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參數(shù)資料
| 型號： | TPS40071PWPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | GREEN, PLASTIC, HTSSOP-16 |
| 文件頁數(shù)： | 7/28頁 |
| 文件大小： | 655K |
| 代理商： | TPS40071PWPR |
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VDG03174
tBLANKING
7 Current-Limit Trips
(HDRV Cycle Terminated by Current-Limit Trip)
7
Soft-Start
Cycles
HDRV
Clock
VILIM
VVIN VSW
SS
LOOP COMPENSATION
K
PWM ^ VUVLO (on)
(14)
www.ti.com .................................................................................................................................................. SLUS582J – DECEMBER 2003 – REVISED APRIL 2009
Figure 11. Typical Fault Protection Waveforms
Voltage mode buck type converters are typically compensated using Type III networks. Since the TPS4007x
uses voltage feedforward control, the gain of the voltage feedforward circuit must be included in the PWM gain.
The gain of the voltage feedforward circuit combined with the PWM circuit and power stage for the TPS4007x is:
The remainder of the loop compensation is performed as in a normal buck converter. Note that the voltage
feedforward circuitry removes the input voltage term from the expression for PWM gain. PWM gain is strictly a
function of the programmed startup voltage.
Copyright 2003–2009, Texas Instruments Incorporated
15
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TPS40071PWPRG4 | 功能描述:DC/DC 開關(guān)控制器 Mid Rg In Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40074 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD |
| TPS40074EVM-001 | 功能描述:電源管理IC開發(fā)工具 TPS40074 001 EVAL Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS40074RHLR | 功能描述:DC/DC 開關(guān)控制器 Mid Input Sync Buck w/Vltg Feed-Fwd RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40074RHLRG4 | 功能描述:DC/DC 開關(guān)控制器 Mid Input Sync Buck w/Vltg Feed-Fwd RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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