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參數(shù)資料
| 型號： | 5962-8768102V2A |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.2 A SWITCHING CONTROLLER, 1180 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 14/15頁 |
| 文件大小： | 503K |
| 代理商： | 5962-8768102V2A |
UDG-95106
ACTIVE LOW OUTPUTS DURING UVLO
UDG-95106
UDG-95108
SLUS873A – JANUARY 2009 – REVISED APRIL 2009 ..................................................................................................................................................... www.ti.com
Anytime ILIM exceeds 1.2 V, the fault latch is set and the output pins are driven low. The soft-start cap is then
discharged by a 250-
A current sink. No more output pulses are allowed until soft-start is fully discharged and
ILIM is below 1.2 V. At this point the fault latch resets and the chip executes a soft-start.
Should the fault latch get set during soft-start, the outputs are immediately terminated, but the soft-start capacitor
does not discharge until it has been fully charged first. This results in a controlled hiccup interval for continuous
fault conditions.
Figure 5. Soft-Start and Fault Waveforms
The UVLO function forces the outputs to be low and considers both VCC and VREF before allowing the chip to
operate.
Figure 6. Output Voltage vs Output Current
Figure 7. Output V and I During UVLO
8
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): UC1825A-SP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 5962-8768102XA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 5962-8768104V2A | 功能描述:電流型 PWM 控制器 High Spd PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| 5962-8768104VEA | 功能描述:電流型 PWM 控制器 High Spd PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| 5962-8768105VEA | 制造商:Texas Instruments 功能描述:Current Mode PWM Controller 100mA 16-Pin CDIP 制造商:Texas Instruments 功能描述:UC1825AJ-SP, HIGH SPEED PWM - Rail/Tube |
| 5962-87683012A | 制造商:Texas Instruments 功能描述:Decoder/Demultiplexer Dual 2-to-4 20-Pin LCCC Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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