RS431 Orister Corporation, RS431 Datasheet

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RS431

Manufacturer Part Number
RS431
Description
Adjustable Precision Shunt Regulator
Manufacturer
Orister Corporation
Datasheet
RS431 Series
Adjustable Precision Shunt Regulator
Description
The RS431 series are three-terminal adjustable regulators with
guaranteed thermal stability over applicable temperature ranges. The
output voltage may be set to any value between V
volts) and 36 volts with two external resistors. These devices have a
typical dynamic output impedance of 0.2Ω. Active output circuitry provides
a very sharp turn-on characteristic, making these devices excellent
replacement for zener diodes in many applications.
Features
• Programmable Precise Output Voltage from 2.5V to 36V
• High Stability under Capacitive Load
• Low Temperature Deviation: 4.5mV Typical
• Low Dynamic Output Resistance: 0.2Ω Typical
• Sink Current Capacity from 1mA to 100 mA
• Low Output Noise
• Wide Operating Range of -40 to 125
• Low Equivalent Full-range Temperature Coefficient with 20PPM/
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified)
Operating Conditions
Operating Ambient Temperature Range
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Power Dissipation
Operating Temperature Range (Max.)
Storage Temperature Range
Cathode Voltage
Cathode Current Range (Continuous)
DS-RS431-03 October, 2007
Characteristics
Characteristics
o
C
REF
Symbol
Symbol
V
I
T
V
T
P
REF
(approximately 2.5
I
I
opr
stg
KA
KA
K
K
D
o
C Typical
SOT-23
TO-92
Min.
V
-40
--
--
REF
1
-100~+150
-40~+125
0.05~+10
-65~+150
Value
40
3
RS431 Series Pin Assignment
1
2
*
1 2
Max.
370
770
100
125
36
--
--
3
3-Lead Plastic SOT-23
Package Code: N
Pin 1: Reference
Pin 2: Cathode
Pin 3: Anode
3-Lead Plastic TO-92
Package Code: A
Pin 1: Reference
Pin 2: Anode
Pin 3: Cathode
www.Orister.com
Page No. : 1/1
Unit
Unit
mW
mA
mA
mA
o
o
o
V
V
C
C
C

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RS431 Summary of contents

Page 1

... RS431 Series Adjustable Precision Shunt Regulator Description The RS431 series are three-terminal adjustable regulators with guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between V volts) and 36 volts with two external resistors. These devices have a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacement for zener diodes in many applications ...

Page 2

... Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage (Fig2) Reference Input Current Deviation of Reference Input Current Over (Fig2) Full Temperature Range Minimum Cathode Current for Regulation (Fig3) Off-State Cathode Current (Fig1) Dynamic Output Impedance DS-RS431-03 October, 2007 Symbol Fig 2. V >V K REF ...

Page 3

... Typical Performance Characteristics DS-RS431-03 October, 2007 Page No. : 3/3 www.Orister.com ...

Page 4

... Typical Performance Characteristics (Continued) DS-RS431-03 October, 2007 Page No. : 4/4 www.Orister.com ...

Page 5

... Typical Performance Characteristics (Continued) DS-RS431-03 October, 2007 Page No. : 5/5 www.Orister.com ...

Page 6

... E F 3-Lead TO-92 Plastic Package Package Code: A Ordering Information Package SOT-23 TO-92 DS-RS431-03 October, 2007 Marking Note: Pb-free product can distinguish by the green label or the extra description on the right side of the label. Pin Style: 1.Reference 2.Cathode 3.Anode Material: • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free) • ...

Page 7

... Peak Temperature ( Time within actual Peak Temperature ( Ramp-down Rate o Time Peak Temperature 3. Flow (wave) soldering (solder dipping) Products Pb devices. Pb-Free devices. DS-RS431-03 October, 2007 o o C~35 C Humidity=65%±15 Ramp- Preheat Ramp-down Peak Time Sn-Pb Eutectic Assembly o < ...

Page 8

... Orister Corporation reserves the right to make changes to its products without notice. • Orister Corporation products are not warranted to be suitable for use in Life-Support Applications, or systems. • Orister Corporation assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. DS-RS431-03 October, 2007 Page No. : 8/8 www.Orister.com ...

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