RS431_09 datasheet(3/10 Pages) ORISTER

Part #	RS431

Description	Adjustable Precision Shunt Regulator

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Manufacturer	ORISTER [Orister Corporation]

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DS‐RS431‐09 September, 2009

www.Orister.com

Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified)

Characteristics

Symbol

Value

Unit

Cathode Voltage

VKA

40

V

Cathode Current Range (Continuous)

IK ‐100 ‐ +150

mA

Reference Input Current Range

IREF

0.05 ‐ +10

mA

SOT‐23

370

TO‐92

770

‐‐

Power Dissipation

PD

‐‐

mW

Operating Temperature Range (Max.)

TOPR ‐40 ‐ +125

oC

Storage Temperature Range

TSTG ‐65 ‐ +150

oC

Operating Conditions

Characteristics

Symbol

Min.

Max.

Unit

Cathode Voltage

VKA

VREF

36

V

Cathode Current Range (Continuous)

IK

1

100

mA

Operating Ambient Temperature Range

TOPR ‐40

125

oC

Electrical Characteristics (T

A=25°C, unless otherwise specified)

Characteristics

Symbol

Test Conditions

Min

Typ

Max

Unit

2.5V ±0.4%

2.49

2.50

2.51

Reference Input Voltage (Fig1)

2.5V ±0.8%

VREF

VK=VREF, IK=10mA

2.48

2.50

2.52

V

Deviation of Reference Input Voltage Over‐

Temperature (Fig1)

VREF(dev)

VK=VREF, IK=10mA

TMIN≤TA≤TMAX (‐40 ‐ +125

oC)

‐

4.5

16

mV

IK=10mA,, ΔVK=10V to VREF ‐

1.0

2.7

mV/V

Ratio of Change in Reference Input Voltage to the

Change in Cathode Voltage (Fig2)

ΔV

REF/ΔVK

IK=10mA,, ΔVK=36V to 10V ‐

0.5

2.0

mV/V

Reference Input Current (Fig2)

IREF

IK=10mA, R1=10KΩ, R2=∞

‐

0.7

4

uA

Deviation of Reference Input Current Over Full

Temperature Range (Fig2)

IREF(dev)

IK=10mA, R1=10KΩ

R2=∞, Ta=‐40 ‐ +125

oC

‐

0.4

1.2

uA

Minimum Cathode Current for Regulation (Fig1)

IK(min)

VK=VREF ‐

0.4

1.0

mA

Off‐State Cathode Current (Fig3)

IK(off)

VK=36V, VREF=0 ‐

0.05

1.0

uA

Dynamic Output Impedance (Fig1)

ZK

VK=VREF, f≤1kHz, IK=1 to 100mA ‐

0.15

0.5 Ω

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