參數(shù)資料
型號(hào)： LT4180EGN#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PDSO24
封裝： 0.150 INCH, LEAD FREE, PLASTIC, SSOP-24
文件頁(yè)數(shù)： 1/18頁(yè)
文件大?。?/td> 278K
代理商： LT4180EGN#PBF
LT4180
1
4180fa
TYPICAL APPLICATION
FEATURES
DESCRIPTION
Virtual Remote Sense
Controller
The LT4180 solves the problem of providing tight load
regulation over long, highly resistive cables without
requiring an additional pair of remote sense wires. This
Virtual Remote Sense device continuously interrogates
the line impedance and corrects the power supply output
voltage via its feedback loop to maintain a steady voltage
at the load regardless of current changes.
The LT4180 is a full-featured controller with 5mA opto-
isolator sink capability, under/overvoltage lockout,
soft-start and a ±1% internal voltage reference. The
Virtual Remote Sense feature set includes user-program-
mable dither frequency and optional spread spectrum
dither.
The LT4180 works with any topology and type of isolated
or nonisolated power supply, including DC/DC converters
and adjustable linear regulators.
The LT4180 is available in a 24-pin, SSOP package.
Isolated Power Supply with Virtual Remote Sense
APPLICATIONS
n Tight Load Regulation with Highly Resistive Cables
without Requiring Remote Sense Wiring
n Compatible with Isolated and Nonisolated Power
Supplies
n ±1% Internal Voltage Reference
n 5mA Sink Current Capability
n Soft-Correct Reduces Turn-On Transients
n Undervoltage and Overvoltage Protection
n Pin-Programmable Dither Frequency
n Optional Spread Spectrum Dither
n Wide VIN Range: 3.1V to 50V
n 24-Pin SSOP Package
n 12V High Intensity Lamps
n 28V Industrial Systems
n High Power (>40 Watts) CAT5 Cable Systems
n Wiring Drop Cancellation for Notebook Computer
Battery Charging
n AC and DC Adaptors
n Well-Logging and Other Remote Instrumentation
n Surveillance Equipment
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Virtual Remote Sense is a trademark of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
VLOAD vs VWIRE
CAT5E CABLE
LINE
OV
FB
DIV0 DIV1
VIN
COSC
COMP
DRAIN
SENSE
DIV2 SPREAD CHOLD1 CHOLD2 CHOLD3 CHOLD4
4180 TA01a
RUN
ROSC
SWITCHING
REGULATOR
VC
+
–
LT4180
VIRTUAL REMOTE SENSE
CL
RL
RSENSE
VWIRING (V)
0
V
LOAD
(V)
4.97
4.98
4.99
4.96
4.95
0.5
1.5
1
2
2.5
3
4.92
4.91
4.94
5.00
4.93
4180 TAO1b
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT4180EGN-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Virtual Remote Sense Controller
LT4180IGN#PBF 功能描述:IC PWR SUPPLY CONTROLLER 24SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:Virtual Remote Sense™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
LT4180IGN#PBF 制造商:Linear Technology 功能描述:VIRTUAL REMOTE SENSE CONTROLLER 制造商:Linear Technology 功能描述:IC, REMOTE SENSE CONTROLLER, SSOP-24
LT4180IGN#TRPBF 功能描述:IC CTLR REMOTE SENSOR 24SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:Virtual Remote Sense™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
LT4180IGN-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Virtual Remote Sense Controller
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