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PDF SN317MD Data sheet ( Hoja de datos )
| Número de pieza | SN317MD | |
| Descripción | Positive Voltage Regulator | |
| Fabricantes | AUK | |
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Semiconductor
http:// www.auk.co.kr
TO-252-3L
SN317Mx
[ 0.5 A Adjustable Output ] Positive Voltage Regulator
Description
The SN317 is an adjustable 3-terminal positive voltage regulator
capable of supplying in excess of 0.5A over an output voltage range of
1.2 V to 37 V. This voltage regulator is exceptionally easy to use and
requires only two external resistors to set the output voltage. Further, it
employs internal current limiting, thermal shutdown and safe area
compensation, making it essentially blow-out proof.
This device can also be used to make a programmable output
regulator, or by connecting a fixed resistor between the adjustment and
output, the SN317 can be used as a precision current regulator.
TO-220F-3L
ORDERING INFORMATION
Product
Marking
Package
SN317MPI
SN317MD
SN317MPI
SN317MD
TO-220F-3L
TO-252-3L
Application
◈ Consumer and personal electronics
◈ SMPS post-regulator / dc-to-dc modules
◈ High-efficiency linear power supplies
◈ LED Light Constant Current Controllers
Features and Benefits
◈ Output Current up to 0.5A
◈ Output Adjustable Level : 1.2V to 37V
◈ Built in OVP, CLP circuit.
◈ Built in TSD Protection.
◈ Output Transistor Safe Area Protection.
◈ Ultra High level of ESD [ Built in ESD Protection Cell ]
Equivalent Circuit
▲ Marking Detail Information
AUK(①)
G△YWW (②)
SN317MPI (③)
① AUK Logo
② Grade & M Code & Year & Week Code
③ Device Code
VIN(3)
Voltage
Reference
+
–
OVP / OCP / ESD
Protection Circuitry
October, 2010 REV. 00
Adj(1)
KSD-I0O010-000
R Limit
VOUT(2)
1
1 page  
SN317Mx
Fig.1 Adjustable Pin Current
vs. Junction Temperature
70
Fig.2 Output Peak Current
vs. Input to Output Differential
1.2
60 1.0
50 0.8
40 0.6
30
20
10
-40
VIN=4.25V
VOUT=1.25V
IOUT=30mA
0 25 50 75 100
Junction Temperature [℃]
125
0.4
0.2
0.0
0 5 10 15 20 25 30 35
Input to Output Differential [V]
Fig.3 Output Voltage vs. Junction Temperature
1.27
1.26
1.25
1.24
1.23
-40 0 25 50 75 100 125
Junction Temperature [℃]
Fig.5 Line Transient Response
150
Input Voltage
20V Fixed 10V
Fig.4 Dropout Voltage vs. Input Voltage
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
-40
VO=100mV
IO=500mA
IO=250mA
0 25 50 75 100 125 150
Junction Temperature [℃]
Fig.6 Load Transient Response
0.5A
Load Current
Fixed 10V
15V 0A
Output Voltage Deviation
50
Output Voltage Deviation
100
0.0 0
-50 -100
CIN=0.1uF, COUT=1.0uF
CIN=0.1uF, COUT=1.0uF
Iout=50mA, Ta=25℃
0 20 40 60 80 100 120 140
Time [us]
VIN=15V, Ta=25℃
0 20 40 60 80 100 120 140
Time [us]
KSD-I0O010-000
5
October, 2010 REV. 00
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SN317MD.PDF ] | |
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