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參數(shù)資料
| 型號(hào)： | LT3750EMS#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 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 |
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VTRANS (Pin 1): Transformer Supply Pin. Powers the
primary coil of the transformer as well as internal circuitry
that performs boundary mode detection. Bypass at the pin
with a 1
F to 10F capacitor. Bypass the primary winding
of the transformer with a large capacitor.
DONE (Pin 2): Open Collector Indication Pin. When target
output voltage is reached, an NPN transistor turns on.
Requires a pull-up resistor or current source. Any fault
conditions such as thermal shutdown or undervoltage
lockout will also turn on the NPN.
CHARGE (Pin 3): Charge Pin. Initiates a new charge cycle
when brought high or discontinues charging and puts part
into shutdown when low. To properly enable the device, a
step input with a minimum ramp rate of 1V/
s is required.
Drive to 1.1V or higher to enable the device; drive below
0.2V to disable the device.
VCC (Pin 4): Input Supply Pin. Bypass locally with a
ceramic capacitor. A 1
Fto10Fceramiccapacitorshould
be sufficient for most applications.
GND (Pin 5): Ground Pin. Connect directly to local ground
plane.
SOURCE (Pin 6): Source Pin. Senses NMOS drain current.
Connect NMOS source terminal and current sense resistor
to this pin. The current limit is 78mV/RSENSE.
GATE (Pin 7): Gate Pin. Connect NMOS gate terminal to
this pin. Internal gate driver will drive voltage to within
VCC – 2V during each switching cycle.
RDCM (Pin 8): Discontinuous Mode Sense Pin. Senses
when current in transformer has decayed to zero and ini-
tiates a new charge cycle if output voltage target has not
been reached. Place a resistor between this pin and the drain
of the NMOS. A good choice is a 43k, 5% resistor.
RVOUT (Pin 9): Output Voltage VI Converter Pin. Develops
a current proportional to output capacitor voltage. Con-
nect a resistor between this pin and the drain of the NMOS.
RBG (Pin 10): Output Voltage Sense Pin. Senses the
voltage across the RBG resistor, which is proportional to
the current flowing into the RVOUT pin. When voltage
equals 1.24V, charging is disabled and DONE pin goes
low. Connect a resistor (2.5k or less is recommended)
from this pin to GND. A 2.49k, 1% resistor is a good
choice.
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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(dòng)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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