DS450/550DC系列

450–550 Watt Power Supplies (48 V DC Input)

The DS450DC and DS550DC series bulk front end power supplies are the DC-input versions of their DS450 and DS550 AC-input counterparts. Mechanically identical to the AC versions, these products allow system operation from a Telco style 48 Vdc input. Rated at 450 and 550 watts, the DS450/550 power supplies generate a main DC output of 12 Vdc and a 3.3 Vd for powering standby circuitry. Standard features include active current sharing, internal ORing FETs and an EEPROM for storing service data to facilitate efficient field replacement. An I2C communication interface is provided for the FRU EEPROM data.

DS450DC and DS550DC series power supplies are hot pluggable and ideal for fault tolerant and N+1 redundant applications.

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  • 最大总功率:
    550 W
  • 最大总电流:
    45 A
  • 输入电压:
    40 V to 75 V
  • 输出电压:
    12 V 至 12 V
  • 输出路数:
    Single
  • 尺寸(长 x 宽 x 高):
    11.050" x 3.070" x 1.570"
  • Warranty:
    1 year
  • 工作温度:
    +10°C to +45°C

Electrical Specifications

  • Input
  • Output
  • Input Range: 40 - 75 VDC
  • Inrush Current: 21 A Max
  • Hold-up: 1 mSec
  • Effiency: 87% Typical
  • Main DC Output: 12 VDC
  • Turn On Delay: < 3 Seconds
  • Stand by (Aux) Output: 3.3 VDC
  • Protections: OCP/OVP/OTP
  • 1U x 2U 外形尺寸
  • 10.3 W/cu-in
  • 3.3 VDC 待机电压
  • No Minimum Load Required
  • Hot Plug Operation
  • N+1 Redundant
  • Internal Or-ing Diodes
  • Active Current Share
  • I2C Communications Bus
  • Smart Fan Speed Control

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