SIC402DB Ver la hoja de datos (PDF) - Vishay Semiconductors

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SIC402DB

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

Vishay Semiconductors 

www.vishay.com

1.53

1.52

1.51

VIN = 18 V

VIN = 12 V

VIN = 5 V

1.50

1.49

1.48

1.47

0 1 2 3 4 5 6 7 8 9 10

IOUT (A)

Fig. 7 - Load Regulation - FCM

(VDD = 5 V, VOUT = 1.5 V)

1.53

1.52

1.51

VIN = 18 V

VIN = 12 V

VIN = 5 V

1.50

1.49

1.48

1.47

0 1 2 3 4 5 6 7 8 9 10

IOUT (A)

Fig. 8 - Load Regulation - PSM

(VDD = 5 V, VOUT = 1.5 V)

400

350

300

250

200

150

FCM

100

PSM

50

0

0 1 2 3 4 5 6 7 8 9 10

IOUT ( A)

Fig. 9 - Switching Frequency - PSM vs. FCM

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

SiC402A, SiC402BCD

Vishay Siliconix

1.54

1.53

1.52

VIN = 12 V

VIN = 5 V

1.51

1.50

1.49

1.48

1.47

0 1 2 3 4 5 6 7 8 9 10

IOUT (A)

Fig. 10 - Load Regulation - FCM

(VDD = 3.3 V, VOUT = 1.5 V)

1.54

1.53

1.52

VIN = 12 V

VIN = 5 V

1.51

1.50

1.49

1.48

1.47

0 1 2 3 4 5 6 7 8 9 10

IOUT (A)

Fig. 11 - Load Regulation - PSM

(VDD = 3.3 V, VOUT = 1.5 V)

100

95

90

85

VOUT = 5 V

VOUT =3.3 V

VOUT =2.5 V

80

VOUT =1.5 V

VOUT = 1 V

75

0 1 2 3 4 5 6 7 8 9 10

IOUT ( A)

Fig. 12 - Switching Frequency - PSM vs. FCM

(VDD = 5 V, VIN = 12 V)

S14-2048-Rev. C, 13-Oct-14

7

Document Number: 63729

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

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