The MAXREFDES1206 is a Power over Ethernet (PoE) powered device and active clamp forward converter that delivers up to 1A at 24V from a 39V to 57V supply voltage.
A portable device using the circuit of Figure 1 derives power from the USB bus. The MAX1811 uses USB power charges a lithium-ion (Li+) battery at, USB compatible, 100mA or 500mA rates. Battery power is then stepped up with the MAX1797 to create the 5V supply rail. The 5V supply rail is then stepped down with the MAX1837 to create the 3.3V supply rail. The circuit includes a low battery shutdown to protect the Li+ battery and offers a convenient charging LED.
How to use the 16-bit voltage output DAC AD5542A/AD5541A to achieve high-precision level setting
The MAX16974/MAX16975/MAX16976 high-performance DC-DC converters are standard buck controllers designed for automotive applications. This application note explains how to optimize the layout of these ICs. An example layout is provided at the end of the document.
Bidirectional Isolated High-End Current Sense Module with 270 V Common-Mode Rejection
This reference design is for a buck-boost LED driver. The MAX16834 current-mode high-brightness LED driver is featured, and the MAX16834 EV (evaluation) kit is used to implement the design. The application note shows the design specifications, schematic, bill of materials (BOM), and performance data.
Maxim's MAXREFDES27# reference design is a tiny, low-power IO-Link ® optical proximity sensor compliant with IEC 61131-9. It contains an infrared (IR) receiver, matching IR LED driver, IO-Link transceiver, and efficient step-down converter. The entire design fits on an 8.2mm x 31.5mm printed circuit (PC) board.
This reference design explains how to power the Xilinx Zynq Extensible Processing Platform (EPP) and peripheral ICs using Maxim's power-supply solutions.
The MAX17599 low IQ active clamp current mode pulsewidth modulation (PWM) controller contains all the control circuitry required for the design of isolated forward converter power supplies. The MAX17599 is optimized for low-voltage industrial (4.5VDC to 36VDC) power supply applications.
The MAXREFDES41# reference design is a high-efficiency, high-precision, isolated DC-DC forward converter with an active clamp, current-mode PWM controller. The converter accepts 18V to 36V DC input and delivers output current up to 3.5A at 12V . Test results and hardware files provide complete documentation for the design. The board is also available for purchase.
14-bit, 4-20mA loop-powered thermocouple temperature measurement system using ARM Cortex-M3
The MAXREFDES1202 is a dual-phase, buck converter reference design developed using the MAX17558, MAX15019A, and MAX17552. This reference design is rated to operate over a wide input voltage range from 15V to 55V. The design can deliver an output power of 360W at 12V.
This article demonstrates how to achieve current limit for the MAX1692 PWM step-down regulator by using a MAX4173H current-sense amplifier.
This application note presents a simple, cost-effective, pre-IEEE® 802.3at PoE+ Powered Decice (PD) solution that employs the MAX5941B. The preliminary requirements of PoE+ PDs are discussed, as is the advantage of extending the existing MAX5941B circuit to implement a PoE+ PD. Test results including inrush-current limit, efficiency, output ripple, and dynamic response are presented for a 3.3V, 30W PD.
This application note describes a two-phase, synchronous, step-down converter that is fully compliant with the AMD® K8 Low-Power Mobile Specification. It includes details of the circuit operation, schematic, bill of materials, and a 1.2 volt, 27.3 Amp reference design with test data.
16-bit industrial, isolated voltage and current output DAC, also provides isolated DC-DC power supply
This reference design for a 6A step-down LED driver is based on the MAX16821 device. This circuit drives a single LED. This design includes the circuit specifications, circuit schematic, and circuit description and performance.
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