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參數(shù)資料
| 型號： | LT3750EMS#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CONVERTER 10MSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 回掃，正向轉(zhuǎn)換器 |
| 應(yīng)用： | 電源控制器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 相關(guān)產(chǎn)品： | 732-2128-6-ND - TRANS POWR FOR LT3751/LT3750 SMD 732-2128-1-ND - TRANS POWR FOR LT3751/LT3750 SMD 732-2128-2-ND - TRANS POWR FOR LT3751/LT3750 SMD |
7
LT3750
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OPERATIO
U
a rate (VTRANS – VDS(ON))/LPRI. The input voltage is mir-
rored on the secondary winding –N (VTRANS – VDS(ON))
which reverse biases the diode and prevents current flow
in the secondary winding. Thus, energy is stored in the
core of the transformer.
3. Secondary Energy Transfer
When current limit is reached, the current limit compara-
tor resets the NMOS on-latch and the device enters the
third phase of operation, secondary energy transfer. The
energy stored in the transformer core forward biases the
diode and current flows into the output capacitor. During
this time, the output voltage (neglecting the diode drop) is
reflected back to the primary coil. If the target output
voltage is reached, the VOUT comparator resets the master
latch and the DONE pin goes low. Otherwise, the device
enters the next phase of operation.
4. Discontinuous Mode Detection
Once all the current is transferred to the output capacitor,
(VOUT + VDIODE)/N will appear across the primary winding.
A transformer with no energy cannot support a DC voltage,
so, the voltage across the primary will decay to zero. In
other words, the drain of the NMOS will ring down from
VTRANS + (VOUT + VDIODE)/N to VTRANS. When the drain
voltage falls to VTRANS + 36mV, the DCM comparator sets
the NMOS on-latch and a new charge cycle begins. Steps
2-4 continue until the target output voltage is reached.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3751 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Capacitor Charger Controller with Regulation |
| LT3751EFE#PBF | 功能描述:IC CTRLR CAP CHRGR 20-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 應(yīng)用:熱電冷卻器 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.173"，4.40mm 寬）裸露焊盤 供應(yīng)商設(shè)備封裝:28-TSSOP 裸露焊盤 包裝:管件 產(chǎn)品目錄頁面:1410 (CN2011-ZH PDF) |
| LT3751EFE#PBF | 制造商:Linear Technology 功能描述:; Leaded Process Compatible:Yes; Peak Re |
| LT3751EFE#TRPBF | 功能描述:IC CTRLR CAP CHARGER 20-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
| LT3751EUFD | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Capacitor Charger Controller with Regulation |
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