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SSL21083AT 数据表(PDF) 22 Page - NXP Semiconductors

部件名 SSL21083AT
功能描述  Compact non-dimmable LED driver IC
PDF  23 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

SSL21083AT 数据表(HTML) 22 Page - NXP Semiconductors

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NXP Semiconductors
SSL21083AT
Compact non-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: 4 October 2013
Document identifier: SSL21083AT
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Quick reference data . . . . . . . . . . . . . . . . . . . . . 3
5
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
5.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
7.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
8
Functional description . . . . . . . . . . . . . . . . . . . 6
8.1
Converter operation . . . . . . . . . . . . . . . . . . . . . 6
8.2
Valley detection. . . . . . . . . . . . . . . . . . . . . . . . . 7
8.3
Protective features . . . . . . . . . . . . . . . . . . . . . . 8
8.3.1
UnderVoltage LockOut (UVLO) . . . . . . . . . . . . 8
8.3.2
Leading-Edge Blanking (LEB) . . . . . . . . . . . . . 8
8.3.3
OverCurrent Protection (OCP) . . . . . . . . . . . . . 8
8.3.4
OverTemperature Protection (OTP) . . . . . . . . . 8
8.3.5
Brownout protection . . . . . . . . . . . . . . . . . . . . . 9
8.3.6
Output Short-circuit Protection (OSP). . . . . . . . 9
8.4
VCC supply. . . . . . . . . . . . . . . . . . . . . . . . . . . 10
8.5
DVDT pin supply (dV/dt) . . . . . . . . . . . . . . . . . 10
8.6
VCC regulator . . . . . . . . . . . . . . . . . . . . . . . . . 10
8.7
NTC functionality and PWM regulation. . . . . . 10
8.7.1
Soft-start function . . . . . . . . . . . . . . . . . . . . . . 11
8.8
Heat sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13
10
Thermal characteristics . . . . . . . . . . . . . . . . . 13
11
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 14
12
SSL21083AT buck configuration . . . . . . . . . . 16
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
14
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 18
15
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 19
17
Legal information. . . . . . . . . . . . . . . . . . . . . . . 20
17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 20
17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
17.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
17.4
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
18
Contact information. . . . . . . . . . . . . . . . . . . . . 21
19
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22



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