LPS170 Series

110-175 Watt AC-DC Power Supplies

LPS170 series AC-DC power supplies are available with a nominal main output of 5 V, 12 V, 15 V or 24 V, adjustable over a wide 2:1 ratio. Auxiliary 12 V and 5 V standby outputs are also provided. Main output remote sense and single-wire current sharing are supported as standard. LPS170 power supplies provide 110 watts of output power with free air convection cooling. which can be boosted to 175 watts with 30 CFM of forced air. All models have an 8.5 x 4.25 x 1.5 inch form factor and are ideal for 1U (1.75-inch) rack installations and other low-profile applications such as telecommunications, networking hubs and routers, test and measurement equipment, single-board computers and gigabit Ethernet devices.

Datasheet Technical Documentation Print This Page
  • Total Max Power:
    175 W
  • Total Max Current:
    22 A
  • Input Voltage:
    85 V to 264 V
  • Output Voltage:
    2.5 V to 54 V
  • Outputs:
  • Size (L x W x H):
    4.250" x 8.500" x 1.500"
  • Warranty:
    2 years
  • Operating Temperature:
    0 to +70°C

Electrical Specifications

  • Input
  • Output
  • Logic Control
  • Inrush current: 38 A max, cold start @ 25°C
  • Frequency: 47 - 63 Hz
  • Efficiency: 75% typical at full load
  • Input range: 85 - 264 VAC, 120 - 300 VDC
  • EMI filter: Meets FCC Class B conducted CISPR 22 Class B
  • Power factor: 0.99 typical
  • Safety ground leakage current: 1.0 mA @ 50/60 Hz, 264 VAC input
  • Hold-up time: 20 ms @175 W load at nominal line
  • Adjustment range: 2:1 wide ratio minimum
  • Maximum power: 110 W convection, 75 W w/cover, 175 W w/ 30 CFM
  • Overvoltage protection: 10% to 40% above nominal output
  • Overload protection: Short circuit protection on all outputs.
  • Standby output: 5 V @ 2 A regulated ± 5%
  • Aux output: 12 V @ 1 A -5 %, +10%
  • Remote sense: Compensates for 0.5 V lead drop min. Will operate
  • DC Ok: TTL logic signal goes high after main output is in
  • Power failure: TTL logic signal goes high 100 - 500 msec after V1
  • Remote inhibit: Requires contact closure to inhibit outputs
  • Built-in EMI filter
  • 5 V standby output
  • DC power good
  • Optional cover (-C suffix)
  • Thermal overload protection
  • Overvoltage protection
  • Low output ripple
  • Active power factor correction
  • IEC EN61000-3-2 compliance
  • Wide Range Adjustable output
  • Remote sense on main output
  • 12 V Aux output
  • Overload protection
  • Power fail and remote inhibit
  • Single wire current sharing

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