SC431L datasheet(7/10 Pages) SEMTECH

Teilenummer	SC431L

Bauteilbeschribung	Low Voltage Adjustable Shunt Regulator

PDF	10 Pages

Scroll/Zoom	100%

Hersteller	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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7 / 10 page

 2008 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC431L

Small-Signal Gain and Phase Shift

vs. Frequency

Reference Impedance

vs. Frequency

Typical Characteristics (Cont.)

Test Circuit - Small-Signal Gain and Phase

Reference Impedance vs.

Junction Temperature

Stability Boundary Condition For Shunt Regulation

vs. Cathode Current and Load Capacitance

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

-50

-25

100

125

150

TJ (°C)

IZ = 0.1 to 100 mA

VZ = VREF

f < 1 kHz

0.01

0.1

100

1.E+03

1.E+04

1.E+05

1.E+06

1.E+07

f (Hz)

TA = 25°C

-20

-10

1.0E+02

1.0E+03

1.0E+04

1.0E+05

1.0E+06

f (Hz)

-630

-585

-540

-495

-450

-405

-360

-315

-270

-225

-180

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0.001

0.01

0.1

CL (µF)

TA = 25°C

VZ = VREF

VZ = 2V

Stable

Test Circuit - Stability

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