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MAX5940BESA+

以太网供电 (POE)控制器, 67V输入, 500mA输出, 38.6V UVLO, NSOIC-8

MAXIM INTEGRATED PRODUCTS MAX5940BESA+
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制造商产品编号:
MAX5940BESA+
库存编号
2517225
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产品概述

The MAX5940BESA+ is an IEEE 802.3af PD interface controller for power over Ethernet in 8 pin NSOIC package. It provide PD with a detection signature, a classification signature and an integrated isolation switch with programmable inrush current control. Device also feature power mode undervoltage lockout (UVLO) with wide hysteresis and power good outputs. An integrated MOSFET provides PD isolation during detection and classification. A leakage current offset of less than 10µA during detection phase. A programmable current limit prevents high inrush current during power-on. The device features power mode UVLO with wide hysteresis and long deglitch time to compensate for twisted-pair cable resistive drop and to assure glitch-free transition between detection, classification and power-on/-off phases. It is used in IP phones, wireless access nodes, computer telephony and IEEE 802.3af power devices.
  • Operating supply voltage of 67V (max), operating supply current of 1mA (max)
  • Operating temperature range from -40°C to 85°C
  • Less than 10µA leakage current offset during detection
  • Integrated MOSFET for isolation and inrush current limiting
  • Wide UVLO hysteresis accommodates twisted pair cable voltage drop
  • PGOOD/PGOOD(complementary) outputs to enable downstream DC-DC converters

应用

电源管理, 便携式器材, 消费电子产品, 无线, 安全

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
IEEE 802.3af

:
PD控制器

:
67V

:
500mA

:
38.6V

:
NSOIC

:
8引脚

:
1放大器

:
12.95W

:
-

:
-

:
-40°C

:
85°C

:
-

:
MSL 1 -无限制
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技术文档 (2)

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Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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5 UK 有库存,可在 4-5 个工作日内发货

CNY32.47 ( CNY36.69  含增值税)

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