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MAX1675

Maxim Integrated
Part Number MAX1675
Manufacturer Maxim Integrated
Description Step-Up DC-DC Converters
Published Jan 10, 2016
Detailed Description AVAILABLE EVALUATION KIT AVAILABLE MAX1674/MAX1675/MAX1676 High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC ...
Datasheet PDF File MAX1675 PDF File

MAX1675
MAX1675

Overview
AVAILABLE EVALUATION KIT AVAILABLE MAX1674/MAX1675/MAX1676 High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters General Description The MAX1674/MAX1675/MAX1676 compact, high-efficiency, step-up DC-DC converters fit in small µMAX packages.
They feature a built-in synchronous rectifier, which improves efficiency and reduces size and cost by eliminating the need for an external Schottky diode.
Quiescent supply current is only 16µA.
The input voltage ranges from 0.
7V to VOUT, where VOUT can be set from 2V to 5.
5V.
Start-up is guaranteed from 1.
1V inputs.
The MAX1674/MAX1675/ MAX1676 have a preset, pin-selectable output for 5V or 3.
3V.
The outputs can also be adjusted to other voltages using two external resistors.
All three devices have a 0.
3Ω N-channel MOSFET power switch.
The MAX1674 has a 1A current limit.
The MAX1675 has a 0.
5A current limit, which permits the use of a smaller inductor.
The MAX1676 comes in a 10-pin µMAX package and features an adjustable current limit and circuitry to reduce inductor ringing.
________________________Applications Pagers Wireless Phones Medical Devices Hand-Held Computers PDAs RF Tags 1 to 3-Cell Hand-Held Devices Functional Diagrams Typical Operating Circuit INPUT 0.
7V TO VOUT ON OFF SHDN LX MAX1674 OUT MAX1675 OUTPUT 3.
3V, 5V, OR ADJ (2V TO 5.
5V) UP TO 300mA LOW-BATTERY DETECT IN LBI LBO REF FB GND LOW-BATTERY DETECT OUT Pin Configuration0s.
1µaFppear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
____________________________Features o 94% Efficient at 200mA Output Current o 16µA Quiescent Supply Current o Internal Synchronous Rectifier (no external diode) o 0.
1µA Logic-Controlled Shutdown o LBI/LBO Low-Battery Detector o Selectable Current Limit for Reduced Ripple o Low-Noise, Anti-Ringing Feature (MAX1676) o 8-Pin and 10-Pin µMAX Packages o Preassembled Evaluation Kit (MAX1676EVKIT) _______________Ordering Information ...


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