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UBA2021 датащи(PDF) 16 Page - NXP Semiconductors

номер детали UBA2021
подробное описание детали  630 V driver IC for CFL and TL lamps
PDF  16 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

UBA2021 датащи(HTML) 16 Page - NXP Semiconductors

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NXP Semiconductors
UBA2021
630 V driver IC for CFL and TL lamps
© NXP B.V. 2008.
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: 25 July 2008
Document identifier: UBA2021_4
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
17. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Quick reference data . . . . . . . . . . . . . . . . . . . . . 1
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Functional description . . . . . . . . . . . . . . . . . . . 3
7.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7.2
Initial start-up . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.3
Oscillation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.4
Operation in the preheat mode . . . . . . . . . . . . . 4
7.5
Ignition state . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.6
Failure to ignite . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.7
Transition to the burn state . . . . . . . . . . . . . . . . 5
7.8
Feed-forward frequency . . . . . . . . . . . . . . . . . . 5
7.9
Capacitive mode protection . . . . . . . . . . . . . . . 6
7.10
IC supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.11
Minimum gate-source voltage of T1 and T2 . . . 6
7.12
Frequency and change in frequency. . . . . . . . . 7
7.13
Ground pins . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.14
Charge coupling . . . . . . . . . . . . . . . . . . . . . . . . 7
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 7
9
Thermal characteristics. . . . . . . . . . . . . . . . . . . 8
10
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 8
11
Design information . . . . . . . . . . . . . . . . . . . . . 10
11.1
Design equations . . . . . . . . . . . . . . . . . . . . . . 10
12
Application information. . . . . . . . . . . . . . . . . . 11
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 12
14
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 14
15
Legal information. . . . . . . . . . . . . . . . . . . . . . . 15
15.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 15
15.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
15.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
15.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16
Contact information. . . . . . . . . . . . . . . . . . . . . 15
17
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16



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