RFB300-48S28-R5J Emerson Network Power, RFB300-48S28-R5J Datasheet - Page 4

• 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.
100
80
60
40
20
0
91
89
87
85
83
-40
Figure 1 - Standard Application - 28 V Models
330 μF
0
Figure 3 - Derating Curve - All Models
-20
Output Current – RFB300-24S28Y
Figure 5 - Typical Efficiency vs.
TEMPERATURE (ºC) BASEPLATE
OUTPUT CURRENT (A)
3
-IN
Case
+IN
RC
0
20
6
+Sen
+Out
-Out
-Sen
Vadj
40
9
60
12
1 μF
50 V
80
100
Vin = 24 V
330 μF
Channel 1: Output Voltage, Channel 2: Input Voltage
92
90
88
86
84
Figure 2 - Standard Application - 12 V Models
330 μF
0
Figure 4 - Typical Turn-on Delay and
Output Current – RFB300-48S28Y
Figure 6 - Typical Efficiency vs.
Risetime RFB350-48S28Y
OUTPUT CURRENT (A)
3
-IN
Case
+IN
RC
6
Embedded Power for
Business-Critical Continuity
+Sen
+Out
-Out
-Sen
Vadj
9
1 μF
50 V
12
Vin = 48 V
470 μF
Rev.11.26.07
rfb300/350
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