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LT1786FCS bảng dữ liệu(PDF) 20 Page - Linear Technology

tên linh kiện LT1786FCS
Giải thích chi tiết về linh kiện  SMBus Programmable CCFL Switching Regulator
PDF  20 Pages
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nhà sản xuất  LINER [Linear Technology]
Trang chủ  http://www.linear.com
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LT1786FCS bảng dữ liệu(HTML) 20 Page - Linear Technology

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LT1786F
© LINEAR TECHNOLOGY CORPORATION 1998
1786f LT/TP 0898 4K • PRINTED IN USA
PART NUMBER
DESCRIPTION
COMMENTS
LT1172
Current Mode Switching Regulator for CCFL or LCD Contrast Control
1.25A, 100kHz
LT1173
Micropower DC/DC Converter for LCD Contrast Control
1A, 24kHz, Hysteretic
LT1182
Dual Current Mode Switching Regulator for CCFL and LCD Contrast Control
1.25A, 0.625A, 200kHz
LT1183
Dual Current Mode Switching Regulator for CCFL and LCD Contrast Control
1.25A, 0.625A, 200kHz
LT1184
Current Mode Switching Regulator for CCFL Control
1.25A, 200kHz
LT1184F
Current Mode Switching Regulator for CCFL Control
1.25A, 200kHz
LT1186F
DAC Programmable Current Mode Switching Regulator for CCFL Control
1.25A, 200kHz, SPI or Pulse Mode
LT1316
Micropower DC/DC Converter for LCD Contrast Control
Programmable Peak Current Limit
LT1372
Current Mode Switching Regulator for CCFL or LCD Contrast Contol
1.5A, 500kHz
RELATED PARTS
TYPICAL APPLICATION
90% Efficient Grounded CCFL with 2-Wire SMBus Control of Lamp Current
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900q FAX:(408)434-0507 q www.linear-tech.com
16
15
14
13
12
11
10
9
+
C7
1
µF
C4
2.2
µF
3V < VCC
< 6.5V
TO
SMBus
HOST
SHUTDOWN
C1 MUST BE A LOW LOSS CAPACITOR
C1 = WIMA MKI OR MKP-20
PANASONIC ECH-U
L1 = COILTRONICS CTX210605
L2 = COILTRONICS CTX100-4
(DO NOT SUBSTITUTE COMPONENTS
COILTRONICS (561) 241-7876)
Q1, Q2 = ZETEX ZTX849 OR ROHM 25C5001
D1
BAT85
1
2
3
4
5
6
7
8
BAT
8V TO 28V
LAMP
10
6
L1
R1
750
Ω
1%
L2
100
µH
3
2
1
5
4
C1
0.068
µF
C5
1000pF
R2
221k
1%
R3
100k
1%
1786F TA03
C3
2.2
µF
35V
C2
27pF
3kV
+
Q2
Q1
D1
1N5818
ICCFL
DIO
CCFL VC
AGND
SHDN
SMBSUS
ADR
CCFL VSW
BULB
BAT
ROYER
VCC
IOUT
SCL
SDA
CCFL
PGND
LT1786F



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