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参数资料
| 型号： | LT1768CGN#TR |
| 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： | 0°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 |
|---|---|
| LT1768IGN | 功能描述:IC CTRLR CCFL SGL/MULT HP 16SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 照明，镇流器控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:CCFL 控制器 频率:40 ~ 80 kHz 电流 - 电源:5mA 电流 - 输出:- 电源电压:4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) 其它名称:90-3991V+V01 |
| LT1768IGN#PBF | 功能描述:IC CTRLR CCFL SGL/MULT HP 16SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 照明，镇流器控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:CCFL 控制器 频率:40 ~ 80 kHz 电流 - 电源:5mA 电流 - 输出:- 电源电压:4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) 其它名称:90-3991V+V01 |
| LT1768IGN#TR | 功能描述:IC CTRLR CCFL SGL/MULT HP 16SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 照明，镇流器控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:CCFL 控制器 频率:40 ~ 80 kHz 电流 - 电源:5mA 电流 - 输出:- 电源电压:4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) 其它名称:90-3991V+V01 |
| LT1768IGN#TRPBF | 功能描述:IC CTRLR CCFL SGL/MULT HP 16SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 照明，镇流器控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:CCFL 控制器 频率:40 ~ 80 kHz 电流 - 电源:5mA 电流 - 输出:- 电源电压:4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) 其它名称:90-3991V+V01 |
| LT1769 | 制造商:LINER 制造商全称:Linear Technology 功能描述:4A, High Efficiency, Standalone Li Battery Charger |
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