SAMSUNG BN44-00038A schematic
DESCRIPTION: INVERTER,
01
SPECIFICATION:
1 1.5V~1 4.5V
PART SPEC
S IC 1 802
,,48KHZ,0～+50℃,BULK
SECTION : DISPLAY R&D
PAGE
REVISION
SHEET
03 03 02 03 - 03 03 03 - - 02 02 - 02 - 02 02 02 02 - 01 01 01 01 - 01 01 01 01 - 00 00 00 00 00 00 00 00 00 00 00
1 2 3 4 5 6 7 8 9 10 11
00 01 02 03
REVISION
DRAWN:
MYUNG-SOO NA
CHECKED:
APPROVED:
BONG-KYEOM KIM
KQA-2029 F4R0('1996.10.25)
DOC. NO.: BN44-00038ACB
7202
SAMSUNG ELECTRONICS
CO.,LTD.
7196 SIZE: A4 PAGE: 1
(All Rights Reserved.)
REF. NO.:
TOTAL
PAGE
11
PART SPEC
REV. DATE CONTENTS DRAWN APPROVED
00
01
02
03
2000.07.10
2000.11.17
2001.07.02
2001.08.12
REVISION BY ECO NO:BN020000252
* CHANGED Vin RANGE
* CHANGED OUTPUT CURRENT(min)
* ADDED DIMMING FREQUENCY
* CHANGED CN1-7 (5V); NO CONNECTION
* ADDED PARTS:Q23,Q24,Q25,D23,C25,R61 ~R66,R83,R84,R100
* DELETED PARTS:R26,53
* CHANGED PARTS;C3,C2,R1~R6,R19,R20,R45,R46,R25,R52,
R29,R55, C5,C14,C11,C20,R30,R31,R56,R57,R9,R35
* CHANGED PCB :REV.01 → REV.1.0
* CHANGED CIRCUIT & PATTERN & TRANS SPEC.
REVISION BY ECO NO: BN020010257
* CHANGED PARTS;R30,R56,R31,R57
* DELETED Q11,Q18 (MAKER OF KEC)
* CHANGED INSULATOR FROM SR50 TO SR55
* CHANGED DIMMING FREQUENCY
* ADDED PARTS:U5,C30,C31,C50,R69,R70,R79,R85 ~R87
R91 ~R95,R101 ~R108
* DELETED PARTS: Q19,Q21,Q25,D22,D23,C24,R83
* CHANGED PARTS:U1,Q4,C2,C10,C12,C21,C19,C25,R5,R6,
R28,R29,R30,R31
* CHANGED PCB (REV1.0-> 1.5 )
* CHANGED CIRCUIT
ECO NO : BN020010285 ( REV. 1.5--> 1.0 )
( CANCELED ECO NO :BN020010257 )
ECO NO:BN02001029D (ADD ADHENSIVE TO C14,C5,C3 )
initial release
M.S NA
M.S NA
M.S NA
M.S NA
B.K KIM
B.K KIM
B.K KIM
B.K KIM
SAMSUNG ELECTRONICS CO.,LTD.(All Rights Reserved.)
DOC. NO.: BN44-00038ACB REF. NO.: PAGE: 2
KQA-2029 F5R0('1996.10.25)
PART SPEC
1.0 SCOPE
1.1 THIS DOCUMENT DEFINES FOR INVERTER,
1.2 USAGE : BACKLIGHT 4 LAMP CCFL DRIVER INVERTER FOR TX17PO
1.3 TYPE OF PACKAGE :
1.4 COATING
2.0 RELATED DOCUMENTS
3.0 DIMENSIONS 03
SI C1802
,12.8~15.2V,48KHz
4.0 REQUIREMENTS
4.1 MAXIMUM RATINGS 01
SYMBOL PARAMETER RATING UNIT
V
V
input voltage1
in1
input voltage2 4.9 ~5.1 V
IN2
11 .5~14.5
Topr operating temperature 0 ～ +50 ℃
Tstg storage temperature -30 ～ +80 ℃
Hop operating/storage humidity 10~90 %RH
4.2 CONTROL SIGNAL
PIN N0. SYMBOL STATUS ACTION REMARKS
HIGH LAMP(CCFL)-ON 2.4~5.25V
CN1 #4 BKLT-ON
LOW LAMP(CCFL)-OFF 0.8V MAX.
SAMSUNG ELECTRONICS CO.,LTD.(All Rights Reserved.)
V
DOC. NO.: BN44-00038ACB REF. NO.: REV.: 02 PAGE: 3
KQA-2029 F7R0('1996.10.25)
4.3 TEST CIRCUIT
PART SPEC
4.4 INPUT/OUTPUT CHARACTERISTICS
ITEM SYMBOL
Io1,2(max)
OUTPUT
CURRENT
INPUT
CURRENT
D IMMING
F REQUENC Y
FREQUENCY
Io1,2(min)
Io3,4(max)
Io3,4(min)
Iin 14 5 0V 80±0.5 2.1 2.2 ADC
F(1) 14 5 OV 80±0.5 41
F(2) 14 5 OV 80±0.5 41
F D 14 5 OV 80±0 .5 18 9 192 19 5 Hz
Vin1(V)
(DC-IN)
1 1.5~14. 5
1 1.5~14. 5
1 1.5~14. 5
1 1.5~14. 5
03
CONDITION SPECIFICATION
Vin2(V) BRT-ADJ RL(㏀) MIN TYP MAX
5 OV 80±0.5 6.2 6.7 7.2
5 5V 80±0.5
5 OV 80±0.5 6.2 6.7 7.2
5 5V 80±0.5
1. 5 2.5 4. 0
1. 5 2.5 4. 0
4 8
4 8
55
55
UNIT
mArms
㎑
SAMSUNG ELECTRONICS CO.,LTD.(All Rights Reserved.)
DOC. NO.: BN44-00038ACB REF. NO.: REV.: 03 PAGE: 4
KQA-2029 F7R0('1996.10.25)
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