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LM3526M-H/NOPB

接口, USB, 双端口电源开关, USB 1.1, 2.0, 2.7 V, 5.5 V, SOIC, 8 引脚

TEXAS INSTRUMENTS LM3526M-H/NOPB

图片仅用于图解说明,详见产品说明。

制造商产品编号:
LM3526M-H/NOPB
库存编号
3124907

产品概述

The LM3526M-H/NOPB is a dual port USB Power Switch with over-current protection for all host port applications. The dual port device is ideal for Notebook and desktop PC's that supply power to more than one port. A 1ms delay on the fault flag output prevents erroneous over-current reporting caused by in-rush currents during hot-plug events. The dual stage thermal protection circuit in the LM3526 provides individual protection to each switch and the entire device. In a short-circuit/over-current event, the switch dissipating excessive heat is turned off, allowing the second switch to continue to function uninterrupted. This power switch accepts an input voltage between 2.7 and 5.5V uses as a device-based in-rush current limiter for 3.3V USB peripherals, as well as Root and Self-Powered Hubs at 5.5V. The small size, low RON and 1ms fault flag delay make this power switch a good choice for root hubs as well as per-port power control in embedded and stand-alone hubs.
  • Smooth turn-on eliminates in-rush induced voltage drop
  • REF# 205202 UL recognized component
  • Thermal shutdown protects device in direct short condition
  • 500mA Minimum continuous load current
  • 140mR Maximum switch resistance
  • 1µA Maximum standby current
  • 200µA Maximum operating current
  • Under-voltage lockout (UVLO)
  • Constant-current limit topology
  • Green product and no Sb/Br

应用

电源管理, 消费电子产品, 计算机和计算机周边, 通信与网络

产品信息

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:
双端口电源开关

:
USB 1.1, 2.0

:
2.7V

:
5.5V

:
SOIC

:
8引脚

:
-

:
2端口

:
-40°C

:
85°C

:
-

:
MSL 1 -无限制
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