SIC402A datasheet(8/26 Pages) VISHAY

Part #	SIC402A

Description	10 A microBUCK SiC402A/B Integrated Buck Regulator with Programmable LDO

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Manufacturer	VISHAY [Vishay Siliconix]

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Document Number: 63729

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

Vishay Siliconix

SiC402A, SiC402BCD

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

Figure 7 - Load Regulation - FCM

(VDD = 5 V, VOUT = 1.5 V)

Figure 8 - Load Regulation - PSM

(VDD = 5 V, VOUT = 1.5 V)

Figure 9 - Switching Frequency - PSM vs. FCM

(VDD = 5 V, VOUT = 1.5 V, VIN = 12 V)

IOUT

OUT

(A)

IOUT

OUT

(A)

0

50

100

150

200

250

300

350

400

0

1

2

3

4

5

6

7

8

9

10

FCM

PSM

IOUT (A)

Figure 10 - Load Regulation - FCM

(VDD = 3.3 V, VOUT = 1.5 V)

Figure 11 - Load Regulation - PSM

(VDD = 3.3 V, VOUT = 1.5 V)

Figure 12 - Switching Frequency - PSM vs. FCM

(VDD = 5 V, VIN = 12 V)

IOUT

OUT

(A)

1.47

1.48

1.49

1.50

1.51

1.52

1.53

1.54

0123456789

10

IOUT

OUT

(A)

75

80

85

90

95

100

0

1

2

3

4

5

6

7

8

9

10

VOUT = 5 V

VOUT =3.3 V

VOUT =2.5 V

VOUT =1.5 V

VOUT = 1 V

IOUT (A)

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