GFK-0356Q Chapter 4 Power Supplies 4-11
4
Table 4-9. Specifications for IC693PWR328 Power Supply
Nominal Rated Voltage
Input Voltage Range
48 VDC
38 to 56 VDC
Input Power
50 watts maximum at full load
Inrush Current
4A peak, 100 ms maximum
Output Power
5 VDC: 15 watts maximum
24 VDC Relay: 15 watts maximum
24 VDC Isolated: 20 watts maximum
NOTE: 30 watts maximum total (all three outputs)
Output Voltage
5 VDC: 5.0 VDC to 5.2 VDC (5.1 VDC nominal)
24 VDC Relay: 24 to 28 VDC
24 VDC Isolated: 21.5 VDC to 28 VDC
Protective Limits
Overvoltage:
Overcurrent;
5 VDC output: 6.4 to 7 V
5 VDC output: 4 A maximum
Holdup Time:
14 ms minimum
Standards
Refer to data sheet, GFK-0867B, or later version for
product standards, and general specifications.
Calculating Input Power Requirements for IC693PWR328
The following graph is a typical 48 VDC power supply efficiency curve. A basic procedure for
determining efficiency of the 48 VDC power supply follows the figure.
51015 2530
VERAGE
INPUT
POWER
(WATTS)
TOTAL OUTPUT POWER (WATTS)
50
20
10
20
30
40
45W
Figure 4-7. Typical Efficiency Curve for IC693PWR328 Power Supply
Note
Start-up surge at full load is 4 amps for 250 milliseconds (maximum).
To Next Page
Loading...
