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參數(shù)資料
| 型號： | TCA62735AFLG |
| 廠商： | Marktech Optoelectronics |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | Charge Pump type DC/DC Converter for White LED Driver |
| 中文描述： | 電荷泵型直流/直流轉(zhuǎn)換器，用于白光LED驅(qū)動器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 383K |
| 代理商： | TCA62735AFLG |
TCA62735AFLG
TOSHIBA CMOS INTEGRATED CIRCIUTS SILICON MONOLITHIC
TCA62735AFLG
Charge Pump type DC/DC Converter for White LED Driver
The TCA62735AFLG is a charge pump type DC/DC Converter
specially designed for constant current driving of White LED.
This IC can outputs LED current 120mA or more to 2.8-4.2V input.
This IC observes the power-supply voltage and the output voltage,
and does an automatic change to the best of step up mode 1, 1.5 or
2 times. It is possible to prolong the battery longevity to its
maximum.
This IC is especially for driving back light white LEDs in LCD of PDA,
Cellular Phone, or Handy Terminal Equipment.
Characteristics
Fabricating with CMOS Process
Package : QFN16 (4mm
×
4mm
×
0.8mm)
Input Voltage : 2.8V (Min)
Output Voltage : 4.2V (Min)
Switching Frequency : 1MHz(Typ.)
Output Drive Current Capability : Greater than 120mA
4 Channels Built in Constant Sink Current Drivers
Sink Current Adjustment by External Resistance
Soft Start Function
Output Open Detection Function
Integrated protection circuit TSD (Thermal Shut Down)
Pin Assignment (top view)
Weight: 0.016 g (Typ.)
EN
CTL0
CTL1
CTL2
GND
C2+
C2
C1
I
I
I
I
I
V
V
C
30mA
30mA
30mA
30mA
V
IN
=2.8~4.2V
C
1.0μF
C1–
C1+
EN
CTL0
CTL1
CTL2
VIN
GND
C
1.0μF
C
1.0μF
C
2.2μF
R
SET
8k
ISET
ILED4
ILED3
ILED2
ILED1
VOUT
C2–
C2+
Application Diagram
Web: www.marktechopto.com | Email: info@marktechopto.com
Fax:
518.785.4725
Company Headquarters
3 Northway Lane North
Latham,
New York
12110
Toll Free: 800.984.5337
California Sales Office:
950 South Coast Drive, Suite 2
2
5
Costa Mesa, California 92626
Toll Free: 800.984.5337
Fax: 714.850.9314
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TCA62735AFLG(O,EB) | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 White LED Driver (charge pump type) RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TCA62735AFLG(O,EBS) | 制造商:Toshiba America Electronic Components 功能描述:IC WHITE LED DRIVER 16VQFN |
| TCA62746AFG | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:16-Output Constant Current LED Driver with Output Open/Short Detection |
| TCA62746AFG(EL,M) | 制造商:Toshiba America Electronic Components 功能描述:TOS TCA62746AFG(EL,M) 235 IC |
| TCA62746AFG_0711 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:16-Output Constant Current LED Driver with Output Open/Short Detection |
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