NXP Semiconductors

SSL2115X

Low-cost non-dimmable LED driver IC

© NXP B.V. 2012.

All rights reserved.

For more information, please visit: http://www.nxp.com

For sales office addresses, please send an email to: salesaddresses@nxp.com

Date of release: 7 June 2012

Document identifier: SSL2115X

Please be aware that important notices concerning this document and the product(s)

described herein, have been included in section ‘Legal information’.

18. Contents

1

General description . . . . . . . . . . . . . . . . . . . . . . 1

2

Features and benefits . . . . . . . . . . . . . . . . . . . . 1

3

Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

4

Quick reference data . . . . . . . . . . . . . . . . . . . . . 2

5

Ordering information . . . . . . . . . . . . . . . . . . . . . 2

6

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3

7

Pinning information . . . . . . . . . . . . . . . . . . . . . . 3

7.1

Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

7.2

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3

8

Functional description . . . . . . . . . . . . . . . . . . . 4

8.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

8.2

Current source operation . . . . . . . . . . . . . . . . . 4

8.3

Leading-Edge Blanking (LEB) . . . . . . . . . . . . . 5

8.4

dV/dt detection . . . . . . . . . . . . . . . . . . . . . . . . . 5

8.5

8.6

Supply concepts VCC and UnderVoltage

LockOut (UVLO) . . . . . . . . . . . . . . . . . . . . . . . . 5

8.7

Peak current detection . . . . . . . . . . . . . . . . . . . 5

8.8

LED OverTemperature Protection (OTP) . . . . . 5

8.9

LED Output Short-circuit Protection (OSP). . . . 5

8.10

Output LED open-circuit protection . . . . . . . . . 5

8.11

Operational limits . . . . . . . . . . . . . . . . . . . . . . . 6

9

Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 7

10

Thermal characteristics . . . . . . . . . . . . . . . . . . 7

11

Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 8

12

Application information. . . . . . . . . . . . . . . . . . . 9

13

Package outline . . . . . . . . . . . . . . . . . . . . . . . . 10

14

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 11

15

Revision history . . . . . . . . . . . . . . . . . . . . . . . . 12

16

Legal information. . . . . . . . . . . . . . . . . . . . . . . 13

16.1

Data sheet status . . . . . . . . . . . . . . . . . . . . . . 13

16.2

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

16.3

Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

16.4

Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 14

17

Contact information. . . . . . . . . . . . . . . . . . . . . 14

18

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15