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Maxim MAX1703ESE+T

Manufacturer:Maxim
Series:MAX1703
Part Number:MAX1703ESE+T

1-Cell to 3-Cell, High Power (1.5A), Low-Noise, Step-Up DC-DC Converter

Compact, High-Efficiency, Low-Noise Step-Up Converter with a Gain-Block

Datasheets

Manufacturer's Classification

Power > Switching Regulators

Docket:
19-1336; Rev 2; 11/98 NUAL
KIT MA
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FOLLO 1-Cell to 3-Cell, High-Power (1.5A),
Low-Noise, Step-Up DC-DC Converter
____________________________Features The MAX1703 is a high-efficiency, low-noise, step-up
DC-DC converter intended for use in battery-powered
wireless applications. It uses a synchronous-rectified
pulse-width-modulation (PWM) boost topology to generate a 2.5V to 5.5V output from battery inputs, such as
one to three NiCd/NiMH cells or one Li-Ion cell. The
device includes a 2A, 75mΩ, N-channel MOSFET
switch and a 140mΩ, P-channel synchronous rectifier.
With its internal synchronous rectifier, the MAX1703
delivers up to 5% better efficiency than similar nonsynchronous converters. It also features a pulse-frequencymodulation (PFM) low-power mode to improve efficiency
at light loads, and a 1µA shutdown mode.
The MAX1703 comes in a 16-pin narrow SO package
and includes an uncommitted comparator that generates
a power-good or low-battery-warning output. It also
contains a linear gain block that can be used to build a
linear regulator. ♦ Up to 95% Efficiency
♦ Up to 1.5A Output
♦ Fixed 5V or Adjustable Step-Up Output
(2.5V to 5.5V)
♦ 0.7V to 5.5V Input Range For lower-power outputs and a smaller package, refer
to the MAX1700/MAX1701. For dual outputs (step-up
plus linear regulator), refer to the MAX1...

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