ZEROZONE 100VA 12V Ultra Low Noise LPS HI-END Linear Power Supply for Audio

$151.8 Buy It Now or Best Offer
free,30-Day Returns

Seller Store lc20110801
(3432) 98.1%,

Location: Guangzhou
Ships to: US,
Item: 122554983852

Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Return policy details:
Non-Domestic Product:No
Compatible Brand:Universal
zerozone:zerozone
Type:Circuit board
Custom Bundle:No
Universal:Universal
MPN:Does Not Apply
Modified Item:No

Input voltage: AC 115V or 230V (for choose) Output voltage: DC12V @6A Front panel: Black or Silver （ Please tell us what the front color is you need!!) Dimensions: 210mm Width X 70mm high X 257mm deep Transformer Power : 100VA Weight: about 4.5kg Power Polarity: inner”+” external”-” DC Head Size: Outer diameter 5.5mm, internal diameter 2.1mm ( if you need other Size DC head, Please contact us) The main purpose: Upgrade XMOS CM6631 TE8802L etc. USB interface DC power supply Various DC5V power supply set-top boxes, routers and other digital devices A variety of USB-powered digital equipment, charging your mobile phone A variety of digital devices such as amp/ DAC/HIFI audio player Package include: Finished linear Power supply X 1 1.2M output DC cable X 1 (5.5*2.1mm) Default is not include the AC input cable. ————————————————————————————————————————————————————————— we have following several kinds voltage for choose. Output voltage / current 1、5V@6A 2、9V@6A 3、12V@6A 4、15V@5.3A 5、18V@4.4A 6、19V@4.2A 7、24V@3.3A if you need other voltage, we can accept custom-make. ———————————————————————————————————————————— Technical highlights All-discrete topology. Single-pass, series regulator design. No IC (integrated circuits) are used. This allows complete design control over all operating points and parameters for superior performance. Low noise, high PSRR A constant-current source feeds a zener diode as a stable voltage reference. A low-pass filter (with a corner frequency of 1.6Hz) prevents zener noise from being introduced into the error amplifier. This is an effective yet lower-cost alternative to expensive voltage reference ICs. The low-pass filter also provides a soft-start characteristic. The output noise (unloaded) is less than 13µV at 24VDC output (measured using a Tangent LNMP (low-noise measurement preamplifier) and a Fluke 187 50000-count DMM in ACmV mode). The output noise is even less when the output voltage is lower. This is much better than the noise of an IC regulator based PSU tested under identical conditions. The error amplifier is a discrete implementation of an opamp with a high open-loop gain of 102.5dB. The voltage supply to the error amplifier is isolated with capacitance multipliers to boost its PSRR (power supply rejection ratio). This greatly improves the line regulation performance of the PSU. A long-tailed pair differential amplifier with current mirror and constant current source forms the first stage of the error amplifier. The second stage is the voltage amplification stage (VAS), also with constant current source load. The 3rd stage is comprised of the power MOSFET output devices configured as a source follower. High-current MOSFET pass transistors Two paralleled high-current, highly reliable MOSFETs (rated at 18A each) serve as the ”pass” transistor. The high current rating provides a very high safety headroom against overcurrent damage. The use of paralleled MOSFETs divides the heat dissipation, simplifying thermal management. Onboard heatsinks can be used which would allow the this PSU to supply up to 1A continuous (with much higher peak currents). More sustained currents are possible by using larger, offboard heatsinks. The negative temperature coefficient of MOSFETs prevents damaging thermal-runaway conditions that may plague conventional BJT devices. No current-limiting. Shipping time: Default send by airmail,about 8-14 business days can arrive most of europe countries, Russia, Brazil,Africa.Ukraine and some other remote countries will need some more days. Payment: We ONLY accept PayPal. Payment must be made within 3 days of the auction end time. Non-Paying bidders will be reported. All items will be shipped within 1-3 business days (from china)upon receipt of payment. We ONLY send item to buyer’s registered Paypal address,Buyer must be responsible for their postal address Customs & duties:For cross-border transactions,.we are not responsible for tariffs and duties. However, buyers may be responsible for actual, applicable tariffs, and duties as requested by respective country laws Return & Exchange: >> Some items return is accepted within 7 days after the buyer’s receiving the item.(please see the detail describe)[In case of DOA (Dead on Arrival), please report within 3 days] >> Returned item has to be new, unworn and in its original condition. >> After getting the returned item, we will refund the customer at the item’s price ( excluding the shipping costs to and from )

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