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MAX660

SNOS405B – NOVEMBER 1999 – REVISED MAY 2017

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Copyright © 1999–2017, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Device Comparison Tables................................... 3

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 5

7.1

Absolute Maximum Ratings ...................................... 5

7.2

ESD Ratings ............................................................ 5

7.3

Recommended Operating Conditions ....................... 5

7.4

Thermal Information .................................................. 5

7.5

Electrical Characteristics........................................... 6

7.6

Typical Characteristics .............................................. 7

8

Parameter Measurement Information .................. 9

8.1

MAX660 Test Circuit ................................................. 9

9

Detailed Description ............................................ 10

9.1

Overview ................................................................. 10

9.2

Functional Block Diagram ....................................... 10

9.3

Feature Description................................................. 11

9.4

Device Functional Modes........................................ 11

10

Application and Implementation........................ 12

10.1

Application Information.......................................... 12

10.2

Typical Applications ............................................. 12

10.3

Split V+ in Half ...................................................... 18

11

Power Supply Recommendations ..................... 18

12

Layout................................................................... 19

12.1

Layout Guidelines ................................................. 19

12.2

Layout Example .................................................... 19

13

Device and Documentation Support ................. 20

13.1

Device Support...................................................... 20

13.2

Receiving Notification of Documentation Updates 20

13.3

Community Resources.......................................... 20

13.4

Trademarks ........................................................... 20

13.5

Electrostatic Discharge Caution ............................ 20

13.6

Glossary ................................................................ 20

14

Mechanical, Packaging, and Orderable

Information ........................................................... 20

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision A (October 2016) to Revision B

Page

•

Changed Figure 5 caption from "Efficiency vs Oscillator Frequency" to "Efficiency vs Load Current" ................................. 7

Changes from Original (SNOS405) to Revision A

Page

•

Added additional info to DescriptionDevice Information and Pin Configuration and Functions sections, ESD Ratings

and Thermal Information tables, Feature Description, Device Functional Modes, Application and Implementation,

Power Supply Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and

Orderable Information sections .............................................................................................................................................. 1

•

Deleted obsolete device number information from Device Comparison table ...................................................................... 3

•

Deleted lead temperature spec from Abs Max as it is in POA .............................................................................................. 5

•

Added additional thermal values; changed RθJA from "170°C/W" to "114.4°C/W" ................................................................. 5

•

Changed "PL" to "PM" and "PF" to PJ" - manufacturers changed their part number prefix ............................................... 14

•

Changed "Sprague" to "Vishay Sprague" per website ........................................................................................................ 14