SIC401DB datasheet(9/28 Pages) VISHAY

9 / 28 page

Vishay Siliconix

SiC401A, SiC401BCD

Document Number: 63835

S12-2109-Rev. C, 03-Sep-12

www.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

For technical questions, contact: powerictechsupport@vishay.com

ELECTRICAL CHARACTERISTICS

Load Regulation vs. Temperature - FCM

(VDD = 5 V, VOUT = 1.5 V, SiC401B)

Load Regulation vs. Temperature - P-Save

(VDD = 5 V, VOUT = 1.5 V, SiC401B)

Effiency Variation with VOUT - P-Save

(VDD=5V,VIN=12V,L=2.2µH(4.6m)forVOUT=2.5V,3.3Vand5V,SiC401B)

1.45

1.46

1.47

1.48

1.49

1.5

1.51

1.52

1.53

0123456789

IOUT(A)

VIN=12V,TA=25

VIN=5V,TA=25 C

VIN=12V,TA=-40 C

VIN=5V,TA=-40 C

VIN=12V,TA=85 C

VIN=5V,TA=85 C

1.45

1.46

1.47

1.48

1.49

1.5

1.51

1.52

1.53

IOUT(A)

VIN=12V,TA=25

VIN=5V,TA=25 C

VIN=12V,TA=-40 C

VIN=5V,TA=-40 C

VIN=12V,TA=85 C

VIN=5V,TA=85 C

100

0123456789

IOUT(A)

VOUT=1.5V

VOUT=1V

VOUT=3.3V

VOUT=5V

VOUT=2.5V

Load Regulation vs. Temperature - P-Save

(VDD = 3.3 V, VOUT = 1.5 V, SiC401B)

Load Regulation vs. Temperature - FCM

(VDD = 3.3 V, VOUT = 1.5 V, SiC401B)

Efficiensy/Power Loss vs. P-Save

(VOUT = 1.5 V, VIN = 12 V, SiC401B)

1.45

1.46

1.47

1.48

1.49

1.5

1.51

1.52

1.53

IOUT(A)

VIN=12V,TA=25

VIN=5V,TA=25 C

VIN=12V,TA=-40 C

VIN=5V,TA=-40 C

VIN=12V,TA=85 C

VIN=5V,TA=85 C

1.45

1.46

1.47

1.48

1.49

1.5

1.51

1.52

IOUT(A)

VIN=12V,TA=25

VIN=5V,TA=25 C

VIN=12V,TA=-40 C

VIN=5V,TA=-40 C

VIN=12V,TA=85 C

VIN=5V,TA=85 C

0.05

0.1

0.15

0.2

0.001

0.01

0.1

100

IOUT(A)

ExternalBias

LDOBias

LDOminus

External

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