MAX1640, MAX1641 Adjustable-Output, Switch-Mode Current Sources With Synchronous Rectifier

The MAX1640 MAX1641 CMOS, adjustable-output, switch-mode current sources operate from a +5.5V to +26V input, and are ideal for microprocessor-controlled Battery Chargers Charging current, maximum output voltage, and pulse-trickle charge are programmed with external resistors. Programming the off-time modifies the switching frequency, suppressing undesirable harmonics in noise-sensitive circuits. The MAX1640 's high-side current sensing allows the load to connect directly to ground, eliminating ground-potential errors. The MAX1641 incorporates a low-side Current Sense
The MAX1640 MAX1641 Step-down pulse-width-modulation (PWM) controllers use an external P-Channel MOSFET Switch and an optional, external N-Channel MOSFET synchronous Rectifier for increased efficiency. An internal low-dropout linear Regulator provides power for the internal reference and circuitry as well as the Gate drive for the N-channel synchronous Rectifier
The MAX1640 MAX1641 are available in space-saving, 16-pin narrow QSOP packages.
By Maxim Integrated Products
MAX1640 's PackagesMAX1640 's pdf datasheet

MAX1640 Pinout, Pinouts
MAX1640 pinout,Pin out
This is one package pinout of MAX1640,If you need more pinouts please download MAX1640's pdf datasheet.

MAX1640 Application circuits
MAX1640 circuits
This is one application circuit of MAX1640,If you need more circuits,please download MAX1640's pdf datasheet.

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