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參數資料
| 型號： | TB62756FUG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1430 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 0.95 MM PITCH, LEAD FREE, PLASTIC, SSOP-6 |
| 文件頁數： | 12/16頁 |
| 文件大?。?/td> | 314K |
| 代理商： | TB62756FUG |
TB62756FUG
2006-06-14
5
Output-side Capacitor Setting
It is recommended that the value of C2 be equal to, or greater than 1.0 (F).
External Inductor Size Setting
For each number of LEDs, the selected inductance should be greater than the value indicated in the table below.
Number of LEDs
Inductance (Unit:
H)
Note
2
4.7
3
4
6.8
5
6
10
IF = 20 mA
Control of IF
The resistance RSENS is connected between the FB pin and the GND pin.
The average current is controlled by the RSENS value, and calculated using the following equation:
IF (mA) = [325 mV/RSENS ()]
Margin of error is
±5%.
Dimming using PWM Signal Input
A dimming function can also by applied using a PWM signal.
[Notes]
When using a PWM signal, the minimum pulse width of the PWM should be greater than 33 s.
Duty ratio of PWM function should be set at 10% to 90%.
The recommended PWM frequency should be 100 Hz to 10 kHz.
<<Output current is calculated using the following equation>>
]
[
[%]
×
]
[
=
)
(
R
Duty
ON
mV
325
mA
I
SENS
F
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相關代理商/技術參數 |
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| TB62756FUG(O,EL) | 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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| TB62757FUG(O,EL) | 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TB62758FTG(O,EL) | 制造商:Toshiba 功能描述:LED Driver IC |
| TB62763FMG(O,8,EL) | 制造商:Toshiba America Electronic Components 功能描述:Step Up Type DC-DC Converter |
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