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TPS7A4700 Ultralow-noise LDO regulators PCB, 5/3PINs with Enable and Feedback inputs
TPS7A4700 Ultralow-noise LDO regulators PCB, 5/3PINs with Enable and Feedback inputs
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Old 23rd June 2018, 03:59 PM   #41
sq225917 is offline sq225917  United Kingdom
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Send a message via MSN to sq225917 TPS7A4700 Ultralow-noise LDO regulators PCB, 5/3PINs with Enable and Feedback inputs
Yes, the dual board. It can't power my Mytek Brooklyn which draws 800mA at 12v. I'm giving it enough voltage headroom on the input, the drop is more than 200mA, that was just the top of my head figure.
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Old 23rd June 2018, 05:18 PM   #42
oxothuk is offline oxothuk  United Arab Emirates
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Originally Posted by sq225917 View Post
Yes, the dual board. It can't power my Mytek Brooklyn which draws 800mA at 12v. I'm giving it enough voltage headroom on the input, the drop is more than 200mA, that was just the top of my head figure.

What is the input voltage? (as i understand - output is 12v 800ma)
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Old 24th June 2018, 10:10 PM   #43
misterdog is offline misterdog  United Kingdom
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13v dc coming off a lt3083 3 amp pre-reg board. Which currently powers the brooklyn.

Last edited by misterdog; 24th June 2018 at 10:15 PM.
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Old 25th June 2018, 01:31 PM   #44
oxothuk is offline oxothuk  United Arab Emirates
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Originally Posted by misterdog View Post
13v dc coming off a lt3083 3 amp pre-reg board. Which currently powers the brooklyn.
13Vin/12Vout @0.8A - should work without heatsink (IC temp should be ~40C above ambient).
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Old 25th June 2018, 02:37 PM   #45
sq225917 is offline sq225917  United Kingdom
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Send a message via MSN to sq225917 TPS7A4700 Ultralow-noise LDO regulators PCB, 5/3PINs with Enable and Feedback inputs
Unfortunately, it craps out. I'll take another look at it tonight. I suspect it may be my fault somehow.

When do you think the new boards will be ready?
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Old 27th June 2018, 04:49 PM   #46
oxothuk is offline oxothuk  United Arab Emirates
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Originally Posted by sq225917 View Post
When do you think the new boards will be ready?
listed
LT3045-1A5 Ultra Low Noise LDO</br> Voltage Regulator
LT3045-1A5IO Ultra Low Noise LDO</br> Voltage Regulator
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Old 11th July 2018, 10:22 PM   #47
oxothuk is offline oxothuk  United Arab Emirates
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Fully Assembled
Attached Images
File Type: jpg dxpwr2-1200.jpg (167.9 KB, 149 views)
File Type: jpg dxpwr3-1200.jpg (415.8 KB, 149 views)
File Type: jpg dxpwr4-1200.jpg (445.5 KB, 147 views)
File Type: jpg dxpwr5-1200.jpg (466.2 KB, 145 views)
File Type: jpg dxpwr6-1200.jpg (453.9 KB, 142 views)
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Old 11th July 2018, 11:08 PM   #48
sq225917 is offline sq225917  United Kingdom
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How much will it be for the dual board plus case dx package?
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Old 14th July 2018, 06:58 PM   #49
oxothuk is offline oxothuk  United Arab Emirates
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Originally Posted by sq225917 View Post
How much will it be for the dual board plus case dx package?
listed for pre-orders
DXPWR
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Last edited by oxothuk; 14th July 2018 at 07:02 PM.
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Old 15th July 2018, 06:52 PM   #50
sq225917 is offline sq225917  United Kingdom
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Send a message via MSN to sq225917 TPS7A4700 Ultralow-noise LDO regulators PCB, 5/3PINs with Enable and Feedback inputs
Looks like my dac trips the current limit, it spikes briefly at 1,200mA for about a second on startup.
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