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概述
The LP5309 is a power switch device provides full protection to systems and loads which may encounter large current and input over-voltage conditions. The device contains a 145mΩ MOSFET which can operate over an input voltage range from 3.0V to 32V. The OVP will disconnect VIN and VOUT when the voltage on VIN is higher than over voltage threshold. The over-current protection could be settable using an external resistor. When the current reaches the threshold, the device will turn off the power FET to prohibit excessive currents from causing damage. Switch is controlled by an active-low logic pin. Thermal shutdown protection is integrated which shuts off the switch to prevent damage to the part when the temperature is higher than threshold.These parts are available in space-saving SOT23 package.
应用
◆Notebook and PC
◆Cell phone and PDAs
◆USB or other peripheral ports
◆Camera
数据参数
数据参数
输入电压(V)
3.3~32
内阻(mΩ)
135
静态电流(uA)
90
限流可调
-
输出电流(A)
2.5
过压保护(V)
5.85
特点
Low Rdson,OCP,OVP,OTP
封装
SOT23
特征
特征
◆Input voltage tolerance up to 32V
◆Low on-state resistance to 145mΩ
◆90μA low current consumption
◆Integrated OCP at 2.5A (Typical)
◆Under-voltage lockout: 2.7V
◆Over-voltage protection: 6V
◆Output discharge integrated
◆Thermal shutdown protection
◆ESD Protection:
- Human Body Model: 4kV
- Charged Device Model: 0.5kV
◆Package: SOT23
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