UBA2071T/N1,118 NXP Semiconductors, UBA2071T/N1,118 Datasheet - Page 35

• Manufacturer Part Number: UBA2071T/N1,118
• Description: IC DRIVER HALF BRIDGE 24SOIC
• Manufacturer: NXP Semiconductors
• Type: CCFL/EEFL Controllerr

Specifications of UBA2071T/N1,118

• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Frequency: 38 ~ 42kHz
• Current - Supply: 1.5mA
• Voltage - Supply: 14V
• Operating Temperature: -25°C ~ 100°C
• Driver Type: CCFL Drivers
• Operating Supply Voltage: 14 V
• Maximum Operating Temperature: + 100 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 25 C
• Supply Current: 1.5 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 935285139118

NXP Semiconductors
17. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
8.11
8.12
8.13
8.14
8.14.1
8.14.2
8.14.3
8.14.4
8.14.5
8.14.6
8.14.7
8.14.8
8.14.9
8.14.10
9
10
11
12
13
14
15
15.1
15.2
15.3
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 6
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 23
Thermal characteristics. . . . . . . . . . . . . . . . . . 24
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 24
Application information. . . . . . . . . . . . . . . . . . 28
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 31
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 33
Legal information. . . . . . . . . . . . . . . . . . . . . . . 34
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
Supply, Start-up and UnderVoltage LockOut
(UVLO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
V
Enable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
The oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Non-overlap . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Low-side and high-side drivers . . . . . . . . . . . . . 9
DC blocking capacitor charging . . . . . . . . . . . . 9
Lamp (re-)ignition . . . . . . . . . . . . . . . . . . . . . . 11
Overvoltage control. . . . . . . . . . . . . . . . . . . . . 13
Lamp current control. . . . . . . . . . . . . . . . . . . . 14
PWM dimming . . . . . . . . . . . . . . . . . . . . . . . . 15
The fault timer. . . . . . . . . . . . . . . . . . . . . . . . . 17
Communication. . . . . . . . . . . . . . . . . . . . . . . . 18
Protections . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Voltage feedback open or short protection . . . 19
Overvoltage protection . . . . . . . . . . . . . . . . . . 20
Hard switching protection . . . . . . . . . . . . . . . . 20
Overvoltage extra protection. . . . . . . . . . . . . . 20
Current feedback open or short protection . . . 21
Overcurrent detection . . . . . . . . . . . . . . . . . . . 21
Arcing detection . . . . . . . . . . . . . . . . . . . . . . . 21
Ignition Failure (IF) . . . . . . . . . . . . . . . . . . . . . 22
The NONFAULT pin . . . . . . . . . . . . . . . . . . . . 22
Fault input via the COMM pin . . . . . . . . . . . . . 23
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 34
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
DD
clamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
15.4
16
17
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]
Half bridge control IC for CCFL backlighting
Contact information . . . . . . . . . . . . . . . . . . . . 34
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
UBA2071; UBA2071A
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Document identifier: UBA2071_A_1
Date of release: 23 June 2008
All rights reserved.