME  
T
= 125°C, 1000Hrs  
%
Long Term Stability  
RMS Output Noise  
1.0  
A
e
T = 25°C, 10Hz f 10KHz  
0.001  
n
A
(% of V  
)
OUT  
Notes  
The denotes the specifications which apply over the full operating temperature range.  
(1) Test conditions unless otherwise stated: V - V  
IN OUT  
= 5V, I  
= 0.5A, P  
= 20W, I  
MAX MAX  
= 1.5A  
OUT  
(2) Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating  
effects are covered under thermal regulation specifications. Load regulation is measured at 1/8” below the bottom of the package.  
(3)  
V
V
= 40V for LM117, IP117, LM117A, IP117A, LM317, IP317, LM317A, IP317A  
MAX  
MAX  
= 60V for LM117HV, IP117HV, LM117AHV, IP117AHV, LM317HV, IP317HV, LM317AHV, IP317AHV  
Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB  
Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: sales@semelab-tt.com  
Document Number 8375  
Issue 1  
Page 2 of 7  
Website: http://www.semelab-tt.com  

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