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| 型号： | LT1768IGN#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 15/20页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR CCFL SGL/MULT HP 16SSOP |
| 标准包装： | 2,500 |
| 类型： | CCFL 控制器 |
| 频率： | 300 ~ 410 kHz |
| 电流 - 电源： | 7mA |
| 电流 - 输出： | 1.5A |
| 电源电压： | 9 V ~ 24 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (TR) |
LT1768
APPLICATIO N S I N FOR M ATIO N
Supply Bypass and Layout Considerations
Proper supply bypassing and layout techniques must be
used to insure proper regulation, avoid display flicker, and
insure long term reliability.
Figure 8 shows the application’s critical high current paths
in thick lines. Ideally, all components in the high current
path should be placed as close as possible and connected
with short thick traces. The most critical consideration is
that T1’s center tap, the Schottky diode D1, LT1768’s V IN
pin, and a low ESR capacitor (C1) be connected directly
T1
VIN
C2
*OPTIONAL
L1
D1
LT1768
together with minimum trace between them. If space
constraints prohibit the transformer T1 placement next to
C1, local bypassing (C2) for the center tap of transformer
T1 should be used.
Special attention is also required for the layout of the high
voltage section to avoid any unpleasant surprises. Please
refer to the references for an extensive discussion on high
voltage layout techniques.
Applications Support
Linear Technology invests an enormous amount of time,
resources, and technical expertise in understanding, de-
signing and evaluating backlight solutions for systems
designers. The design of an efficient and compact back-
light system is a study of compromise in a transduced
electronic system. Every aspect of the design is interre-
lated and any design change requires complete re-evalu-
ation for all other critical design parameters. Linear
Technology has engineered one of the most complete test
and evaluation setups for backlight designs and under-
stands the issues and trade-offs in achieving a compact,
efficient and economical customer solution. Linear Tech-
nology welcomes the opportunity to discuss, design,
evaluate, and optimize any backlight system with a cus-
tomer. For further information on backlight designs, con-
C1
VIN
GATE
SENSE
sult the references below.
References
BOLD LINES INDICATE
HIGH CURRENT PATHS
PGND
Figure 8
1768 F08
1. Williams, Jim. November 1995. A Fourth Generation of
LCD Backlight Technology. Linear Technology Corpora-
tion, Application Note 65.
15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5282BRU200 | 功能描述:IC DUAL POT 200K 256POS 16-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
| AD5282BRU200-REEL7 | 功能描述:IC DGTL POT DUAL 256POS 16-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
| AD5282BRU20-REEL7 | 制造商:Analog Devices 功能描述:DGTL POTENTIOMETER 256POS 20KOHM DUAL 16TSSOP - Tape and Reel |
| AD5282BRU20Z | 制造商:Analog Devices 功能描述:DIG POT 2CH 256 20KOHM 14TSSOP 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, TSSOP-16 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, 14TSSOP 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, 14TSSOP, End To End Resistance:20kohm, Track Taper:Li 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, 14TSSOP, End To End Resistance:20kohm, Track Taper:Linear, Resistance Tolerance: 30%, Supply Voltage Min:4.5V, Supply Voltage Max:16.5V, Potentiometer IC Case Style:TSSOP, No. of Pins:16, No. of Steps:256, , RoHS Compliant: Yes |
| AD5282BRU50 | 功能描述:IC DUAL POT 50K 256POS 16-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
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