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UBA2017 Datasheet(PDF) 29 Page - NXP Semiconductors

Part # UBA2017
Description  600 V fluorescent lamp driver with linear dimming function
PDF  29 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

UBA2017 Datasheet(HTML) 29 Page - NXP Semiconductors

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NXP Semiconductors
UBA2017/UBA2017A
600 V fluorescent lamp driver with linear dimming function
© 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: 15 May 2012
Document identifier: UBA2017
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
16. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 5
7.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.2
Half-bridge driver . . . . . . . . . . . . . . . . . . . . . . . 5
7.2.1
VDD supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.2.2
Low- and high-side drivers . . . . . . . . . . . . . . . . 6
7.2.3
Non-overlap . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.3
Fluorescent lamp control . . . . . . . . . . . . . . . . . 7
7.3.1
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.3.2
Standby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.3.3
Oscillating states (Preheat, Ignition and Burn) . 9
7.3.4
Preheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.3.5
Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7.3.6
Auto-restart . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.3.7
Burn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.3.7.1
Lamp current control and dimming . . . . . . . . . 11
7.3.7.2
Operation without lamp current control. . . . . . 13
7.3.8
Stop state . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.4
Enable and Disable . . . . . . . . . . . . . . . . . . . . 13
7.5
Protection circuits . . . . . . . . . . . . . . . . . . . . . . 13
7.5.1
End-of-life rectifying lamp detection . . . . . . . . 13
7.5.2
End-of-life overvoltage detection . . . . . . . . . . 13
7.5.3
Capacitive mode detection . . . . . . . . . . . . . . . 14
7.5.4
Hard switching protection . . . . . . . . . . . . . . . . 14
7.5.5
Coil saturation protection . . . . . . . . . . . . . . . . 16
7.5.6
Lamp overcurrent protection. . . . . . . . . . . . . . 16
7.5.7
Lamp overvoltage protection . . . . . . . . . . . . . 16
7.5.8
Lamp removal detection . . . . . . . . . . . . . . . . . 16
7.5.9
Temperature protection. . . . . . . . . . . . . . . . . . 16
7.5.10
Fault timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 18
9
Thermal characteristics . . . . . . . . . . . . . . . . . 19
10
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 19
11
Application information. . . . . . . . . . . . . . . . . . 23
11.1
Connecting the IC in an application . . . . . . . . 23
12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 24
13
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 26
14
Legal information. . . . . . . . . . . . . . . . . . . . . . . 27
14.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 27
14.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
14.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 27
14.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 28
15
Contact information . . . . . . . . . . . . . . . . . . . . 28
16
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29



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