Datasheet > TK65929MTL/B9

TK65929MTL/B9

更新时间： 2024-11-10 22:31:55

品牌	Logo	应用领域
TOKO		驱动器
页数	文件大小	规格书
20页	196K
描述
MEDIUM EL LAMP DRIVER

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中文翻译

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数据手册

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TK65929MTL/B9 数据手册

TK6592x

MEDIUM EL LAMP DRIVER

FEATURES

APPLICATIONS

■ High Ratio of Brightness / Input Power

■ Battery Powered Systems

■ Cellular Telephones

■ Pagers

■ ConstantBrightnessVersusInputSupplyChanges

■ Optimized for 9 nf to 27 nf Panel Capacitance

■ Panel Voltage Slew Rates Controlled for Life

■ LCD Modules

Enhancement

■ Wrist Watches

■ Panel Peak to Peak Voltage Independent of Input

■ Consumer Electronics

Voltage and Temperature

The oscillator circuits for the boost converter and lamp

driverarebothinternallygeneratedintheTK6592x,without

the need for external components. The clock frequency of

the boost converter is laser-trimmed to ensure good initial

accuracy that is relatively insensitive to variations in

temperature and supply voltage. The clock frequency of

the lamp driver tracks the frequency of the boost converter

by a constant scaling factor.

■ Panel Peak to Peak Frequency Independent of

Input Voltage and Temperature

■ Miniature Package (SOT23L-6)

■ Operates with Miniature Coil

■ Minimum External Components

■ Laser-Trimmed Fixed Frequency Operation

■ PWM Control Method

■ Adjustable Output Voltage

Furthermore, the drive architecture of the TK6592x has

been designed to limit peak drive current delivered to the

lamp. This approach limits the slew rate of the voltage

across the lamp and has the potential to improve lamp life

and decrease RF interference.

■ Lower Noise (Audio and EMI)

■ Split Power Supply Application

DESCRIPTION

The TK6592x Electroluminescent (EL) Lamp Driver has

beenoptimizedforbatterycontrolledsystemswherepower

consumptionandsizeareprimaryconcerns.Theminiature

device size (SOT23L-6), together with the miniature Toko

EL coils (D32FU, D31FU, D52FU), further helps system

designers reduce the space required to drive the small EL

panels.

The TK6592x is available in a miniature, 6-pin

SOT23L-6 surface mount package

TK6592x

GND

IND

20P

The proprietary architecture (detailed in the Theory of

Operation section) of the TK6592x provides a constant

output power to the lamp, independent of variations in the

batteryvoltage.Thisarchitectureallowstheoutputvoltage

to remain relatively constant as battery voltages decay,

without the need for directly sensing the high voltage

output of the EL driver.

BLOCK DIAGRAM

IND

HV BOOST

CONTROL

ORDERING INFORMATION

GND

TK6592 MTL

OSCILLATOR

Lamp Frequency Code

BRIDGE

LAMP FREQUENCY CODE

TAPE/REEL CODE

TL: Tape Left

TK65920

TK65921*

TK65922

TK65923*

TK65924

175 Hz TK65925*

200 Hz TK65926

225 Hz TK65927*

250 Hz TK65928

275 Hz TK65929*

300 Hz

325 Hz

350 Hz

375 Hz

400 Hz

* Consult factory for availability

of other frequencies.

May 2000 TOKO, Inc.

Page 1

12 3 4 5 6 7...20

中文翻译

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与TK65929MTL/B9相关器件

型号	品牌	获取价格	描述	数据表
TK6592X	TOKO	获取价格	MEDIUM EL LAMP DRIVER
TK65930	TOKO	获取价格	Switching Regulator, Current-mode, 24.7kHz Switching Freq-Max, PDSO6, SOT-23L, SMT-6
TK65930M	TOKO	获取价格	LARGE EL LAMP DRIVER
TK65930MTL	TOKO	获取价格	LARGE EL LAMP DRIVER
TK65930MTL/C0	TOKO	获取价格	LARGE EL LAMP DRIVER
TK65931	TOKO	获取价格	暂无描述
TK65931M	TOKO	获取价格	LARGE EL LAMP DRIVER
TK65931MTL	TOKO	获取价格	LARGE EL LAMP DRIVER
TK65931MTL/C1	TOKO	获取价格	LARGE EL LAMP DRIVER
TK65932	TOKO	获取价格	Switching Regulator, Current-mode, 31.7kHz Switching Freq-Max, PDSO6, SOT-23L, SMT-6

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