microBUCK® PRODUCT FAMILY

Transient response in continuous conduction mode

(6 A - 0.2 A)

(VIN = 12 V. VOUT = 1 V. FSW = 500 kHz)

SIC401A/B, SIC402A/B, and SIC403A/B (continued...)

Transient response in continuous conduction mode

(0.2 A - 6 A)

(VIN = 12 V. VOUT = 1 V. FSW = 500 kHz)

Output Voltage

50 mV/div.

5 µs/div.

AC Coupling

Output Current

2 A/div.

5 µs/div.

Output Voltage

50 mV/div. 5 µs/div.

AC Coupling

Output Current

2 A/div.

5 µs/div.

TYPICAL APPLICATION CIRCUIT

PAD 1

AGND

PAD 3

LX

PAD 2

VIN

PGND

LX

PGND

PGND

PGND

PGND

PGND

17

18

19

20

21

BST

VIN

FBL

AGND

VDD

VOUT

FB

1

2

3

4

5

7

6

8

SS

24

LX

23

22

VIN

VOUT

VOUT

PGOOD

3.3 V

EN/PSV (Tri-State)

LDO_EN

SiC403B (MLP 5 x 5-32L)

31 30 29

25

26

27

28

32

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

VMN-PL0427-1210

5/12

PRODUCT OVERVIEW

POWER ICS

ON

AND TEC

1 9 6 2 - 2 0 1 2

VI SH AY I N TE R TE C H N O L OGY, I NC .