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UBA2071ATS Datasheet(PDF) 4 Page - NXP Semiconductors

Part # UBA2071ATS
Description  Half bridge control IC for CCFL backlighting
PDF  35 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

UBA2071ATS Datasheet(HTML) 4 Page - NXP Semiconductors

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UBA2071_A_1
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 23 June 2008
4 of 35
NXP Semiconductors
UBA2071; UBA2071A
Half bridge control IC for CCFL backlighting
6.
Block diagram
Fig 1.
Block diagram
ARCING
DETECTION
DOUBLE
SIDE
RECTIFIER
HARD-
SWITCHING
DETECTION
MASTER / SLAVE
COMMUNICATION
NON-OVERLAP
TIMING
PWM GENERATOR
LAMP
CURRENT
SENSING
OVER-
CURRENT
DETECTION
OVER-
VOLTAGE
SENSING
TRACK
AND
SWEEP
INTERNAL
SUPPLY
AND
REFERENCE
CIRCUITS
LEVEL-
SHIFTER
TIMER
HF
OSCILLATOR
CONTROL
IREF
VDD
EN
CF
CSWP
CVFB
VFB
IFB
CIFB
PWMA PWMD CPWM
FS
GH
SH
GL
PGND
COMM
VDD
bootstrap diode
VDD
low-side
driver
high-side
driver
UBA2071
SGND
CT
NONFAULT
014aaa098



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