Multiple-Output Regulator for

Automotive LCD Displays

A8603

37

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

For the latest version of this document, visit our website:

www.allegromicro.com

Revision History

Revision

Revision Date

Description of Revision

–

November 17, 2014

Initial Release

1

January 20, 2015

Added Appendix A

2

March 12, 2015

Removed LP Package option

3

April 13, 2015

Corrected Table 13 title

4

October 9, 2015

Added A8603KESTR-J to Selection Guide; corrected Terminal List Table and Shutdown Timing

Diagram

5

January 5, 2016

Updated Fault Conditions; corrected Package Outline Drawing

6

March 3, 2016

Corrected Packing info in Selection Guide (page 2), Absolute Maximum Rating of FAULT pin

(page 3), and EN pin Pull-Down Resistance (page 7)

7

October 24, 2016

Corrected Pad corner in Pinout Diagram (page 4)

8

January 5, 2017

Updated Boost Controller section (pages 20-21); added wettable flank package option drawings

(pages 1 and 36)

9

January 18, 2017

Corrected pins CP11 to CP21 and CP12 to CP22 in Figure 6: Representative Block Diagram of the

VGL Negative Charge Pump Mode (page 19)

Copyright ©2017, Allegro MicroSystems, LLC

Allegro MicroSystems, LLC reserves the right to make, from time to time, such departures from the detail specifications as may be required to

permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that

the information being relied upon is current.

Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of

Allegro’s product can reasonably be expected to cause bodily harm.

The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its

use; nor for any infringement of patents or other rights of third parties which may result from its use.