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I am havin trouble understanding the datasheet; calculation of the two ext resistors that adjust Vout and the load current resistor that adjust Iout. Better still anyone who can give me a schematic so i can jst construct it i would be very grateful i’m jst a l engr student.

Last edited by deze4; 26th August at Please don’t make requests for lm3966k in private using PM.

LM396K Datasheet

Create a thread in the forum so that other members can benefit from the posted answers. Consider reading this before posting: You can use for higher output voltage but the difference between Vin-Vout should not exceed the specifications at the recommended Junction Temperature.


But in this case you have to have a minimum load always present until the power to the regulator is on. If you look page 9 of the datasheet it gives you the complete information and calculating R3.

LM396 PDF Datasheet浏览和下载

Here are few graphs for your reference for selecting heat sink without complex calculations: Hope it may help a bit, any further query is welcomed. My circuit works fine except for 1 thing the voltage drops by 0. Last edited by deze4; 30th August at Also i’m jst dtaasheet curious; will the lm always deliver by default 5A, Irrespective of the current input from the dc source.

I have a feeling its the fault of the variable resistor perhaps the resistance decreases as temp increases. Using single 12V supply to deliver 12V and 5V Part and Inventory Search. Losses in inductor of a boost converter 8. AF modulator in Transmitter what is the A?

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LMK (National Semiconductor) – 10 Amp Adjustable Voltage Regulator | eet

Hierarchical block is unconnected 3. Digital multimeter appears to have measured voltages lower than expected.

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How reliable is it? Equating complex number interms of the other 6. CMOS Technology file 1.

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