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Abstract: This application note describes how to design boost converters using the MAX17597 peakcurrent-mode ControlLER. Boost converters can be operated in discontinuous conduction mode (DCM) orcontinuous conduction mode (CCM). This operating mode can affect the component choices, stress levelin power devices, and ControlLER design. Formulas for calculating component values and ratingsare alsopresented.
Abstract: Mechanical misalignment and scaling factors lead to a mismatch between the values coming from a touchscreen panel (as translated by a touch screen ControlLER) and the display (typically an LCD) on which the touch screenpanel is mounted. This tutorial discusses how to calibrate the touch screen panel to match the display.
Abstract: The MAX9930–MAX9933 family of RF ControlLERs and detector can be used in a wide variety of applications. Anideal application is cable television (CATV) over fiber, where either a RF ControlLER or a RF detector controls the gain of atransimpedance amplifier (TIA). This application note shows how the MAX9930 (RF ControlLER) can be used as either theRF ControlLER or detector.
Abstract: This document details the Oceanside (MAXREFDES9#) subsystem reference design, a 3.3V to 15V input,±15V (±12V) output, isolated power supply. The Oceanside design includes a high-efficiency step-up ControlLER, a36V H-bridge transformer driver for isolated supplies, a wide input range, and adjustable output low-dropout linearregulator (LDO). Test results and hardware files are included.
Abstract: The DS1875 features a pulse-width modulation (PWM) ControlLER that can be used to control aDC-DC converter. The DC-DC converter can then be used to generate the high bias voltages necessaryfor avalanche photodiodes (APDs). This application note describes the operation of a boost converterthat uses the DS1875. Discussion covers the selection of the inductor and switching frequency, and theselection of components that improve the efficiency of the converter. Test data are presented.
Abstract: Uses the MAX641 switching ControlLER and an external discrete charge pump to step up the input voltage. This circuitcan service low loads and is efficient when the output is two, three, four times the input voltage. Adding the MAX627 MOSdriver can further increase the output current capability.