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參數(shù)資料
| 型號(hào)： | TB62733FTG |
| 廠商： | Toshiba Corporation |
| 元件分類： | LED驅(qū)動(dòng)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(dòng)器 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 614K |
| 代理商： | TB62733FTG |
TOSHIBA
■
Application Example
This device has a large drive capability (Iout Max : Larger than 190mA), if in case of driving LED at 20mA each, this device
can drive up to 9 LEDs max.
1. In use of LCD backlighting (Main and Sub Displays)
In case of driving the back light system both for main display and sub display, this device can be used for this application
With securing the output current of maximum 190mA.
Also, Vout 1 has a drive capability up to 110mA, so it is allowed to change the system thet Vout 1 can drive 6 LEDs
(backlight for main display), then Vout 2 drives 2LEDs for the backlight of sub display as showing in Application Figure 2.
The LED brightness balance is adjusted by using FB1 and FB2.
CE2
0.4V
TB62733FTG
●
This datasheet is tentative, the values and contents are subject to change without any notice.
27-Jul-04 (Rev1.7)
TB62733FTG (Page. 8)
Vin
GND
FB1
SP1
SP2
2.8
～
4.2V
C4
1.0
μ
F
Vout1
C1
＋
C1
－
C1
1.0
μ
F
C2
＋
C2
－
C2
1.0
μ
F
20
Ω
20
Ω
20
Ω
20
Ω
Sub Display
1LED
：２０ｍＡ
（
Total 80 mA
）
0.4V
CE1
20
Ω
20
Ω
20
Ω
20
Ω
FB2
Vout2
Main Display
1LED : 20
ｍＡ
（
Total 80 mA
）
Vin
GND
FB1
SP1
SP2
2.8
～
4.2V
C4
1.0
μ
F
Vout1
C1
＋
C1
－
C1
1.0
μ
F
C2
＋
C2
－
C2
1.0
μ
F
20
Ω
20
Ω
20
Ω
20
Ω
Sub Display
1 LED
：
20 mA
（
Total 40 mA
）
0.4V
CE1
CE2
20
Ω
20
Ω
0.4V
FB2
Vout2
Main Display
1 LED
：
18
ｍＡ
（
Total
108 mA
）
20
Ω
20
Ω
Application Figure 1
Application Figure 2
C3
2.0
μ
F
Vout0
C3
2.0
μ
F
Vout0
These figures are showing as the standard application example. The current values or so are considered whenever it is designed.
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| TB62734FMG | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:Step Up Type DC-DC Converter for White LED |
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| TB62736FUG(O,EL) | 功能描述:LED照明驅(qū)動(dòng)器 White LED Driver 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 |
| TB62737FPG(O,EL) | 功能描述:LED照明驅(qū)動(dòng)器 White LED Driver 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 |
| TB62737FUG(O,EL) | 制造商:Toshiba America Electronic Components 功能描述:IC LED DRIVR WHITE BCKLGT 6-SSOP |
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