參數(shù)資料
型號： TPS54357MPWPREP
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 6.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16
封裝： PLASTIC, HTSSOP-16
文件頁數(shù)： 3/35頁
文件大小： 1132K
代理商： TPS54357MPWPREP
VI(SYNC)
VO(PH)
Internal Oscillator
VO(PH)
VO(SYNC)
Power Good (PWRGD)
www.ti.com ....................................................................................................................................................... SLVS684A – JANUARY 2007 – REVISED JULY 2009
Figure 3. SYNC Input Waveform
Figure 4. SYNC Output Waveform
The VSENSE pin is compared to an internal reference signal if the VSENSE is greater than 97% and no other
faults are present. The PWRGD pin presents a high impedance. A low on PWRGD indicates a fault. PWRGD
has been designed to provide a weak pulldown and indicates a fault even when the device is unpowered. If the
TPS5435x has power and has any fault flag set, the TPS5435x indicates the power is not good by driving the
PWRGD pin low. The following events, singly or in combination, indicate power is not good:
VSENSE pin out of bounds
Overcurrent
Thermal shutdown
UVLO undervoltage
Input voltage not present (weak pulldown)
Slow starting
VBIAS voltage is low.
Copyright 2007–2009, Texas Instruments Incorporated
11
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54357PWP 功能描述:直流/直流開關(guān)調(diào)節(jié)器 4.5 to 20V Inp 3-A Synch PWM Switch 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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54357PWPG4 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 4.5 to 20V Inp 3-A Synch PWM Switch RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS54357PWPR 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 4.5 to 20V Inp 3-A Synch PWM Switch RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS54357PWPRG4 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 4.5 to 20V Inp 3-A Synch PWM Switch RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS5435X 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio
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