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PDF SN431 Data sheet ( Hoja de datos )
| Número de pieza | SN431 | |
| Descripción | Programmable Voltage Reference | |
| Fabricantes | Kodenshi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SN431 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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SN431/SNF431
Programmable Voltage Reference
◈ Description
The SN431 series are 3-terminal precision shunt regulators that are programmable over a wide voltage range of
2.495V to 36V with ±0.3%, ±0.5%, ±1.0% tolerance. The SN431 series have a low dynamic impedance of 0.15Ω.
These features make the SN431 series an excellent replacement for zener diodes in numerous applications circuits
that require a precision reference voltage.
◈ Features
Programmable output voltage from 2.495V to 36V
Voltage reference tolerance : ±0.3%, ±0.5%, ±1.0%
Cathode current capability of 1mA to 100mA
◈ Pin Assignment
(Top View)
A
RAK
PKG : SOT-89
Apply Device : SN431xF
(Top View)
(Top View)
(Top View)
(1)K
(2)R
(3)A
PKG : SOT-23
Apply Device : SN431xS
(Marking Side View)
(1)R
(2)K
(3)A
PKG : SOT-23
Apply Device : SNF431xS
(Marking Side View)
A
NC
NC
K
R
RA K
RAK
PKG : SOT-25
Apply Device : SN431xN
PKG : TO-92
Apply Device : SN431x
PKG : TO-92M
Apply Device : SN431xM
[ K : Cathode, A: Anode, R : Reference ]
KSD-I0A013-009
1
1 page  
◈ Electrical Characteristic Curves
Fig.4 Vref vs TA
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-60 -40 -20
0
VKA=Vref
IK=10mA
20 40 60 80
Ambient Temperature - TA [℃]
100
SN431/SNF431
Fig.5 Iref vs TA
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-60
IK=10mA
R1=10KΩ
R2=∞
-40 -20 0 20 40 60 80
Ambient Temperature - TA [℃]
100
150
125
100
75
50
25
0
-25
-50
-75
-100
-125
-150
-2
Fig.6 IKA vs VKA
VKA=Vref
TA=25℃
-1 0 1 2
Cathode Voltage - VKA [V]
3
Fig.8 Ioff vs TA
4.0
3.5 VKA= 36V
3.0 Vref=0V
2.5
2.0
1.5
1.0
0.5
0.0
-60
-40 -20 0 20 40 60 80
Ambient Temperature - TA [℃]
100
800
700
600
500
400
300
200
100
0
-100
-200
-1
Fig.7 IKA vs VKA
VKA=Vref
TA=25℃
012
Cathode Voltage - VKA [V]
3
Fig.9 △Vref vs VKA
0
-5 IK=10mA
TA=25℃
-10
-15
-20
-25
0 4 8 12 16 20 24 28 32 36 40
Cathode Voltage - VKA [V]
KSD-I0A013-009
5
5 Page 
◈ SOT-25 Outline Dimension (unit : mm)
SN431/SNF431
※ Recommend PCB solder land [Unit: mm]
KSD-I0A013-009
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet SN431.PDF ] | |
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