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LT1768IGN データシート(PDF) 20 Page - Linear Technology

部品番号 LT1768IGN
部品情報  High Power CCFL Controller for Wide Dimming Range and Maximum Lamp Lifetime
PDF  20 Pages
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メーカー  LINER [Linear Technology]
ホームページ  http://www.linear.com
Logo LINER - Linear Technology

LT1768IGN データシート(HTML) 20 Page - Linear Technology

Back Button LT1768IGN Datasheet HTML 12Page - Linear Technology LT1768IGN Datasheet HTML 13Page - Linear Technology LT1768IGN Datasheet HTML 14Page - Linear Technology LT1768IGN Datasheet HTML 15Page - Linear Technology LT1768IGN Datasheet HTML 16Page - Linear Technology LT1768IGN Datasheet HTML 17Page - Linear Technology LT1768IGN Datasheet HTML 18Page - Linear Technology LT1768IGN Datasheet HTML 19Page - Linear Technology LT1768IGN Datasheet HTML 20Page - Linear Technology  
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LT1768
20
PART NUMBER
DESCRIPTION
COMMENTS
LT1170
Current Mode Switching Regulator
5.0A, 100kHz
LT1182/LT1183
CCFL/LCD Contrast Switching Regulators
3V
≤ VIN ≤ 30V, CCFL Switch: 1.25A, LCD Switch: 625mA,
Open Lamp Protection, Positive or Negative Contrast
LT1184
CCFL Current Mode Switching Regulator
1.25A, 200kHz
LT1186
CCFL Current Mode Switching Regulator
1.25A, 100kHz, SMBus Interface
LT1372
500kHz, 1.5A Switching Regulator
Small 4.7
µH Inductor, Only 0.5 Square Inch of PCB
LT1373
250kHz, 1.5A Switching Regulator
1mA IQ at 250kHz, Regulates Positive or Negative Outputs
LT1786F
SMBus Controlled CCFL Switching Regulator
Precision 100
µA Full Scale Current DAC
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2000
sn1768 1768fs LT/TP 0901 2K • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
4 Watt Single Lamp CCFL Supply
1768 TA09
C7
0.33
µF
R7
499
Ω
R6
0.05
Ω
Q1A
ZDT1048
Q1B
ZDT1048
L1
33
µH
T1
CTX110607
C9
33pF
X1
C5
0.1
µF
C1
33
µF
Q2
Si3456DV
D2
MBRS130LT3
LAMP
R3
61.9k
R1
49.9k
R2
39.2k
R5
124k
R4
31.6k
C3
0.22
µF
C4
10
µF
C2
0.047
µF
VIN = 9V TO 24V
PROG
0V TO 5V OR
1kHz PWM
C6
1
µF
LT1768
DI02
PGND
GATE
VC
AGND
CT
PROG
DI01
SENSE
SHDN
RMIN
RMAX
PWM
FAULT
SHUTDOWN
FAULT
VREF
VIN
5V
15
16
1
12
11
10
9
14
13
5
6
7
8
4
3
2
C8
1000pF
R2
100
Ω



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