microBUCK® PRODUCT FAMILY

SIC413

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

IOUT (A)

96

94

92

90

88

86

84

82

80

78

VIN = 12 V, VO = 3.3 V, FS = 300 kHz

SiC413

Competitor A

SiC413CB versus competitor efficiency

SiC413CB block diagram

COMP

VIN

VREG

VSW

GM

EN

BOOT

FB

PWM

VREG

GND

UVLO

Shutdown

control

OTP

OVP

Control logic and

active dead time

Over

Current

FOSC

5.5 VREG

BOOT

VSW

GND

+ 12 V

VOUT

VIN

VREG

EN

COMP

FB

To System

To Load

SiC413

Controller

SiC413CB typical application circuit

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VMN-PL0427-1210

8/12

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 .