LM385Z DATASHEET PDF

Order Number LMZ,. LMBXZ, LMBYZ LMZ, LMBZ LMBXZ or LMBYZ See NS Package Number Z03A . LMBXZ, LMBYZ LMZ, LMAXZ LMAYZ, LMBZ,. LMBXZ or LMBYZ See NS Package Number Z03A. LMZ/NOPB Texas Instruments Voltage References MICROPWR VLTG REF DIODE datasheet, inventory & pricing.

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I changed R2 and R3 to 47k and 22k and all works fine! D2 and D3 cannot magically make 5 volts appear at the junction of R1 and R2 if the basic voltage at the point is less than 5 volt when D2 and D3 are not present.

LMZ Texas Instruments National Semiconductor | Ciiva

By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Em Ka 48 7.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Besides, from what I understand voltage across anode of D1 and cathode of D2 should be always 5V, right? To achieve the desired result descending resistance R1. The circuit operates as a resistive voltage divider. Tony EE rocketscientist 62k 2 21 Those dtasheet are not batteries. If you don’t feed them with enough current and voltage they are just resistors.

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Dataseet problem you’re encountering is that R1 is so high that it doesn’t let enough current flowing through to operate the diodes as they should. Em Ka, D2 and D3 ‘start working’ when the eatasheet is higher to 5V in. Sign up or log in Sign up using Google. I’m doing a simple circuit using LM And it is so, if R2 and R3 are not present in the circuit.

Add that to your 5Volts, and you have I don’t understand what you mean by resistive voltage divider – could you please explain? Post as a guest Name. Datashert when I measure it, OUT is only 2. When the voltage is less than 5V they can be neglected.

LMZ/NOPB – Texas Instruments – PCB Footprint & Symbol Download

As if they are not. You need to drop the 10K to a lower value, or use two batteries, but make sure you don’t exceed the maximum bias currents for your references.

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LM385Z-1.2 Datasheet

The diodes need, according to the datasheet, a minimum of 20 uA to operate. You can’t do this with one 9V battery.

However, at 4V voltage dataheet, the 10k resistor can only provide 0. Just think about it a while and calculate what the voltage at that junction is with D2 and D3 removed.

You must select a value well below this.

That adds up to a minimum of 0. This, of course, ignores your bias current through your LM AltAir 2 Then the curtain will rise.

Select a lower value for R1.

Lm385z Datasheet Marvelous Lm385z 1 2 Datasheet Pdf On Semiconductor

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Could someone explain me please what am I missing? Email Required, but never shown.