MAX1771CSA

step-up switching controller, SOIC8, 727mW, 2V to 16.5V Input Range, 30mA to 2A, Evaluation Kit Available

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Price:: US $2.34~2.54 / piece [Get Latest Price]

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	US $2.34~2.54

PartNumber:: MAX1771CSA

Brand:: Maxim Integrated Products - Maxim | Pack: SOIC | D/C: 04+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-10-08

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Part Number:MAX1771CSA
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Product Summary

The MAX1771CSA is a step-up switching controller. The device provides 90% efficiency over a 30mA to 2A load. A unique current-limited pulse-frequency-modulation (PFM) control scheme gives the MAX1771CSA the benefits of pulse-width-modulation (PWM) converters (high efficiency at heavy loads), while using less than 110μA of supply current (vs.2mA to 10mA for PWM converters). The applications of the MAX1771CSA include Positive LCD-Bias Generators, Flash Memory Programmers, High-Power RF Power-Amplifier Supply, Palmtops/ Hand-Held Terminals, Battery-Powered Applications and Portable Communicators.

Parametrics

MAX1771CSA absolute maximum ratings: (1)Supply Voltage, V+ to GND: -0.3V, 17V; (2)EXT, CS, REF, SHDN, FB to GND: -0.3V, (V+ + 0.3V); (3)GND to AGND: 0.1V, -0.1V; (4)Continuous Power Dissipation: 727mW; (5)Operating Temperature Ranges: 0 to +70℃; (6)Junction Temperatures: +150℃; (7)Storage Temperature Range: -65 to +160℃; (8)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX1771CSA features: (1)90% Efficiency for 30mA to 2A Load Currents; (2)Up to 24W Output Power; (3)110μA Max Supply Current; (4)5μA Max Shutdown Current; (5)2V to 16.5V Input Range; (6)Preset 12V or Adjustable Output Voltage; (7)Current-Limited PFM Control Scheme; (8)Up to 300kHz Switching Frequency; (9)Evaluation Kit Available.