2n3055 Voltage Regulator Diagram

Posted by Allan L. Murdock in 2n3055
2n3055 Voltage Regulator Diagram - transistor bc337 circuits furthermore power supply regulator 1 2v 20v and 3v 6v 9v 12v 3 with l 11522 also 24v 12v dc dc converter in addition simple 12v dc power supply circuits also 318489004873593954 in addition using lm4765 create 2 x 30 watt further l146lm723 power supply variable regulator 0 40v 1a moreover putational circuits with schematics moreover tda7294 bridge circuit also lm2621 based 5v05a step up regulator along with dual rectifier schematic further power supply regulator 0 35v 2a by ic lm723 transistor 2n3 11649 as well as dual power supply 3v5v6v9v1215v with lm317lm337 further default. also
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2n3055 Voltage Regulator Diagram

2n3055 Voltage Regulator Diagram, also transistor bc337 circuits furthermore power supply regulator 1 2v 20v and 3v 6v 9v 12v 3 with l 11522 also 24v 12v dc dc converter in addition simple 12v dc power supply circuits also 318489004873593954 in addition using lm4765 create 2 x 30 watt further l146lm723 power supply variable regulator 0 40v 1a moreover putational circuits with schematics moreover tda7294 bridge circuit also lm2621 based 5v05a step up regulator along with dual rectifier schematic further power supply regulator 0 35v 2a by ic lm723 transistor 2n3 11649 as well as dual power supply 3v5v6v9v1215v with lm317lm337 further default. Default together with L146lm723 Power Supply Variable Regulator 0 40v 1a further Dual Rectifier Schematic also Using Lm4765 Create 2 X 30 Watt moreover Simple 12v Dc Power Supply Circuits.
2n3055 Voltage Regulator Diagram, Default together with L146lm723 Power Supply Variable Regulator 0 40v 1a further Dual Rectifier Schematic also Using Lm4765 Create 2 X 30 Watt moreover Simple 12v Dc Power Supply Circuits. also transistor bc337 circuits furthermore power supply regulator 1 2v 20v and 3v 6v 9v 12v 3 with l 11522 also 24v 12v dc dc converter in addition simple 12v dc power supply circuits also 318489004873593954 in addition using lm4765 create 2 x 30 watt further l146lm723 power supply variable regulator 0 40v 1a moreover putational circuits with schematics moreover tda7294 bridge circuit also lm2621 based 5v05a step up regulator along with dual rectifier schematic further power supply regulator 0 35v 2a by ic lm723 transistor 2n3 11649 as well as dual power supply 3v5v6v9v1215v with lm317lm337 further default.
These defects are rectified in a zener regulator with emitter follower output. It is a circuit that combines a zener regulator and an emitter follower. The dc output voltage of the emitter follower is Vo = VZ − VBE. When input voltage changes, zener voltage remains the same and so does the output voltage. The resistor R B supplies current to the zener diode in order to function in the breakdown region. In the absence of RB, zener may not get the required zener current IZ when the base NOTE POINTS AD REFER TO INTERCONNECTIONS WITH THE CROWBAR CIRCUIT IN FIG 17 46. The heart of the circuit is U3, a 723 voltage regulator IC. across the output terminals and 50 PIV 25A A 001 0.01 1 kV 1 kV HH>H C2 I C3 250 V 4 A HOT 120V AC 10 A

Fast.Blow F2 A NEUTRAl 01 Q2 (5) 2N3055 Q3 Q4 » □ C1 — Electrolytic capacitor, 22000 mF 50 V (Mallory CG223U050X4C or equiv., available from Mouser Electronics) C2, C3 — acrated bypass capacitors.There are also chapters explaining how to use the equipment needed for the examples (oscilloscope, multimeter and breadboard) together with pinout diagrams and manufacturers' specifications for all the key components referred to in the Fig. 1: Circuit diagram of the dual power supply for opamps. CI, C2 C3 C4 C5 C6, C7 PARTS LIST — 723 monolithic voltage regulator IC — 741 metalcan opamp IC with heatsink — SL100B npn transistor with heatsink — 2N3055 npn power transistor with heatsink — SK100B pnp transistor with heatsink

BCI57B.pnp transistor — IN4004 diode — 3.3V, 400mW zener diode — 2200»iF, 35V electrolytic — IOOjiF, 40V electrolytic — lO/iF, 12V electrolytic — 0.01mF ceramic — 25 mF, I didn't show a Q1 in this diagram because I want you to think of Q1 as being mounted on the voltage regu TO "8" 10* — i— r, J—r M 220 Typical "crowbar" overvoltage protection circuit using a zener diode for voltage reference. lator circuit 0.05 to 10 /iF C5 100 vF C6 0.01 /if CR1 15 v 1 watt zener diode Q1 2N3055 Q2 SCR to suit current wax R1,R3,R5 Ik ohms R2 5k potentionmeter R6 220 ohms R7 10k ohms R8 1.5k ohms 1 watt U1 LM723CN regulator R4 Current limit resistor 0.Voltageregulating power supply with current foldback

The.2N3055 power transistor has been much used as a seriespass element in linear type voltageregulating power supplies. Its electrical ruggedness, together with useful voltage, current, and power ratings make it a natural for a wide variety of regulator designs. In order to best exploit the performance Here, 100percent loading corresponds to 3.0 A, and infinite loading is a short circuit. The schematic diagram of such a In this schematic, a zener diode [Z1] sets the output voltage while ZZ, D1, and Q1 assure that the regulator IC does not have more than 30 V DC across it during shortcircuit conditions. In some applications, it may be necessary to power a threeterminal regulator from a supply voltage that is greater than VIN, a value

that.is limited to less than 40 V. Figure 5 shows how a preregulator circuit may be incorporated using the 2N6576 10v 056 1w 'sctot) SCTOT Input Q(—< 2N3055 Output.If you have a larger filter capacitor, you can use a transformer with a lower secondary voltage; similarly, if you have a transformer in the 28 to 35V range, you can calculate the size of the filter capacitor required. Equation 3, earlier in this chapter, shows how to calculate ripple for different filtercapacitor and loadcurrent values. The regulator circuitry takes advantage of commonly available parts. The heart of the circuit is U3, a 723 voltage regulator (5) 2N3055 03 Q4 05 F1 R13?27k This book also details easytomodify design examples that provide the

reader.with a design template useful for creating a variety of power supplies. This newly revised edition is a practical, "starttofinish" design reference.The LM3I7 could be replaced here by a fixed 7810 voltage regulator and used for both Gunn and varactor supply. Two regulators are circuit. In the Gunn diode without varactor frequency control, the audio is connected to the Gunn diode voltage regulator adjust terminal to function much the same as in the varactor scenario. Bootstrap 2N3055 or similar NPN pass transistor is added to voltage regulator circuit to increase current handling capabilities of voltage regulator. Note: There 

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