Power Supply Circuit

40V Regulated Power Supply Circuit with LM317T+TIP42
Voltage Doubler X2 Circuit with ICL7660
Regulator 6V 3W for a Hub Dynamo bicycle
48V PHANTOM POWER SUPPLY with TL783C
Voltage doubler with IC 555
Variable Dual Lab Power Supply with LM317,LM337
12V Input, 3.3V Output, 10A Synchronous Buck Controller
Low Dropout Positive Regulators 5A with LM1084
Boost up current to 8 Amps from a LM2575
2-30V 5Amp Power Supply Regulator With LM317,741,2SA1186
5V -1A Power Supply with LM2575
Variable DC Power Supply Voltage range 0.7 - 24V, Current limiting range 50mA - 2A
Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812
Regulator 1.25-30V 1A By LM317T
Power supply regulator 0-30V 1A by IC 741 + Transistor 2N3055 & 2N3565
Regulator 0-30V 5A by IC 723 & 2N3055 -2part
High power supply regulater 0-30V 20A by LM338
Power supply regulator 0-50V 2A by IC LM723 + Transistor 2N3055 & BD140 & A671
Power supply regulator 0-35V 2A by IC LM723 + Transistor 2N3055 & BD140 & A671
7805+Mj2955 power supply 5V 5A for digital circuit.
Regulator 12V 10A by IC 723+2N3055
Regulator 0-30V 2A by IC 723 & 2N3055
Power supply regulator +15V -15V 1A by IC 7815 & 7915
Circuit power supply regulator +15V +30V -15V -30V 1 A by Transistor C1061 & 2N3053
Simple power supply regulator 12V 15V 30V by Zener diode
Supply 9VDC no transformer
Regulator 5V 3A by IC LA5105
Simple Regulator By Transistor (C1061)
DC Power Supply 1.25V to 25V
12V 5A power supply Regulator with LM1084IT-12
Circuit Power Supply +5 to +25V, -5V to -25V 1A with IC 7805,7905
Digital 5V Power Supply using IC L296
Easy power supply 0-15V , 0-1A
Dual-rail Variable DC Power Supply with LM358
Power Supply 0-300V DC Adjustable
6V backup battery power supply regulator with IC 7805
Transformerless Power Supply
Soft Start Power Supply with IC LM317 and L200
Battery Backup Supply with IC 7812 and 7805
LM2678 DC to DC step down voltage regulator.
5V Supply Derives Power From 3-Wire RS-232 Port
+12 Volt Supply with TIP31,2N3904
Constructing the -12 Volt Supply
Dual Power Supply +/- 15V with 7815,7915
dual power supply 3V,5V,6V,9V,12,15V with LM317,LM337
Howto build your own Power Supply :: Circuit MakingCurrent Limiting Bench Power Supply with L200
3-30 V/2.5 A Stabilized power supply with LM723 and 2N3055
7824 Single Power Supply 25V 2A with IC 7824 and TIP2955
LM317 Linear power supply Regulator selector 1.5V,3V,4.5V,5V,6V,9V 1.5A
L200 Variable Power Supply 3 to 15 volts 2Amp
Variable Dual Lab Power Supply by LM317 and LM337
Op amp makes precise 9V-battery splitter
-12V to -5V/400mA Regulator Ensures Sequencing With 5V Rail
Variable DC Power Supply with 2N3055
Basic UPS Power Supply with 7805
0-30 VDC Stabilized Power Supply With Current Control 0.002-3A
DC Power Supply
LM338 Power Supply Regulator 13.8V 5A
LM338 Power Supply Regulator 13.8V 5A
LM350T Power Supply Regulator 1.2V to 30V 3A
LM337T Adjustable Negative Regulator
LM317 - Adjustable Regulator 1.5A
L200 Current Limiting Power Supply
Power Supply Regulator by IC L200
Boosting Regulator Current for IC 78xx by MJ2955
IC LM723 - Voltage Regulator
5-13V Power Supply with IC 7805 & CA3140
Supply Splitter with IC 741& TIP41,TIP42
Car Cassette Power Supply
Unregulator Power Supply
Regulator Booster by transistor
Single IC Power Supply by 78xx
Regulated Power Supply by Transistor (TIP31)
Regulator 1.25-30V 1A By LM317T
Regulator 0-30V 1A By Transistor (C1061)
make 1.5V to 5V
Circuit Power Supply Regulator 0.1-50V 1A by IC CA3130 , CA3086 , 2N3055
power supply regulator mini 9V 0.75A by Transistor
power supply regulator 12V to 9V converter by LM317
Power Supply Voltage Adapter for Car by 2N3055 TL431 Simple Voltage Regulators
TL431: Can it regulate 300V DC?
Voltage Adapter for 1.4 Volt Device
Adapter for Experimenter, Dual for Digital and Analog Supply 5V and 9V
Adjustable power supply using LM317 (link)
Adjustable Power Supply by IC LM338K (link)
Regulator Circuit by L200
+5V Regulator Circuit
A low cost step-up converter by IC 555
PC Power 12 V Current Limiter
+/-12V to +/-5V Power Supply Regulator By LM317 and LM337
Dual Regulated Power Supply +/- 15V 7815,7915
Automatic Solar Power Supply Circuit
Misc. Regulator Circuits by 2N4401
POWER SUPPLY 0-12V 0.7A max 2A
Power Supply Current and Voltage Regulated By LM317 or LM350
5v Regulated Solar Power Supply Circuit
Voltage Regulator by IC 741
Logic PSU with Overvoltage Protection by IC 7805
Increasing Regulator Current by 78XX +MJ2955
12 Volt Low Voltage Droput Precision Regulator with LM324
High Current Regulated Supply By LM317
LM317T Voltage Regulator with Pass Transistor
Power-Off Time Delay Relay
Power-On Time Delay Relay
Variable Voltage and Current Power Supply
Variable 3 - 24 Volt / 3 Amp Power Supply
Low Voltage, High Current Time Delay Circuit
Simple Adjustable Voltage Source
Interfacing 5 volt CMOS to 12 volt/ 25 Watt Loads
DC Power Supply 5-22V by 7805
LM350T Power Pulse Generator
Precision LED Regulator by LM337T
PC 12V ADAPTER
POWER SUPPLY ATX PC 200W
LM350 - 3-Amp Adjustable Regulator
LM338 Power Supply Regulator 13.8V 5A
LM317 - Adjustable Regulator 1.5A