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15 volt 1 Amp regulated power supply circuit – Circuit Schematic
15 volt 1 Amp regulated power supply circuit
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12 volt cellar drain pump – Circuit Schematic
12 volt cellar drain pump
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9 v battery replacement – Circuit Schematic
9 v battery replacement
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car cigar lighter to usb power socket circuit – Circuit Schematic
car cigar lighter to usb power socket circuit
A USB port, in practice, is capable of supplying more than 100 mA of continuous electric current at 5V to the peripherals which are hooked up with the bus. So a...
Power supplies for microcontroller based projects – Circuit Schematic
Power supplies for microcontroller based projects
Here we are working on small microcontrollers like PICs and Atmel series, which are operating from 5V and require less than 100mA for complete system typically....
MAX34446 PMBus Power-Supply Data Logger – Circuit Schematic
MAX34446 PMBus Power-Supply Data Logger
Overview: The MAX34446 data logger for power supplies can monitor voltages for overvoltage and undervoltage, as well as for overcurrent conditions and overtempe...
Staggered- or Simultaneous-Output Voltage Sequencing/Tracking is Flexible for xDSL and Cable Modem Systems – Circuit Schematic
Staggered- or Simultaneous-Output Voltage Sequencing/Tracking is Flexible for xDSL and Cable Modem Systems
Power-supply controller has staggered voltage-output sequencing. Four voltage outputs turn on simultaneously for voltage tracking; two outputs for core and I/O ...
Isolated Power Supply Is Suitable For Telecom/Datacom Applications – Circuit Schematic
Isolated Power Supply Is Suitable For Telecom/Datacom Applications
A 50W isolated forward-converter switching supply for telecom applications is described. Most aspects of the design are discussed.....
Micropower Circuit Offers Automatic Shutdown and Low-Battery Lockout – Circuit Schematic
Micropower Circuit Offers Automatic Shutdown and Low-Battery Lockout
The micropower circuit provides shutdown, power-up, and low-battery lockout functions automatically, without the need for software or operator control.....
Sequencing with the MAX16046 System-Management IC – Circuit Schematic
Sequencing with the MAX16046 System-Management IC
Power-supply sequencing tutorial uses the MAX16046 system-management IC. Configuration software simplifies the configuration of the tolerances and the sequence ...
PoE+ Circuit Delivers 13W to 70W for Powered Devices (PDs) – Circuit Schematic
PoE+ Circuit Delivers 13W to 70W for Powered Devices (PDs)
It is possible to implement a PoE Plus-required power level of 30 W, with the aid of an external MOSFET and a controller designed for the older standard.....
±15V or ±12V Output Switch-Mode Power Supply Has Wide Input-Voltage Range – Circuit Schematic
±15V or ±12V Output Switch-Mode Power Supply Has Wide Input-Voltage Range
A switch-mode power supply provides ±15V or ±12V @ 0.5A output from a 4.5V to 12V input Wide input voltage range allows flexibility to be powered from a regul...
MAX8632 PCB Layout Optimization – Circuit Schematic
MAX8632 PCB Layout Optimization
This paper outlines a clear printed circuit board layout for implementation of the MAX8632 Integrated DDR Power Supply. This chip functions as an integrated DDR...
Low-Cost Complete Power Solution for Powered Devices Includes a 12V Buck Converter – Circuit Schematic
Low-Cost Complete Power Solution for Powered Devices Includes a 12V Buck Converter
MAX5953A provides a simple, inexpensive, complete, non-isolated power IC solution for Powered Device (PD) in a Power-over-Ethernet (PoE) system.....
IEEE 802.3af-Compliant Single-Port Power-Sourcing-Equipment Application – Circuit Schematic
IEEE 802.3af-Compliant Single-Port Power-Sourcing-Equipment Application
The IEEE 802.3af standard governs how the power-sourcing-equipment and power device interact with each other in a power-over-ethernet system.....
50W Current-Mode Forward Converter Design with the MAX8540 – Circuit Schematic
50W Current-Mode Forward Converter Design with the MAX8540
This application note details the design of a 50-watt, isolated, forward converter, using the MAX8540 synchronizable, high-frequency, current-mode PWM controlle...
overview current fed power processing – Circuit Schematic
overview current fed power processing
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hydrogen generation by ultra-short-pulse power supply – Circuit Schematic
hydrogen generation by ultra-short-pulse power supply
A novel method of hydrogen generation by water electrolysis using an ultra-short-pulse power supply Authors: NAOHIRO SHIMIZU, SOUZABURO HOTTA, TAKAYUKI SEKIYA ...
Negative Voltage Hot Swap Controllers in SOT-23 – Circuit Schematic
Negative Voltage Hot Swap Controllers in SOT-23
The LTC ®4251B/LTC4251B-1/LTC4251B-2 negative voltage Hot Swap controllers allow a board to be safely inserted and removed from a live backplane. Output curren...
Negative Voltage Hot Swap Controllers in SOT-23 – Circuit Schematic
Negative Voltage Hot Swap Controllers in SOT-23
The LTC4251/LTC4251-1/LTC4251-2 negative voltage Hot Swap controllers allow a board to be safely inserted and removed from a live backplane. Output current is c...