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LM2941 1A Low Dropout Adjustable Regulator – Circuit Schematic
LM2941 1A Low Dropout Adjustable Regulator
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7809 Pin and – Circuit Schematic
7809 Pin and
7809 is a voltage regulator integrated circuit(IC) which is widely used in electronic circuits. Voltage regulator circuit can be manually built using parts avai...
7809 Pin and – Circuit Schematic
7809 Pin and
7809 is a voltage regulator integrated circuit(IC) which is widely used in electronic circuits. Voltage regulator circuit can be manually built using parts avai...
Time Controlled Power-Save Mode – Circuit Schematic
Time Controlled Power-Save Mode
More Flexibility For Low-Power Synchronous Buck Converters Modern synchronous buck converters for portable applications provide so called power-save mode operat...
discrete low drop regulator – Circuit Schematic
discrete low drop regulator
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5v dc converter circuit using ltm8031 – Circuit Schematic
5v dc converter circuit using ltm8031
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1 5v to 3v voltage converter – Circuit Schematic
1 5v to 3v voltage converter
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Layout Guidelines for the MAX16974/MAX16975/MAX16976 DC-DC Converters – Circuit Schematic
Layout Guidelines for the MAX16974/MAX16975/MAX16976 DC-DC Converters
Optimize the layout of the MAX16974/MAX16975/MAX16976 high-performance DC-DC converters, standard buck controllers designed for automotive applications.....
Current Limiting for the MAX1864 Auxiliary Regulator – Circuit Schematic
Current Limiting for the MAX1864 Auxiliary Regulator
Detailed discussion of how to add current limit or foldback current limit to the linear regulator controllers of the MAX1864. Can be used with other discrete re...
A Cheap Tiny LDO Provides up to 2A Output Current – Circuit Schematic
A Cheap Tiny LDO Provides up to 2A Output Current
Article shows how to add an NPN transistor and few external components to a shunt regulator to create inexpensive LDO. Tiny LDO uses no output capacitors and pr...
Micropower Regulated Charge Pump in 2 x 2 DFN – Circuit Schematic
Micropower Regulated Charge Pump in 2 x 2 DFN
The LTC3221 family are micropower charge pump DC/DC converters that produce a regulated output at up to 60mA. The input voltage range is 1. 8V to 5. 5V. Extreme...
Micropower Regulated 3.3V/5V Charge Pump – Circuit Schematic
Micropower Regulated 3.3V/5V Charge Pump
The LTC1754 is a micropower charge pump DC/DC converter that produces a regulated output. The input voltage range is 2V to 4. 4V for 3. 3V output and 2. 7V to 5...
650mA Micropower Low Noise Boost Converter with Output Disconnect – Circuit Schematic
650mA Micropower Low Noise Boost Converter with Output Disconnect
The LT3495/LT3495B/LT3495-1/LT3495B-1 are low noise boost converters with integrated power switch, feedback resistor and output disconnect circuitry. The parts ...
Voltage Regulator Calculation – Circuit Schematic
Voltage Regulator Calculation
Before you can design an adjustable voltage regulator into your circuit, or do a redesign, you need to calculate the values for two resistors. This is not diffi...
Ultra Low Drop Linear Voltage Regulator – Circuit Schematic
Ultra Low Drop Linear Voltage Regulator
This circuit is a Mosfet-based linear voltage regulator with a voltage drop of as low as 60mV at 1A. The circuit uses a 15V-0-15V transformer and employs an IRF...
Two-LED Voltage Indicator – Circuit Schematic
Two-LED Voltage Indicator
There are many applications where the accuracy of a digital or analogue (bar graph) is not required but something better than a simple low/high indicator is des...
Thrifty Voltage Regulator – Circuit Schematic
Thrifty Voltage Regulator
One of the drawbacks of a three-pin voltage regulator is that the input voltage needs to be 2. 5 3 V higher than the output voltage. This makes these integrated...
Supply Voltage Indicator – Circuit Schematic
Supply Voltage Indicator
This simple and slightly odd circuit can clearly show the level of the supply voltage (in a larger device): as long as the indicator has good 12 volts at its in...
Step-Down Converter Controller – Circuit Schematic
Step-Down Converter Controller
The TPS6420x controller is designed to operate from one to three series-connected cells or from a 3. 3 V or 5 V supply obtained from a USB port. At its output i...
Simple Under-Voltage Cut-Out – Circuit Schematic
Simple Under-Voltage Cut-Out
Sensitive low-current relay coils often operate at much lower voltages than their typical ratings. This can be undesirable in some applications, where low suppl...