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參數(shù)資料
| 型號： | TPS68000DBTRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | FLUORESCENT LIGHT CONTROLLER, 100 kHz SWITCHING FREQ-MAX, PDSO30 |
| 封裝： | GREEN, PLASTIC, TSSOP-30 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 981K |
| 代理商： | TPS68000DBTRG4 |
(6,4 mm x 7,8 mm)
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
GA
GB
GC
GD
SA
PGND
SC
V5A
V5C
V5
CA
CSEN
VA
OCP
PH
SET
EN
VCC
VREF
GND
STC
ABR
BF
FAULT
VSEN
BBR
BC
C1
QA
TPS68000
2 V
3.3 V
R1
C 5
C7
VLOGIC
Supply Voltage
8V .. 30V
Error Output
Operating Frequency
Device Enable
Lamp current
(Analog Dimming Input)
Burst Duty Cycle
(Burst Dimming Input)
Direct Burst Dimming Input
(Frequency + Duty Cycle)
C10
C
3
C 4
C2
C12
C13
R4
R3
C8
C9
SYNC
R2
2.0 V
0 V
CAO
VAO
C14
QC
QB
QD
T1
C6
0 V
Burst Frequency
Synchronization
Synchronization Phase Shift
SLVS524A – OCTOBER 2005 – REVISED FEBRUARY 2006
HIGHLY EFFICIENT PHASE SHIFT FULL BRIDGE CCFL CONTROLLER
8-V to 30-V Input Voltage Range
The TPS68000 device provides a power supply
controller solution for CCFL backlight applications in a
Full Bridge Topology With Integrated Gate
large variety of applications. The wide input voltage
Drives for 4 NMOS Switches
range of 8 V to 30 V makes it suitable to be powered
Synchronizable Constant Frequency
directly from regulated 12-V or 24-V rails, or any
Operation
other source with output voltages in this range. When
Programmable Phase Delays of Operating
using a 10% accurate regulated 5-V rail, it also can
Frequency for Master-Slave Operation
be used in notebook computers or other portable
battery-powered equipment having lower minimum
Lamp Voltage and Lamp Current Regulation
supply voltages. The controller is capable of driving
Analog and Burst Dimming
the gates of all 4 NMOS switches directly without the
Configurable Distributed Burst Dimming in
need for any additional circuitry, like dedicated gate
Multiple Controller Applications
drivers or gate-drive transformers. The wide input
voltage range also makes it easy to design CCFL
Programmable Voltage Regulation Timeout
converters with higher input voltages like 120 V or
for Startup and Fault Conditions
400 V available at the output of a power factor
Open-Lamp and Short-Circuit Protection
correction unit. The TPS68000 also supports CCFL
Internal Over-Temperature Protection
converter circuits driving multi-lamp applications,
either by using higher power-rated switches and
Undervoltage Lockout
transformers,
or
using
several
TPS68000s
30-pin TSSOP Package
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
CCFL Backlight Power Supplies for Desktop
support of distributed dimming, also help to optimize
Monitors and LCD TVs
the
performance
of
multi-controller
applications.
CCFL Backlight Power Supplies for Notebook
(Continued on next page)
Computers
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.
Distributed Dimming is a registered trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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| TPS68000EVM-161 | 功能描述:電源管理IC開發(fā)工具 TPS68000-161 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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| TPS68401C4YFFR | 功能描述:LED照明驅(qū)動器 Multifunction 3-Ch LED Drvr RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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