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參數資料
型號: TPS40070PWPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, HTSSOP-16
文件頁數: 7/28頁
文件大?。?/td> 655K
代理商: TPS40070PWPRG4
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
Product Folder Link(s): TPS40070 TPS40071
相關PDF資料
PDF描述
TPS40071PWPR 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
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相關代理商/技術參數
參數描述
TPS40071 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH-EFFICIANCY MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40071EVM-001 功能描述:EVAL MODULE FOR TPS40071-001 RoHS:是 類別:編程器,開發系統 >> 評估板 - DC/DC 與 AC/DC(離線)SMPS 系列:Predictive Gate Drive™ 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:True Shutdown™ 主要目的:DC/DC,步升 輸出及類型:1,非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩壓器拓撲結構:升壓 頻率 - 開關:3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
TPS40071PWP 功能描述:DC/DC 開關控制器 Mid Rg In Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
TPS40071PWPG4 功能描述:DC/DC 開關控制器 Mid Rg In Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
TPS40071PWPR 功能描述:DC/DC 開關控制器 Mid Rg In Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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