SPX431LAM 查看數據表（PDF） - Signal Processing Technologies

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SPX431LAM

Precision Adjustable Shunt Regulator

Signal Processing Technologies 

ELECTRICAL CHARACTERISTICS

Electrical characteristics at 25°C IK = 10mA VK = VREF, unless otherwise specified.

PARAMETER

SYMBOL FIGURE

SPX431LC

Reference Voltage

VREF

2

∆VREF withTemp.*

TC

2

Ratio of Change in VREF ∆ VREF

3

to Cathode Voltage

∆VK

Reference Input Current IREF

3

IREF Temp Deviation

∆IREF

3

Min IK for Regulation

IK(MIN)

2

Off State Leakage

IK(OFF)

4

Dynamic Output

Impedance

ZKA

2

Operating Range (TJ) = 0°C to 105°C.

* See appropiate test circuit (Figure 2)

CONDITIONS

VREF to 10V

10V to 20V

TJ = 0°C to 105°C

VREF = 0V, VKA = 16V

ƒz ≤ 1kHz

IK = 1 to 100mA

MIN

2.445

-2.7

-2.0

TYP

2.495

0.07

-1.0

-0.4

0.7

0.4

0.4

0.04

0.15

MAX UNITS

2.545

0.20

0.3

4.0

1.2

1.0

1.0

0.5

V

mV/°C

mV/V

µA

µA

mA

µA

Ω

CALCULATING AVERAGE TEMPERATURE COEFFICIENT (TC)

ppm %

mV

0

0

0

-10

5000 0.5

∆VREF

∆T

0

15 30 45 60 75 90 105

Junction Temperature (°C)

0.07 mV/°C

0.003 %/°C

27 ppm/°C

Figure 1. VREF VS Temperature.

• TC in mV/°C = ∆VREF (mV)

∆TA

( ) • TC in %/°C =

∆VREF

∆VREF at 25°C

x 100

∆TA

( ) • TC in ppm/°C =

∆VREF

∆VREF at 25°C

x 106

∆TA

Date: 5/25/04

SPX431L Precision Adjustable Shunt Regulator

3

© Copyright 2004 Sipex Corporation5

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