Free Electronic Circuit Schematics » Adjustable Regulator http://www.free-circuit.com Circuit diagram for Power supply,Battery Charger,Power amplifier,Inverter,Converter Wed, 14 Dec 2011 00:09:59 +0000 http://wordpress.org/?v=2.8 en hourly 1 12Vdc 3A Adjustable Regulator Power supply circuit with LM317 http://www.free-circuit.com/12vdc-3a-adjustable-regulator-power-supply-circuit-with-lm317/ http://www.free-circuit.com/12vdc-3a-adjustable-regulator-power-supply-circuit-with-lm317/#comments Sun, 28 Feb 2010 11:38:49 +0000 admin http://www.free-circuit.com/?p=505 regulator 12V 3A circuit

regulator 12V 3A circuit

The LM317 is to provide an adjustable, positive 3-Terminal Voltage Regulator 100mA (RA87U control) or 1.5 A (Order Code UF27E and N61CA) over a range of output voltage of 1.2V to 37V. These voltage regulators are exceptionally easy to use and requires only 2 reistors external output set. Both line and load regulation are better established than standard regulators. Protection against overload is fully furnished with on-chip current limiting, thermal protection and safe area. This will remain fully functional even if the adjustment terminal is disconnected, making it virtually blow-out. Order UF27E comes in a TO-220-bag style. Order RA87U comes in a TO-92-style bag. Order N61CA comes in a TO-263-bag style.

]]> http://www.free-circuit.com/12vdc-3a-adjustable-regulator-power-supply-circuit-with-lm317/feed/ 0 2-36V adjustable regulator power supply circuit with LM1458 http://www.free-circuit.com/2-36v-adjustable-regulator-power-supply-circuit-with-lm1458/ http://www.free-circuit.com/2-36v-adjustable-regulator-power-supply-circuit-with-lm1458/#comments Mon, 01 Feb 2010 14:47:39 +0000 admin http://www.free-circuit.com/?p=460
18-36 power control
18-36 power control

This power supply circuit is adjustable 18-36 volts and is currently shown as being limited to 2 amps, but up to 3 amps in a small current sense resistor of Options (0.3 ohm). 2N3055 and 2N3053 transistors should be in wells. very hot right now and resistance is to be made at 3 watts or more. Voltage, which is controlled by 1 / 2 of the LM1458 Op Amp, or 1458-AMP. It can be replaced in the circuit below, but sources indicate pressure. Pin 8 to 30 VDC supply is limited, which may increase by 6.2 Vdc or 5.1 Vdc. Zener K-series resistance, is 8-pin. Maximum supply voltage DC for LM1458 and LM1558 are 36 and 44, respectively.

    Should be the power transformer. As expected the power supply. Enter at least 4 times the desired output voltage, but can not exceed the op-amp under conditions of low stress. Transformer is used as a center, see 25.2 volts AC / AMP 2 units to regulate the 24 volts at 0.7 amps, 15 volts at 2 amps or 6 volts at 3 amps. Output AMP 3 is the center of the water. Transformer that changes the position of 18 volts. All components must be an exception from Radio Shack LM1458 op-amp.

]]> http://www.free-circuit.com/2-36v-adjustable-regulator-power-supply-circuit-with-lm1458/feed/ 0 Power supply 1.2 to 25 Vdc circuit with LM350T http://www.free-circuit.com/power-supply-1-2-to-25-vdc-circuit-with-lm350t/ http://www.free-circuit.com/power-supply-1-2-to-25-vdc-circuit-with-lm350t/#comments Thu, 25 Jun 2009 01:44:52 +0000 admin http://www.free-circuit.com/?p=153 power supply 1.2-25 Vdc circuit

power supply 1.2-25 Vdc circuit

The Circuit Variable Power Supply Regulation ,You can adjust Voltage for output 1.2Voltage to 30Voltage at Current 5Amp . This circuit used IC LM350T – 3-Amp Adjustable Regulator
IC LM350T to Hold Heatsink. INPUT Voltage 35V 4A, OUTPUT 1.2V to 33V 3A.

]]> http://www.free-circuit.com/power-supply-1-2-to-25-vdc-circuit-with-lm350t/feed/ 3