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TPS68000DBTR PDF预览

TPS68000DBTR

更新时间： 2024-11-19 04:27:31
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
13页 336K
描述
HIGHLY EFFICIENT PHASE SHIFT FULL BRIDGE CCFL CONTROLLER

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中文翻译

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TPS68000DBTR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP-30针数：30
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.49Is Samacsys：N
模拟集成电路 - 其他类型：FLUORESCENT LIGHT CONTROLLER最大输入电压：30 V
最小输入电压：8 V标称输入电压：24 V
JESD-30 代码：R-PDSO-G30JESD-609代码：e4
长度：7.8 mm湿度敏感等级：2
功能数量：1端子数量：30
最高工作温度：85 °C最低工作温度：-40 °C
标称输出电压：12 V封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.2 mm
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：100 kHz温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

TPS68000DBTR 数据手册

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TPS68000  
(6,4 mm x 7,8 mm)  
www.ti.com  
SLVS524–OCTOBER 2005  
HIGHLY EFFICIENT PHASE SHIFT FULL BRIDGE CCFL CONTROLLER  
FEATURES  
DESCRIPTION  
•
8-V to 30-V Input Voltage Range  
•
Full Bridge Topology With Integrated Gate  
Drives for 4 NMOS Switches  
The TPS68000 device provides a power supply  
controller solution for CCFL backlight applications in a  
large variety of applications. The wide input voltage  
range of 8 V to 30 V makes it suitable to be powered  
directly from regulated 12-V or 24-V rails, or any  
other source with output voltages in this range. When  
using a regulated 5-V rail, it also can be used in  
•
•
Synchronizable Constant Frequency  
Operation  
Programmabe Phase Delays of Operating  
Frequency for Master-Slave Operation  
notebook  
computers  
or  
other  
portable  
•
•
•
Lamp Voltage and Lamp Current Regulation  
Analog and Burst Dimming  
battery-powered equipment having lower minimum  
supply voltages. The controller is capable of driving  
the gates of all 4 NMOS switches directly without the  
need for any additional circuitry, like dedicated gate  
drivers or gate-drive transformers. The wide input  
voltage range also makes it easy to design CCFL  
converters with higher input voltages like 120 V or  
400 V coming from a power factor correction unit.  
The TPS68000 also supports CCFL converter circuits  
driving multi-lamp applications, either by using higher  
power-rated switches and transformers, or using  
Configurable Distributed Burst Dimming in  
Multiple Controller Applications  
•
Programmable Voltage Regulation Timeout  
for Startup and Fault Conditions  
•
•
•
•
Open-Lamp and Short-Circuit Protection  
Internal Over-Temperature Protection  
Undervoltage Lockout  
30-pin TSSOP Package  
several  
TPS68000s  
synchronized.  
When  
synchronized, they can be operated either at the  
same frequency and phase, or phase shifted to  
minimize RMS input current. Already implemented  
smart dimming features, such as support of  
distributed dimming, also help to optimize the  
APPLICATIONS  
•
CCFL Backlight Power Supplies for Desktop  
Monitors and LCD TVs  
•
CCFL Backlight Power Supplies for Notebook  
Computers  
performance  
of  
multi-controller  
applications.  
(Continued on next page)  
C
10  
TPS68000  
Supply Voltage  
VCC  
V5A  
GA  
SA  
QC  
QA  
8V .. 30V  
C1  
VLOGIC  
C
3
C12  
R
C
2
14  
Error Output  
FAULT  
V5C  
Synchronization  
C
T
1
SYNC  
4
2.0 V  
GC  
0 V  
Synchronization Phase Shift  
PH  
SC  
SET  
Operating Frequency  
Q
B
QD  
R
1
GB  
GD  
V5  
Device Enable  
EN  
C13  
C
5
C2  
STC  
R4  
R3  
3.3 V  
Lamp current  
0 V  
ABR  
(Analog Dimming Input)  
OCP  
2 V  
CSEN  
Burst Duty Cycle  
0 V  
BBR  
C8  
(Burst Dimming Input)  
CAO  
C
6
BF  
Burst Frequency  
CA−  
VSEN  
VAO  
Direct Burst Dimming Input  
BC  
(Frequency + Duty Cycle)  
C9  
C
7
VREF  
VA−  
GND  
PGND  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2005, Texas Instruments Incorporated  
1234567...13

中文翻译

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TPS68000DBTR 替代型号

型号 品牌 替代类型 描述 数据表
TPS68000DBT TI

完全替代

 HIGHLY EFFICIENT PHASE SHIFT FULL BRIDGE CCFL CONTROLLER

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