34063A DATASHEET PDF

ORDERING INFORMATION. See general marking information in the device marking section on page 11 of this data sheet. DEVICE MARKING INFORMATION. 1. A Switching Voltage Regulators are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for A Switching Voltage. DESCRIPTION. The MCA series is a monolithic control circuit delivering the main functions for DC-DC voltage converting. ORDERING INFORMATION.

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Then it slowly adjusts PWM to keep battery voltage at the correct regulation and also limit current during the initial bulk charge to 1.

A (ETC) PDF技术资料下载 A 供应信息 IC Datasheet 数据表 (2/2 页)

This would be easier to see with a wider time period for looking at the output ripple voltage. What it also does not datasjeet is Bluetooth, but since it uses the more current op sys the op sys supports Bluetooth. Articles Top Articles Search resources.

I’ll have to dig out my parts and build up a breadboard too next. Let me know what you think about this if you can.

Oh ok, they also include home made boot strap drivers, which is a nice change. No way around it. You must log in or register to reply here. You might be able to get similar specs in something convenient like a TO pack but since it doesn’t need heatsinking you could use 3406a package 344063a.

I was wondering if you might have some notes on this or if not if you would be interested. To Fernando; thanks for pointing out the TI appnote on gat edriving, I downloaded a copy.

Basically it used the current limit peaks to 334063a the osc period from Found some P channel devices, price range 1. The other regulation occurs from the datasehet limit sense resistor.

Operation is pretty simple; the PIC has 2 ADC channels, and monitors the battery voltage and current sense resistor voltage.

From what i have read now some dont work and some do, so it’s a toss up. To get this effect you need the current limit set to about 1. Hi MrRB, Oh yeah pretty nice!

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It could be the Linux ones work but im not sure yet as i am quite new to this operating system and hardware. Unfortunately, I can’t draw the circuit in my phone and won’T be back home daasheet the 2nd of Jan. I’ll read it and see what it has to offer then get back here with some comments.

Hmm, if you want to use bluetooth for data interfacing to the tablet there are lots of cheap bluetooth modules on ebay, just watch out as some are just the “module” but need a carrier PCB which means you need to make a PCB, datashest are a fraction more expensive but have the carrier PCB included togther with the module. So with the parts values I chose it was peaking on the current limit and in sync with the inductor ripple and the internal oscillator.

It is shown for a N-chan Fet, 34063aa the diode and transistor polarity.

34063A Datasheet

Inspriation come from 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: The fig13 example should be workable fine for the PFET, it just needs to be inverted and then driven from the junction between the two resistors.

The Tablet load could be represented by a load that changes in value like a lower to higher resistance and then back again depending on mode of operation either strictly running the device or both running and charging or just charging, and if charging what state the battery is in. The only problem i am having now is interfacing my circuit to the Tablet because my Tablet doesnt have Bluetooth.

Hi Mr AL, thanks. Replacement Transformer Started by ncag Today at 7: 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 was thinking of an entire inverted scheme, but this looks interesting too. All the simulations always datasheeh at least some deviation from the normal ripple.

Potentiometer Questions Started by norbss Yesterday at Saves a voltage regulator i guess As you recall my original question was for a regulator for use with a Tablet computer, well on a related note, have you tried interfacing with a Tablet computer yet?

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Hi MrRB, 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. Let me elaborate just a little. 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.

Since 43063a efficiency is 93 percent at 1 amp out this should work nicely.

34063A PDF Datasheet浏览和下载

Problem is getting a BT adapter that works with the Android Tablet. The has two types of regulation; the normal voltage regulation has a fixed on period and fixed frequency, and will skip on periods or cut some on periods in size to maintain voltage out. I think i can wing it with the parts i have, especially once i read that line from fernando which might help too cause i have so many N channel devices on hand. For a better experience, please enable JavaScript in your browser before proceeding.

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Hello MrRB, Thanks for posting that circuit, it looks very promising. I take it you can write tablet apps like a program to display the voltages? Datasheeh charger automatically selects between 7. I’ve even considered electrical stimulation of the touch pad itself in a designated area of the screen but datashee would be exceptionally slow, too slow for my purpose. All the time however we need 5v regulation, so that means we absolutely have to use the voltage regulation mode of xatasheet ic chip.

This language allows quick changes right on the Android Tablet so i can set up different things quite easily. Thanks for the link, this should help too because i have a lot of good N channel low Rd devices already on hand.

Hi MrAL, sorry I don’t have any tablet experience at all, not owning one.