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參數(shù)資料
| 型號： | LTC4267CGN-1#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 925K |
| 代理商： | LTC4267CGN-1#TR |
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LTC4267-1
1
42671f
Power over Ethernet
IEEE 802.3af PD Interface with
Integrated Switching Regulator
The LTC
4267-1 combines an IEEE 802.3af compliant
Powered Device (PD) interface with a current mode switch-
ing regulator, providing a complete power solution for PD
applications. The LTC4267-1 integrates the 25k signature
resistor, classication current source, thermal overload
protection, signature disable and power good signal along
with an undervoltage lockout optimized for use with the
IEEE-required diode bridge. The LTC4267-1 provides an
increased operational current limit, maximizing power
available for class 3 applications.
The current mode switching regulator is designed for
driving a 6V rated N-channel MOSFET and features pro-
grammable slope compensation, soft-start, and constant
frequency operation, minimizing noise even with light
loads. The LTC4267-1 includes an onboard error amplier
and voltage reference allowing use in both isolated and
nonisolated congurations.
The LTC4267-1 is available in a space saving, low prole
16-pin SSOP package.
■ IP Phone Power Management
■ Wireless Access Points
■ Security Cameras
■ Power over Ethernet
■ Complete Power Interface Port for IEEE 802
.3af
Powered Device (PD)
■ Onboard 100V, UVLO Switch
■ Precision Dual Level Inrush Current Limit
■ Integrated Current Mode Switching Regulator
■ Onboard 25k Signature Resistor with Disable
■ Programmable Classication Current (Class 0-4)
■ Thermal Overload Protection
■ Power Good Signal
■ Integrated Error Amplier and Voltage Reference
■ Low Prole 16-Pin SSOP Package
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
Class 2 PD with 3.3V Isolated Power Supply
+
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
相關PDF資料 |
PDF描述 |
|---|---|
| LTC4267IGN-1 | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO16 |
| LTC4267CGN-1 | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO16 |
| LTC4270BIUKG#TRPBF | SPECIALTY ANALOG CIRCUIT, PQCC52 |
| LTC4270BIUKG#PBF | SPECIALTY ANALOG CIRCUIT, PQCC52 |
| LTC4270AIUKG#TRPBF | SPECIALTY ANALOG CIRCUIT, PQCC52 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4267CGN-1-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator |
| LTC4267CGN-3#PBF | 功能描述:IC POE 802.3AF W/REG 16-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:2,450 系列:- 控制器類型:SPI 總線至 I²C 總線橋接 接口:I²C，串行，SPI 電源電壓:2.4 V ~ 3.6 V 電流 - 電源:11mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND |
| LTC4267CGN-3#TRPBF | 功能描述:IC POE 802.3AF INTERFACE 16SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:2,450 系列:- 控制器類型:SPI 總線至 I²C 總線橋接 接口:I²C，串行，SPI 電源電壓:2.4 V ~ 3.6 V 電流 - 電源:11mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND |
| LTC4267CGNPBF | 制造商:Linear Technology 功能描述:Hot Swap Controller 1-Ch -57V SSOP16 |
| LTC4267IDHC | 制造商:Linear Technology 功能描述:Hot Swap Controller 1-CH -57V 16-Pin DFN EP |
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