參數(shù)資料
型號(hào)： LTC4267IGN-1
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)： 10/32頁
文件大小： 925K
代理商： LTC4267IGN-1
LTC4267-1
18
42671f
APPLICATIO S I FOR ATIO
WU
UU
Figure 10. PD Front End with Isolation Transformer, 2nd Schottky Diode Bridge
designer should determine which power category the PD
falls into and then select the appropriate value of RCLASS
from Table 2. If a unique load current is required, the value
of RCLASS can be calculated as:
RCLASS = 1.237V/(IDESIRED – IIN_CLASS)
where IIN_CLASS is the LTC4267-1 IC supply current during
classication and is given in the electrical specications.
The RCLASS resistor must be 1% or better to avoid de-
grading the overall accuracy of the classication circuit.
Resistor power dissipation will be 50mW maximum and
is transient so heating is typically not a concern. In order
to maintain loop stability, the layout should minimize
capacitance at the RCLASS node. The classication circuit
can be disabled by oating the RCLASS pin. The RCLASS pin
should not be shorted to VPORTN as this would force the
LTC4267-1 classication circuit to attempt to source very
large currents and quickly go into thermal shutdown.
相關(guān)PDF資料
PDF描述
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
LTC4270AIUKG#PBF SPECIALTY ANALOG CIRCUIT, PQCC52
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4267IGN-1#PBF 功能描述:IC POE 802.3AF 16-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)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
LTC4267IGN-1#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(biāo)準(zhǔn)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(yīng)商設(shè)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
LTC4267IGN-1-PBF 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
LTC4267IGN-1-TR 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
LTC4267IGN-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
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