How to make a Negative 10V fixed voltage DC power supply | Power supply | Using LM7910


How to make a Negative 10V fixed voltage DC power supply | Power supply | Using LM7910

10v fixed 1Amp negative power supply regulator.

This is a simple negative power supply circuit diagram. In this circuit, an input negative voltage of -12.5V to -25V can be used, with a fixed output negative voltage of -9.6V to -10.4V. This power supply can drive negative -10V, 1amp, and 15-watt devices. It can be used as a 15 watt devices. This power supply uses a voltage regulator lm79010 IC. DC to DC voltage can be converted through this circuit. This is called a stop-down negative power supply.

Circuit Diagram

Negative 10V fixed Voltage ckt Diagram

Circuit Components

  1. LM7910 voltage regulator [See Buy Click Amazon]
  2. 1uf,50V Capacitor [See Buy Click Amazon]
  3. 0.1uf,50V Capacitor [See Buy Click Amazon]

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Components used to Simple Mobile Charger:

  1. 1uf,50V Capacitor
  2. Capacitor,50V,1uf

    The capacitor is a Two-Terminal detached part having the Property of Capacitance This Property Zaps (accusing of power) Capacitors with input Voltage. Capacitors Gather Power, Thus it is otherwise called a Condenser. It comprises two Electrical Conveyors that are Isolated by Distance. The Capacitor Stores Charge and can carry on like a Battery. It is fundamental for channel Circuits to Limit voltage spikes, and Smoothing changes in voltage.

  3. LM7910 Voltage Regulator
  4. LM7910

    The LM7910 voltage regulator fixed-voltage is an integrated circuit (IC). The Voltage Regulator provides constant output voltage even if its load or input voltage changes.LM7910 is a monolithic 3-terminal negative voltage regulator. It provides a fixed regulated output of -9.6V to -10V DC for a variable input voltage range of -12.5V to -25V DC. The maximum output current is 1.5 A. The dropout voltage of LM7910 is 2V. LM7910 IC is in compact packaging with 3 pins for negative input voltage/negative output voltage and ground pin. It has internal thermal shutdown, short-circuit and SOA protection, and an output capacitance of 0.5 pF.

  5. 0.1uf,50V Capacitor
  6. 0.1uf 50v Capacitor

    The capacitor is a Two-Terminal detached part having the Property of Capacitance This Property Zaps (accusing of power) Capacitors with input Voltage. Capacitors Gather Power, Thus it is otherwise called a Condenser. It comprises two Electrical Conveyors that are Isolated by Distance. The Capacitor Stores Charge and can carry on like a Battery. It is fundamental for channel Circuits to Limit voltage spikes, and Smoothing changes in voltage.

Frequently Asked Questions:
What is the maximum input voltage of LM7910?

LM7910 maximum input voltage is 25V.

What is the minimum input voltage of LM7910?

LM7910 maximum input voltage is 12.5V.

What is the maximum output current of LM7910?

LM7910 maximum output current up to 1amp

What is the number of LM7910 terminators?

The number of LM7910 terminals is three.

What is the peak output current of LM7910?

LM7910 peak output current up to 2.2amp,25"C.

Video: Circuit Test

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