參數(shù)資料
型號: TPS54972EVM-222
廠商: Texas Instruments, Inc.
英文描述: 9-Amp SWIFT Regulator Evaulation Module(9A SWIFT穩(wěn)壓器TPS54972的評估模塊)
中文描述: 9放大器模塊的SWIFT穩(wěn)壓Evaulation(第9A SWIFT的穩(wěn)壓器TPS54972的評估模塊)
文件頁數(shù): 32/43頁
文件大?。?/td> 785K
代理商: TPS54972EVM-222
Start-Up
2-17
Test Setup and Results
2.10 Start-Up
The start-up voltage waveform of the TPS54x72EVM–222 is shown in
Figure 2–24, Figure 2–25, and Figure 2–26. There is approximately a 3.6-ms
delay after the input voltage rises above the 2.9 V (3.8 V for the TPS54872)
startup voltage threshold until the output voltage begins to ramp up to the final
value of 1.25 V. The output voltage tracks the greater of the internal and
external slow start voltages, accounting for the change in ramp rates.
Figure 2–24. Measured Start-Up Waveform, TPS54672
VI 1 V/div
Time Scale 2.5 ms/div
VO 500 mV/div
Figure 2–25. Measured Start-Up Waveform, TPS54872
VI 2 V/div
Time Scale 2.5 ms/div
VO 500 mV/div
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54972PWP 功能描述:直流/直流開關(guān)調(diào)節(jié)器 9-A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54972PWPG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 9-A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54972PWPR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 9-A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54972PWPRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 9-A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54973 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V TO 4-V INPUT, 9-A OUTPUT SYNCHRONOUS BUCK SWITCHER WITH DISABLED SINKING DURING START-UP