MAX1684,MAX1685 datasheet pdf
Low-Noise, 14V Input, 1A, PWM Step-Down Converters
The MAX1684/MAX1685 are high-efficiency, internalswitch,
PWM step-down switching regulators intended to
power cellular phones, communicating PDAs, and
handy-terminals. These devices deliver a guaranteed 1A
output current from two Li-Ion batteries. Their wide input
voltage range of 2.7V to 14V gives design flexibility and
allows batteries to charge from a wall cube, since the ICs
operate at the higher voltages that occur when the battery
is removed. The output voltage is preset to 3.3V or
can be externally adjusted from 1.25V to VIN.
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