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參數(shù)資料
| 型號(hào)： | TB62732FUG |
| 廠商： | Toshiba Corporation |
| 元件分類(lèi)： | LED驅(qū)動(dòng)器 |
| 英文描述： | Step-up DC/DC Converter for White LED Driver |
| 中文描述： | 升壓直流/直流轉(zhuǎn)換器白光LED驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大小： | 294K |
| 代理商： | TB62732FUG |
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TB62732FUG
2006-06-14
1
TOSHIBA BiCD Digital Integrated Circuit Silicon Monolithic
TB62732FUG
Step-up DC/DC Converter for White LED Driver
The TB62732FUG is a high-efficiency step-up DC/DC converter
designed and optimized for the constant-current lighting of white
LEDs.
This IC is particularly suitable for illuminating two to four
serial white LEDs with a Li-ion battery.
The IC incorporates an N-ch MOS transistor, which is
necessary for switching of the coil.
Also, the LED current I
F
can be easily set through the use of
an external resistor.
The TB62732FUG is best suited for use as a driver for white
LED source backlighting in color LCDs used on PDAs, cellular
phones and handy terminal devices.
The suffix (G) appended to the part number represents a Lead
(Pb) -Free product.
Features
LED current values can set through the use of an external resistor
15 mA (typ.) @R_sens = 3.3
18.5 mA (typ.) @R_sens = 2.7
Efficiency of 80% realized (serial LEDs 2 to 3, I
F
= 20 mA)
Maximum output voltage: Vo = 17 V
Output power: Up to 320 mW supported
Compact package: 6-pin SOT23 (SSOP6-P-0.95B)
Built-in N-channel MOS with low ON-resistance (Ron)
Ron = 2.0
(typ.) @V
CC
= V
IN
= 3.6 V
Switching frequency: 1.1 MHz (typ.)
Output capacitor
Small capacity of 0.47 μF
Inductance: 2.2 μH to 10 μH
Pin assignment
(top view)
Note 1: This product contains pins that are vulnerable to electrostatic discharge. Handle with care.
This IC may break if mounted 180 degrees in the reverse direction. Be sure to orientate the IC in the
correct direction.
Weight: 0.016 g (typ.)
K
GND
SHDN
A
GND
V
CC
<
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TB62733FTG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Charge Pump type DC/DC Converter for White LED Driver |
| 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 |
| TB62736FUG | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:Step-up Type DC-DC Converter for White LEDs |
| 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 |
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