Datasheet
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx
xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
UBA2071_A_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 23 June 2008 29 of 35
NXP Semiconductors
UBA2071; UBA2071A
Half bridge control IC for CCFL backlighting
(1) Optional lamp short protection is available via the NONFAULT pin.
Fig 19. Example of single IC backlighting application
C2
VDD GH
FS
SH
GL
PGND
R2
EN
C3
CIFB
C4
CVFB
C5
CT
C6
CF
C7
CSWP
IREF
SGND
C8
CPWM
PWMA
PWMD
COMM
HVDC
PWMD
CN1
UBA2071
PWMA
EN
GND
NONFAULT
C9
Q2
Q1
D1
C14
C10
C15
Z1
C1
C12 D12
CCFL 2
CCFL 1
D11
R11 C13
C11
D14
C22 D22
D21
R21 C23
C21
D24
R3
R5
R6
IFB
VFB
NONFAULT
R4
D23
D13
(1)
014aaa115
T1
R1