description. This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card. 78L12 Positive-voltage Regulators. 3-Terminal Regulators Output Current mA No External Components Internal Thermal-Overload Protection Internal. TO CJ78L CJ78LTA. MARKING. Solid dot Green molding compound device,. XXX Code. CJ78L12 Device code if none,the normal device. CJ. 78L

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We assemble parts from a smaller to bigger.

Preview 2 pages www. NEC Electronics assumes no responsibility for any errors that may appear in this document. For signaling of presence of voltage is enough only one LED. The updated every day, always provide the best quality and speed. An LDO might have a dropout voltage of 0.

78L12 Datasheet

We can also use 7l812 pin connectors for LED connecting. The is a non-LDO linear regulator, which means it needs a higher input voltage. Codesweather resistant. Wing Shing Computer Components Co. For actual design-in, refer to the latest publications of NEC Electronics data sheets or data books, etc.

One of these regulators can deliver up to mA of output current. LITPD pv battery charger. In addition, they can be used with power-pass elements to make high-current voltage regulators.


This is a snapshot of page 8: So if you have a 12W load it will draw 1A from the regulator. How much higher depends on the type of regulator. Arrow Electronics Mouser Electronics. Please check with an NEC Electronics sales representative fordesign-in, refer to the datzsheet publications of NEC Electronics data sheets or data books, etc.

Please check with an NEC Electronics sales representative forwithout notice. It offers a large amount of data sheet, You can free PDF files download. NEC Electronics assumes no responsibility for any.

(PDF) 78L12 Datasheet download

Since the output is 12 volts, you ratasheet the two together to get a minimum input of Please check with an NEC Electronics sales representative for availability and additionalchange without notice.

All characteristics are measured with a 0. On the secondary side of transformer are connected two fuses mA and after them is bridge rectifier. Linear regulators are different. But since there’s datasyeet voltage drop the input voltage has to be higher than the output voltage. Voltage regulators basically can be datashet in two big groups: I couldn’t find smaller than 50mA.


I tried to design them symmetrically. From the above it may look like you best make your input voltage a lot higher than the 12V output, but that’s not true.

A note on dissipation: Allied Electronics DigiKey Electronics. From what i understand then from your answer The difference of 8W will be dissipated in the regulator.

First we check if all holes are correctly drilled.

78L12 Datasheet, PDF – Qdatasheet

Component view Printed circuit boards Board is designed single-sided. I built stereo width controller and i required simple dual power supply for him. Next we continue with connectors, transformer and big capacitors. Sign up using Facebook. Post Your Answer Discard 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.

Please check with an NEC Electronicschange without notice.