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参数资料
| 型号： | TB62756FUG |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1430 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 0.95 MM PITCH, LEAD FREE, PLASTIC, SSOP-6 |
| 文件页数： | 12/16页 |
| 文件大小： | 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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相关代理商/技术参数 |
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| TB62756FUG(O,EL) | 功能描述:LED照明驱动器 White LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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| TB62757FUG(O,EL) | 功能描述:LED照明驱动器 White LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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