UBA2071T/N1,118 NXP Semiconductors, UBA2071T/N1,118 Datasheet - Page 28

• 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
12. Application information
UBA2071_A_1
Product data sheet
Figure 19
from a high voltage DC source and the IC is supplied by means of a V/ t supply (C14,
C15, Z1 and D1). Two lamps are connected, each to the output of its own transformer. The
leakage inductance of this transformer provides the ballast impedance for the lamps. An
analog voltage is converted to a PWM signal to provide for the desired brightness level.
Lamp short detection is done via the lamp voltage sensing, D13 and D23, and the
NONFAULT pin.
Figure 20
UBA2073.
shows an example backlighting configuration, where the inverter is supplied
shows an example of a balanced application using one UBA2071 and one
Rev. 01 — 23 June 2008
Half bridge control IC for CCFL backlighting
UBA2071; UBA2071A
© NXP B.V. 2008. All rights reserved.
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