The MCA Series is a monolithic control circuit containing the primary functions required for DC−to−DC converters. These devices consist of an internal . Step Down / Step Up / Inverting DC-DC Converter MCC. Apr. – Rev. – 1 -. HTC. SOP-8 PKG. DIP-8 PKG. ORDERING INFORMATION. Device. MCA/B. Jan. – Rev. – 1 -. HTC. SOP-8 PKG. DIP-8 PKG. ORDERING INFORMATION. Device. Package. MCAD. MCAGD.
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Shenzhen Sanland Technology Co. I’m not sure who cloned who. Media New media New comments Search media. Inspriation come 3063 ETO member Mr Al who mentioned his interest in a high efficiency 5v supply to power his Tablet PC during power blackouts etc, see his thread here; http: When was it introduced? Well, i am aware of how a peak current limit works in regulators but that’s not really the kind of regulation i would need for this project.
Found some P channel devices, price range 1.
Forums New posts Search forums. It does support Bluetooth. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.
What it also does not have is Bluetooth, but since it uses the more current op sys the op sys supports Bluetooth. Then it slowly adjusts PWM to keep battery voltage at the correct regulation and also limit current during the initial bulk charge to 1.
HTC273, HTC-3000, HTC34063
I was looking for about 1 amp nominal output current with up to 2 amp capability. This language allows quick changes right on the Android Tablet so i can set up different things quite easily. Oh ok, that’s an app note about gate drivers I thought it was an app note that pertained directly to that chip.
This question appears to be off-topic because it is not about electronic design. Let me know what you think about this if you can.
12v to 5v DC high efficiency SMPS buck converter using 34063 IC.
Please note that when i started that thread i thought the BASIC language would somehow handle an RS connection, but apparently it doesnt as i 3403 now read. Problem is getting a BT adapter that works with the Android Tablet. Sometimes it’s good to have a sense of the history of electronics. Hello MrRB, Thanks for posting that circuit, it looks very promising.
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SZ Goldensun Electronics Co. BTW, when you look at the output waveshape for a while do you see any quick jumps once in a while? I’ll read it and see what it has to offer 334063 get back here with some comments.
No way around it. Here’s how the board turned out, tidied up a bit and neat enough to be buried deep in a robot chassis. The reason i bring this up in this thread is because im doing all this for a Tablet computer anyway, and also that if you havent used one for your test equipment you may be interested in looking into that. I added a brass angle shim and large sloder blob to cool the PFET which now never gets much warmer than body temp.
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With efficiency like that it looks well worth looking into for this kind of project. Basically it used the current limit peaks to shorten the osc period from Hi MrRB, Oh yeah pretty nice! But you may want to go with Bluetooth if you are interested.
MC Calculator Online > Step-Down, Step-Up, Inverter
Datasheets, Manuals or Parts. Wuxi Yarun Semiconductor Technology Co. All the time however we need 5v regulation, so that means we absolutely have to use the voltage regulation mode of the ic chip.
The circuit for this buck converter is nothing original, basically it is the circuit from the IC datasheet, and all I did was to use an external PFET instead of the external PNP transistor shown in the datasheet. I started a new thread about this subject a few days ago: