Document Number: 63388

S13-0248-Rev. B, 04-Feb-13

www.vishay.com

3

Vishay Siliconix

SiC414, SiC424

This document is subject to change without notice.

FUNCTIONAL BLOCK DIAGRAM

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only,

and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is

not implied. Exposure to absolute maximum rating/conditions for extended periods may affect device reliability.

Electrical Parameter

Conditions

Limits

Unit

- 0.3 to + 30

V

LX

- 0.3 to + 30

LX (transient < 100 ns)

- 2 to + 30

to GND

- 0.3 to + (V5V + 0.3)

to GND

- 0.3 to + (V5V + 0.3)

V5V

- 0.3 to + 6

- 0.3 to + (V5V - 1.5)

BST

to LX

- 0.3 to + 6

- 0.3 to + 35

ENL

- 0.3 to + 0.3

Temperature

Maximum Junction Temperature

150

°C

Storage Temperature

- 65 to 150

Power Dissipation

b

IC Section

43

°C/W

Maximum Power Dissipation

Ambient Temperature = 25 °C

3.4

W

Ambient Temperature = 100 °C

1.3

ESD Protection

HBM

2

kV

Gate Drive

Control

On-Time

Generator

+

-

Zero Cross

Detector

FB Comparator

Soft Start

Reference

V5V

2

22

25

3, 26, PAD1

V5V

Control and Status

EN/PSV

1

27

4

6

FB

TON

Valley1-Limit

Bypass Comparator

A

B

Y

LDO

28

ENL

MUX

V5V

DL

23

7

BST

LX

V5V

13, 14, 16 to 19

12, 15, 20, 21,

24 PAD3

5, 8 to 11, PAD2