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參數(shù)資料
| 型號： | TB62755FPG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, PDSO6 |
| 封裝： | 2 X 2 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, SON-6 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大?。?/td> | 180K |
| 代理商： | TB62755FPG |
TB62755FPG
2007-04-04
13
(5)
Carefully select external components (such as inputs and negative feedback capacitors) and load
components (such as speakers), for example, power amp and regulator.
If there is a large amount of leakage current such as input or negative feedback condenser, the IC
output DC voltage will increase. If this output voltage is connected to a speaker with low input
withstand voltage, overcurrent or IC failure can cause smoke or ignition. (The over current can cause
smoke or ignition from the IC itself.) In particular, please pay attention when using a Bridge Tied Load
(BTL) connection type IC that inputs output DC voltage to a speaker directly.
Points to remember on handling of ICs
(1)
Thermal Shutdown Circuit
Thermal shutdown circuits do not necessarily protect ICs under all circumstances. If the thermal
shutdown circuits operate against the over temperature, clear the heat generation status immediately.
Depending on the method of use and usage conditions, such as exceeding absolute maximum ratings
can cause the thermal shutdown circuit to not operate properly or IC breakdown before operation.
(2)
Heat Radiation Design
In using an IC with large current flow such as power amp, regulator or driver, please design the device
so that heat is appropriately radiated, not to exceed the specified junction temperature (T
J
) at any time
and condition. These ICs generate heat even during normal use. An inadequate IC heat radiation
design can lead to decrease in IC life, deterioration of IC characteristics or IC breakdown. In addition,
please design the device taking into considerate the effect of IC heat radiation with peripheral
components.
(3)
Back-EMF
When a motor rotates in the reverse direction, stops or slows down abruptly, a current flow back to the
motor’s power supply due to the effect of back-EMF. If the current sink capability of the power supply
is small, the device’s motor power supply and output pins might be exposed to conditions beyond
maximum ratings. To avoid this problem, take the effect of back-EMF into consideration in system
design.
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| TC1264-3.0VEBRT | 3 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSSO2 |
| TC1264-2.5VEBRT | 2.5 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSSO2 |
| TC1264-3.0VAB | 3 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSFM3 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TB62755FPG(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 |
| TB62756FUG | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:Step-up Type DC/DC Converter for White LEDs |
| 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 |
| TB62757FPG(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 |
| 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 |
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