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PDF SDC431 Data sheet ( Hoja de datos )
| Número de pieza | SDC431 | |
| Descripción | Programmable Shunt Regulator | |
| Fabricantes | SDC | |
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MENTProgrammable Shunt Regulator
UGeneral Description
CThe SDC431 is three-terminal adjustable regulator with
Oguaranteed thermal stability over applicable temperature
Dranges. The output voltage can be set to any value
between VREF 2.5V and 36V with two external resistors. It
Lfeatures sharp turn-on characteristic, which makes it ideal
CONFIDENTIAsubstitute for zener diode in many applications.
Datasheet
Features
SDC431
Programmable Precise output voltage from 2.5V to
36V
Low dynamic output impedance 0.15Ω typical
Sink current capability from 1mA to 100mA
Low output noise voltage
Fast turn-on response
Package: SOT-23, TO-92
Applications
Charger
Adapter
Switch power supply
SDC
TO-92
Figure 1. Package Type
SOT-23
December, 2014 Rev. 2.1
©2014 Shaoxing Devechip Microelectronics Co., Ltd.
1/11
www.sdc-semi.com
1 page  
MENTProgrammable Shunt Regulator
UElectrical Characteristics (Ta=25°C,unless otherwise specified.)
CParameter
Symbol
Conditions
DOReference voltage
V REF
V KA =V REF ,
IKA=10mA
A
A1
A2
Deviation of reference input
Lvoltage over temperature
ΔV REF /ΔT
V KA =V REF ,
IKA=10mA
T MIN ≤Ta≤T MAX
IARatio of change in reference
input voltage to the change in
Tcathode voltage
ΔV REF /ΔV
IKA=10m
A
ΔV KA =10V~V REF
ΔVKA=36V~10V
NReference current
EDeviation of reference current
IDover full temperature range
Minimum cathode current for
Fregulation
Off-state cathode current
NDynamic impedance
I REF
ΔI REF/ ΔT
I KA(MIN)
I KA(off)
Z KA
IKA=10mA,
R1=10kΩ, R2=∞
IKA=10mA,
R1=10kΩ, R2=∞,
T MIN ≤Ta≤T MAX
V KA =V REF
VKA =36V, VREF=0V
V KA =V REF ,
IKA=1mA~100mA ≤f1.0kHz
CO Table 3. Electrical Characteristics
Min
2.490
2.475
2.510
—
—
—
—
—
—
—
—
Datasheet
SDC431
Typ
2.500
—
—
4.5
Max
2.510
2.490
2.525
16
Unit
V
mV
-1.0 -2.7
mV/V
-0.5 -2.0
0.8 4 uA
0.4 1.2 uA
0.4 1.0 mA
0.02 1.0 uA
0.15 0.5
Ω
SDC
December, 2014 Rev. 2.1
©2014 Shaoxing Devechip Microelectronics Co., Ltd.
5/11
www.sdc-semi.com
5 Page 
MENTProgrammable Shunt Regulator
Datasheet
SDC431
ENTIAL DOCUShaoxing Devechip Microelectronics Co., Ltd.
CONFID http://www.sdc-semi.com/
SDC
IMPORTANT NOTICE
Information in this document is provided solely in connection with Shaoxing Devechip Microelectronics Co., Ltd. (abbr. SDC) products.
SDC reserves the right to make changes, corrections, modifications or improvements, to this document, and the products and services
described herein at anytime, without notice. SDC does not assume any responsibility for use of any its products for any particular
purpose, nor does SDC assume any liability arising out of the application or use of any its products or circuits. SDC does not convey
any license under its patent rights or other rights nor the rights of others.
© 2014 Devechip Microelectronics - All rights reserved
Contact us:
Headquarters of Shaoxing
Address: Tian Mu Road, No13,
Shaoxing city, Zhejiang province, China
Zip code: 312000
Tel: (86) 0575-8861 6750
Fax: (86) 0575-8862 2882
Shenzhen Branch
Address: 22A, Shangbu building, Nan Yuan Road, No.68,
Futian District, Shenzhen city, Guangdong province, China
Zip code: 518031
Tel: (86) 0755-8366 1155
Fax: (86) 0755-8301 8528
December, 2014 Rev. 2.1
©2014 Shaoxing Devechip Microelectronics Co., Ltd.
11/11
www.sdc-semi.com
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SDC431.PDF ] | |
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