SELM317 [SECOS]
Positive Adjustable Voltage Regulator; 正可调稳压
| 型号： | SELM317 |
| 厂家： | 
SECOS HALBLEITERTECHNOLOGIE GMBH |
| 描述： | Positive Adjustable Voltage Regulator |
| 文件： | 总4页 (文件大小：650K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SELM317
3-Terminal
Elektronische Bauelemente
Positive Adjustable Voltage Regulator
RoHS Compliant Product
Description
The SELM317 is an adjustable 3-terminal positive voltage
regulator, designed to supply more than 1.5A of output
current with voltage adjustable from 1.3 to 37V.
Features
Millimeter
Min. Max.
Millimeter
REF.
REF.
* Safe-Area Compensation For Output Transistor
* Internal Short Circuit Protection
Min.
Max.
4.80
1.00
0.50
9.00
10.4
15.3
A
b
c
D
E
L4
4.40
0.76
0.36
8.60
9.80
14.7
c1
b1
L
e
L1
Ø
1.25
1.17
1.45
1.47
* Internal Over Temperature Protection
* Output Current Up To 1.5A
13.25
14.25
2.54 REF.
2.60
3.71
2.89
3.96
* Output Voltage Adjustable From 1.3 to 37V
L5
6.20
6.60
A1
2.60
2.80
Block Diagram
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 1 of 4
SELM317
3-Terminal
Elektronische Bauelemente
Positive Adjustable Voltage Regulator
Absolute Maximum Ratings at Ta=25oC
Ratings
40
Parameter
Input-Output Voltage Difference
Symbol
Unit
V
o
C
VIN-VOUT
TLEAD
Load Temperature
230
Power Dissipation
Internal
PD
Limited
o
C
Storage Temperature Range
Operating Juction Temperature
TSTG
-65~+150
0~125
o
C
TOPR
Electrical Characteristics (Vi-Vo=5V, 0к< Tj <125к, Io=500mA, IMax=1.5A, PMax=20W, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
TYP
Max
Unit
Ta=25к, 3VЉVi-VoЉ40V
-
-
-
-
-
-
-
0.01
0.02
18
0.04
0.07
25
%/V
%/V
mV
Line Regulation
Load Regulation
ꢀVo
Ta=0~125к, 3VЉVi-Vo<Љ40V
Ta=25к
VoЉ6V
VoЊ5V
VoЉ5V
VoЊ6V
10mAЉIoЉIMax
0.4
40
0.5
70
%/Vo
mV
ꢀVo
10mAЉIoЉIMax
0.8
46
1.5
100
%/Vo
ꢁA
Adjustable Pin Current
IADJ
2.5VЉVi-VoЉ40V,
10mAЉIoЉIMax, PDЉPMax
Adjustable Pin Current Change
ꢀIADJ
-
2.0
5
ꢁA
3VЉVi-VoЉ40V,
10mAЉIoЉIMax, PDЉPMax
Reference Voltage
VREF
1.225
1.25
1.275
V
Temperature Stability
STT
-
0.7
3.5
2.2
0.4
0.003
60
-
%/Vo
mA
Minimum Load Current for Regulation
IL(Min)
Vi-Vo=40V
Vi-VoЉ15V, PDЉPMax
Vi-VoЉ15V, PDЉPMax Ta=25к
Ta=25к, 10HzЉfЉ10KHz
Vo=10V, f=120Hz
-
10
1.5
-
Maximum Output Current
RMS Noise v.s. % of Vout
Ripple Rejection
Io(Max)
eN
A
%/Vo
dB
0.15
-
-
-
0.01
-
-
RR
Vo=10V, f=120Hz, Cadj=10ꢁF
Ta=25к,1000hr
66
-
75
Long-term Stability, Tj=Thigh
ST
0.3
5
1
-
%
Junction to Case Thermal Resistance
Rꢂjc
-
-
к/W
*Note: Testing with low duty pulse should be used to avoid heating effect.
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 2 of 4
SELM317
3-Terminal
Elektronische Bauelemente
Positive Adjustable Voltage Regulator
Characteristics Curve
h tp://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 3 of 4
SELM317
3-Terminal
Elektronische Bauelemente
Positive Adjustable Voltage Regulator
Application Circuit
SELM317
SELM317
SELM317
SELM317
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 4of 4
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