NXP Semiconductors
SSL2129AT
Dimmable LED driver IC
© NXP B.V. 2013. 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: 3 October 2013
Document identifier: SSL2129AT
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. . . . . . . . . . . . . . . . . . . . . . 4
7.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
8 Functional description . . . . . . . . . . . . . . . . . . . 5
8.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8.2 Converter operation . . . . . . . . . . . . . . . . . . . . . 5
8.3 Driver pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8.4 Valley detection. . . . . . . . . . . . . . . . . . . . . . . . . 6
8.5 Protective features . . . . . . . . . . . . . . . . . . . . . . 7
8.5.1 UnderVoltage LockOut (UVLO) . . . . . . . . . . . . 7
8.5.2 Leading-Edge Blanking (LEB) . . . . . . . . . . . . . 7
8.5.3 OverCurrent Protection (OCP) . . . . . . . . . . . . . 7
8.5.4 OverTemperature Protection
(OT
P) . . . . . . . . . 7
8.5.5 Brownout protection . . . . . . . . . . . . . . . . . . . . . 8
8.6 t
on
control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8.7 Output Short-circuit Protection (OSP). . . . . . . . 8
8.8 VCC supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.8.1 VCC regulator. . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.9 NTC functionality and PWM dimming. . . . . . . . 9
8.9.1 Soft-start function . . . . . . . . . . . . . . . . . . . . . . 10
9 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 11
10 Thermal characteristics . . . . . . . . . . . . . . . . . 11
11 Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . 12
12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 14
13 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 15
14 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
15 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 16
16 Legal information. . . . . . . . . . . . . . . . . . . . . . . 17
16.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 17
16.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
16.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
16.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 18
17 Contact information. . . . . . . . . . . . . . . . . . . . . 18
18 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SSL2129AT/1J

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
IC LED DRIVER OFFLINE DIM 8SO
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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