參數(shù)資料
型號： L6730TR
廠商： 意法半導(dǎo)體
英文描述： Adjustable step-down controller with synchronous rectification
中文描述： 可調(diào)式降壓同步整流控制器
文件頁數(shù)： 25/52頁
文件大?。?/td> 1370K
代理商： L6730TR
L6730 - L6730B
Device description
25/52
Using the L6730B there is the possibility to set the constant-current-protection also after the
soft-start. The following figures show the behaviour of the L6730B during an overcurrent event.
Figure 19.
shows the intervention of the peak OCP: the high-side MOSFET(s) is turned-off
when the current exceeds the OCP threshold. In this way the duty-cycle is reduced, the V
OUT
is
reduced and so the maximum current can be fixed even if the output current is escalating.
Figure 20.
shows the limit of this protection: the on-time can be reduced only to the masking
time and, if the output current continues to increase, the maximum current can increase too.
Notice how the Vout remains constant even if the output current increases because the on-time
cannot be reduced anymore.
Figure 19. Peak overcurrent-protection in constant-current-protection (L6730B).
Figure 20. Peak OCP in case of heavy overcurrent (L6730B).
V
OUT
T
ON
I
OUT
I
L
Peak th
V
OUT
I
L
I
OUT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6731B 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Adj. Step-Down w/ Synch Rectification 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(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6731BTR 功能描述:IC CTRLR ADJ STEP DOWN 16-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR)
L6731D 功能描述:DC/DC 開關(guān)控制器 Adjustable Step Down Controller 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(fēng)格: 封裝 / 箱體:CPAK
L6731DTR 功能描述:DC/DC 開關(guān)控制器 Adjustable Step Down Controller 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(fēng)格: 封裝 / 箱體:CPAK
L6732 功能描述:DC/DC 開關(guān)控制器 Adjustable Step Down Controller 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(fēng)格: 封裝 / 箱體:CPAK
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