Custom switched-mode power supply

Model

TP143A 35W

35W HiFi electrostatic headphone tube amplifier power supply

35W power supply for a high-end audio amplifier, with three converters providing output voltages up to +780V.

Compliance
Discuss this design View specifications
Enclosed 35W power supply for a HiFi electrostatic-headphone tube amplifier (high-voltage outputs)

Key properties

At a glance

Nominal output power
35W
Multiple output voltages
+5V, +7V, +12.6V, +15V, -15V, +260V, +780V
Model reference
TPMS-35-7-A
Application
Audio
Input voltage
Universal input range
Construction
Enclosed
Compliance
CE

Datasheet

Technical specifications

Overview 3
  • 35W power supply
  • 3 converters (main, auxiliary, high-voltage)
  • Low standby power
Application 1
  • High end electrostatic headphone tube amplifier
Input 5
Universal input voltage range
90 - 264 Vac
Input power
Pin < 500mW at 5V/25mA
Leakage current
1 mA RMS max
Efficiency
> 78%
Class I
Output 3
Nominal output power
35W
Max. total output power
68W
Multiple output voltages
+5V, +7V, +12.6V, +15V, -15V, +260V, +780V
Protections 6
  • Under / overvoltage protection
  • Overload / short circuit protection
  • Automatic latch-off functionality
  • Automatic fault recovery (hiccup restart)
  • Overtemperature protection
  • Microprocessor controlled protections
Certificates 1
  • CE marked
Safety & EMC 10
  • 2014/35/EUIEC/EN/UL 60065IEC/EN/UL 61558-1
  • IEC/EN/UL 62368-1EN 55014IEC/EN 61000-3-2
  • IEC/EN 61000-3-3IEC/EN 61000-4-2 through 61000-4-11IEC/EN 61000-6-1 through 61000-6-4
  • 2004/108/EC
Cooling 1
  • Limited air convection
Construction 1
Enclosed frame
Nickel plated steel
Connections 2
Input
3 pins mains C14 appliance inlet in accordance with IEC EN60320
Output
4 wire bundles with 2 to 6 pins connectors
Dimensions & weight 2
Dimensions (L x W x H)
226 x 50 x 70 mm9 x 2 x 2.8 inch
Weight
0.85 kg

Total Power Europe · TP143A · totalpower.nl

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