Dual Linear Power Supply Module LT3045 LT3094 +/-15V

Dual Linear Power Supply Module LT3045 LT3094 +/-15V
This dual regulated linear power supply module provides a clean and stable DC electrical signal with a noise level close to 0 by using a positive LT3045 Ultrahigh PSRR linear low-noise regulator and its negative equivalent, the LT3094.

Average votes for this product
3.5 / 5

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Shipping date: 21-01-2021.

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Dual Linear Power Supply Module

LT3045 LT3094 +/-15VDC

Module d'alimentation linéaire double LT3045 LT3094 +/-15VDC

This dual regulated linear power supply module provides a clean and stable DC electrical signal with a noise level close to 0 by using a positive LT3045 Ultrahigh PSRR linear low-noise regulator and its negative equivalent, the LT3094. The module allows a choice of AC or DC input over a wide voltage range. The output, from +/-2.5VDc to +/-15VDC, is either on a 2.54mm XH connector or on a screw terminal block.

Module d'alimentation linéaire double LT3045 LT3094 +/-15VDC

The output voltage is variable. The basic setting is +/-15VDC. To adjust the output voltage, it is necessary to unsolder two resistors to weld two others of different values:

  • 15V = 150K
  • 12V = 121K
  • 5V = 49.9K
  • 3.3V = 33.2K
  • 2.5V = 24.9K

Technical characteristics

Specifications
Product typeLinear power supply module
InputsAC on screw terminal
DC on XH 2.54mm connector
OutputsDC on XH 2.54mm connector
DC on screw terminal
AC input voltage2x5VAC to 2x20VAC (AC-0-AC)
DC input voltage+/-5VDC to +/-28VDC
Output voltage+/-2.5VDC to +/-15VDC
RMS Noise0.8uVrms (10Hz to 100kHz)
PSRR76dB @ 1MHz
Output current500mA
General
Dimensions88 x 46mm
Fixation holes spacing80 x 39mm
 
Data sheet
Output voltage (V)+/-15
Output current (A)0.5
 
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Average votes
3.5 / 5
2 reviews
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Note :
 5/5
Date :
Caution defective goods
I have to agree with the previous review. The board does not work properly and I do not see any way to find or fix the error.
At idle with no load connected, there is +/- 15 V at the terminals as specified. If I then connect a load that draws a current of 66 mA, the voltage at the positive terminal drops to 0. On the other hand, I can measure -15 V between ground and negative terminal.
Since I assumed that this was due to an overload, I ordered a second board half a year later, so that each channel has its own power supply, which then only has to supply 33mA.

To my surprise, the new board showed exactly the same characteristics. So both are not usable and in no way meet the stated specifications to supply 500mA at +/- 15V.
I must note that the Phonopre works fine with another dual psu. So the error has not its cause there.
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This review has been posted for Dual Linear Power Supply Module LT3045 LT3094 +/-15V
Note :
 2/5
Date :
Production quality and quality control not the best - loads of flux on the board, and solder short-cutting 3 pins of the LT3045. So check your board carefully before bringing it into operation.
After cleaning and solving issues, the module worked well.
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This review has been posted for Dual Linear Power Supply Module LT3045 LT3094 +/-15V
 
Dual Linear Power Supply Module LT3045 LT3094 +/-15V
This dual regulated linear power supply module provides a clean and stable DC electrical signal with a noise level close to 0 by using a positive...

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