SIC437 datasheet(13/27 Pages) VISHAY

13 / 27 page

SiC437, SiC438

www.vishay.com

Vishay Siliconix

S20-0679-Rev. D, 27-Aug-2020

Document Number: 75921

For technical questions, contact: powerictechsupport@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

ELECTRICAL CHARACTERISTICS



(VIN = 12 V, VOUT = 1.2 V, fsw = 500 kHz, COUT = 47 μF x 7, CIN = 10 μF x 6, unless otherwise noted)

Fig. 34 - On-Resistance vs. Junction Temperature

Fig. 35 - Voltage reference vs. Junction Temperature

Fig. 36 - EN Current vs. Junction Temperature

Fig. 37 - EN Logic Threshold vs. Junction Temperature

Fig. 38 - Input Current vs. Input Voltage

Fig. 39 - Input Current vs. Junction Temperature

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

-60

-40

-20

100 120 140

Temperature (°C)

592

594

596

598

600

602

604

606

608

-60 -40 -20

100 120 140

Temperature (°C)

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

-60 -40 -20

100 120 140

Temperature (°C)

EN = 5 V

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

-60 -40 -20

100 120 140

Temperature (°C)

VIH_EN

VIL_EN

100

Input Voltage (V)

100

-60

-40

-20

100 120 140

Temperature (°C)

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