RFB300-48S28-R5J Emerson Network Power, RFB300-48S28-R5J Datasheet - Page 5

• Manufacturer Part Number: RFB300-48S28-R5J
• Description: CONV DC/DC 300W 48VIN 28VOUT
• Manufacturer: Emerson Network Power
• Series: RFB300r
• Type: Isolated with Remote On/Offr

Specifications of RFB300-48S28-R5J

• Operating Temperature: -40°C ~ 100°C
• Power (watts) - Rated: 308W
• Efficiency: 91%
• Approvals: CSA, CUL, UL, VDE
• Output: 16.8 ~ 29.4V
• Number Of Outputs: 1
• Power (watts): 300W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 9-DIP Module, 1/2 Brick
• 1st Output: 16.8 ~ 29.4 VDC @ 11A
• Size / Dimension: 2.39" L x 2.27" W x 0.50" H (60.7mm x 57.7mm x 12.7mm)
• Output Power: 323 W
• Input Voltage Range: 36 V to 75 V
• Input Voltage (nominal): 48 V
• Output Voltage (channel 1): 16.8 V to 29.4 V
• Output Current (channel 1): 11 A
• Package / Case Size: Half Brick
• Output Voltage: 16.8 V to 29.4 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 454-1485; RFB300-48S28-R5J

Specifications Contd.
Figure 11 - RFB350-48S12Y Transient Response
92
91
90
89
88
87
86
85
90
88
86
84
82
80
0
0
Output Current – RFB350-48S28Y
Output Current – RFB300-24S12Y
5
2
Figure 7 - Typical Efficiency vs.
Figure 9 - Typical Efficiency vs.
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
10
4
Load 14.5-21.75 A
6
15
8
20
10
25
12
30
14
Vin = 24 V
Vin = 48 V
Figure 10 - RFB350-48S28Y Transient Response
92
90
88
86
84
0
Output Current – RFB350-48S12Y
Figure 8 - Typical Efficiency vs.
6
OUTPUT CURRENT (A)
Load 6.25-9.38 A
12
Embedded Power for
Business-Critical Continuity
18
24
30
Vin = 48 V
Rev.11.26.07
rfb300/350
5 of 6