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MAX1771 Datasheet PDF

Part Series:MAX1771 Series
Category:DC-DC Converters
Description:DC DC Cntrlr Single-OUT Step Up 2V to 16.5V Input 8Pin SOIC N T/R
Document:MAX1771CSA+ Datasheet PDF (29 Pages)

MAX1771 DC-DC Converters Datasheet PDF

MAX1771 Datasheet PDF DC-DC Converters

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MAX1771ESA+T - Maxim Integrated Specifications

TYPE
DESCRIPTION
Number of Pins
8 Pin
Supply Voltage (DC)
3.00V (min)
Case/Package
SOIC-8
Number of Outputs
1 Output
Output Voltage
12 V
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MAX1771ESA+T - Maxim Integrated Function Overview

The MAX1771ESA+T is a high efficiency, low IQ, BiCMOS step-up DC to DC controller with preset 12V or adjustable output in 8 pin NSOIC package. A unique current limited pulse frequency modulation (PFM) control scheme gives this device the benefits of pulse width modulation (PWM) converters (high efficiency at heavy loads) while using less than 110µA of supply current. This controller uses miniature external components. Its high switching frequency of up to 300KHz allows surface mount magnetic of 5mm height and 9mm diameter. The output voltage is preset at 12V or can be adjusted using two resistors. The MAX1771 optimizes efficiency at low input voltages and reduces noise by using single 100mV current limit threshold under all load conditions. It drives an external N channel MOSFET switch allowing it to power loads up to 24W. The device is typically used in positive LCD bias generators, flash memory programmers, high power RF power amplifiers supply and battery powered applications.
Supply voltage range from 3V to 16.5V
Operating temperature range from -40°C to 85°C
Up to 24W output power
Maximum shutdown current is 5µA at V+ = 16.5V, SHDN >= 1.6V (shutdown)
Output voltage line regulation is 5mV/V at VOUT = 12V and ILOAD = 700mA
Output voltage load regulation is 20mV/A at VOUT = 12V and ILOAD = 0mA to 500mA
90% efficiency for 30mA to 2A load currents
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