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LM317/LM350/LM338 Calculator

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Target Output Voltage (V):
Value R1 (Ohm):
Additional
Load Current (A):
Input Voltage (V):
R2 preferred series:
Микросхема LM317T LM350T LM338T
* Зависит от производителя микросхемы
Выходное напряжение 1.2...37 В 1.2...33 В 1.2...33 В
Макс. выходной ток 1.5 А 3 А 5 А
Макс. входное напряжение 40 В 35 В 35 В
Макс. рассеиваемая мощность 15-20 Вт * 25-50 Вт * 25-50 Вт *
Температурный диапазон 0° - 125°С 0° - 125°С 0° - 125°С
Корпус TO-220 TO-220 TO-220
Документация PDF1, PDF2 PDF PDF
Suresh 2014-08-13 09:15:11
i need 12v 1.3amp circuit and
16.5v 800ma circuit.

i tried with lm317,lm350,lm338 with heat sink.
but all are getting more heat while i cross above 200ma. if i use more than 200ma LM338 getting burn.

need help....

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↑ 0 ↓
RaBa 2013-12-24 19:33:14
Very Useful Calculator.
Clear Calculations.
Thanks..

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↑ 0 ↓
Arslan 2013-11-19 08:53:49
very usefull calculator
many thanks

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↑ +2 ↓
rafal 2013-10-24 23:28:59
Nice and usefull thanks!

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↑ +7 ↓
Angelo.E 2013-09-24 23:33:49
very well thought out!!!!
congratulations

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↑ -3 ↓
yair 2013-07-24 14:01:19
most clear calculator for LM317

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↑ -2 ↓
Abody.abydY 2013-04-30 02:18:05
Its nice, Thank you

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↑ +5 ↓

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