The MAX1658/MAX1659 linear regulators maximize battery life by combining ultra-low supply currents and low dropout voltages. They feature Dual Mode™ operation, which presets the output to 3.3V (MAX1658) or 5V (MAX1659), or permits it to be adjusted between 1.25V and 16V. The regulator supplies up to 350mA, with a typical dropout of 650mV for the MAX1658 and 490mV for the MAX1659. With their P-channel MOSFET pass transistor, these devices maintain a low quiescent current from zero output current to the full 350mA, even in dropout. They support input voltages ranging from 2.7V to 16.5V.

The MAX1658/MAX1659 feature a 1μA shutdown mode, reverse battery protection, short-circuit protection, and thermal shutdown. They are available in a special high-power (1.2W), 8-pin SO package designed specifically for compact applications. 现备有评估板：MAXREFDES5 MAXREFDES4 MAXREFDES11 MAXREFDES9MAXREFDES7 MAXREFDES8 

关键特性 Wide Input Voltage Range: 2.7V to 16.5V Low, 490mV Dropout at 350mA Output Current (MAX1659) 30μA Supply Current 1μA Max Shutdown Current High-Power (1.2W) 8-Pin SO Package Dual Mode Operation Output: Fixed 3.3V (MAX1658) Fixed 5.0V (MAX1659) or Adjustable (1.25V to 16V) Thermal Overload Protection Current-Limit Protection Reverse Battery Protection   应用/使用 蜂窝电话 数字无绳电话 电子规划器 手持式仪表(PDA、掌上电脑) 调制解调器 掌上电脑 PCMCIA卡 PCS电话

 

 

 

 

 

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