MAX1658/MAX1659 350mA, 16.5V Input,
Low-Dropout Linear Regulators General Description The MAX1658/MAX1659 linear regulators maximize
battery life by combining ultra-low supply currents
and low-dropout voltages. They feature Dual Modeв„ў
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 1ОјA shutdown mode,
reverse-battery protection, short-circuit protection, and
thermal shutdown. They are available in a special highpower (1.2W), 8-pin SO package designed specifically for
compact applications. Applications
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