Datasheet

LT3743

3743fd

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

REVISION HISTORY

REV DATE DESCRIPTION PAGE NUMBER

A 2/10 Revised Features and Typical Application

Updated Electrical Characteristics values

Revised values on curves G32 and G33 in the Typical Performance Characteristics section

Revised the Block Diagram

Changed value in equation and made minor text edit in the Inductor Selection section

Revised Table 4 values

Added text to Average Current Mode Control Compensation and Board Layout Considerations sections in the

Applications Information section

Revised all Typical Applications drawings

3, 4

21 to 25, 28

B 8/10 Updated Electrical Characteristics values and conditions

Revised Pin Functions

Revised Block Diagram

Changed soft-start current in Operation section

Revised units for M1 and M2 equations

Removed 0.1MHz switching frequency from Table 4

Added text to Switching Frequency Synchronization, Shutdown and UVLO sections in the Applications

Information section

Corrected M2 and M3 part numbers on Typical Applications drawings

3, 4

9, 10

24, 28

C 9/11 Revised Feedback Regulation

Voltage listing in Electrical Characteristics section 3

D 11/12 Clarified V

and V

pins

Clarified Regulated Current vs V

graph

Clarified Minimum Off-Time graph

1, 2, 9, 11, 21-24