UBA2021T/N2 NXP Semiconductors, UBA2021T/N2 Datasheet - Page 16

• Manufacturer Part Number: UBA2021T/N2
• Description: CFL Lamp DRVR 14-Pin SO Tube
• Manufacturer: NXP Semiconductors

Specifications of UBA2021T/N2

• Package: 14SO
• Driver Type: CFL Lamp
• Module Configuration: Half Bridge
• Supply Current: 1mA
• Meter Display Type: Fluorescent Lamp
• Supply Voltage Range: 9.55V To 10.75V, 11.35V To 12.55V
• Driver Case Style: SOIC
• No. Of Pins: 14
• Operating: RoHS Compliant
• Operating Supply Voltage: 630 V
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-14
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

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