1 |
laptop PSU from an old hp dv2000
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material |
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100-240V AC to 19V 4.74A DC
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2 |
Modifying a notebook power supply
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tutorial |
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basic tutorial from hackaday
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3 |
Online calculator - EIA-96 SMD resistor
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tool |
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resistor calculator
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4 |
Over-voltage Protection Circuits
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tutorial |
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zener diode for over voltage protection
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5 |
SCR Thyristor Crowbar: overvoltage protection circuit
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tutorial |
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another crowbar circuit using zener diode and SCR for over voltage protection
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6 |
BZX84C20
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material |
BZX84_SER.pdf
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sot23 zener diode
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7 |
Lite on Acer AC-DC 19V Adapter schematic
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schematic |
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In russian, LTA301P datasheet missing
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8 |
TI Shunt Reference Considerations for Flyback Converters with Optocoupler Feedback
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tutorial |
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2:17 feedback process with tl431
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9 |
How does this flyback feedback circuit work?
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tutorial |
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Reply #1, when Vout surpass the threshold voltage, this will cause TL431 avanlanche the pin 1 and 3 like Zener diode, and optocoupler is active, then the feedback pin of SG6859A will be tied to 0 voltage, then duty circle reduces.
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10 |
SG6859A.pdf
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datasheet |
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Green-Mode PWM controller for Flyback Converters by Fairchild in res #9
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11 |
LD7750R-DS-00.pdf
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datasheet |
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Green-Mode PWM controller of LCD monitor power supply panel of my own
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12 |
tl431.pdf
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datasheet |
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Precision Programmable Reference (Voltage) by TI used in res #8
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13 |
Switching regulator fundamentals.pdf
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tutorial |
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TI document on switching regulator
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15 |
PHILIPS 170B4 LCD Monitor Switch Power Supply Circuit
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schematic |
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PHILIPS 170B4 LCD Monitor Switch Power Supply Circuit
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16 |
tea1533ap.pdf
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datasheet |
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SMPS (Switched Mode Power Supply) control IC by Philips used in res #15
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18 |
200W PC ATX power supply
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schematic |
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200W PC ATX power supply using TL494
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19 |
実験用スタンダード電源設計実例集
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book |
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トランジスタ技術SPECIAL
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20 |
Top224
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datasheet |
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PWM Controller used in pp.32 of res #19 by Toshiba, with transistor integrated
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21 |
Topswitch-GX family
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datasheet |
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More wattage than #20
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22 |
TA76431S
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datasheet |
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Voltage reference used in pp.32 of res #19 by Toshiba
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23 |
What is the best Reverse Voltage Protection Circuit? || Repairing a Lab Bench Power Supply
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tutorial |
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Reverse circuit protection (vincent)
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24 |
How to make a Softstarter and why it is sometimes mandatory to use!
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tutorial |
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soft starter
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25 |
LTSpice IV Buck Converter
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tutorial |
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LTspice basics
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26 |
crowbar circuit
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tutorial |
wiki page with a schematic using LM431
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Overvoltage protection
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27 |
220V SMPS Cell Phone Charger Circuit
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tutorial |
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* Schematic included
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