RFB300-24S28-R5Y Emerson Network Power, RFB300-24S28-R5Y Datasheet - Page 3

• Manufacturer Part Number: RFB300-24S28-R5Y
• Description: CONV DC/DC 24VIN 28VOUT
• Manufacturer: Emerson Network Power
• Series: RFB300r
• Type: Isolated with Remote On/Offr

Specifications of RFB300-24S28-R5Y

• Output: 16.8 ~ 29.4V
• Number Of Outputs: 1
• Power (watts): 300W
• Mounting Type: Through Hole
• Voltage - Input: 18 ~ 36V
• 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 (60.71mm x 57.66mm x 12.7mm)
• Power (watts) - Rated: 308W
• Operating Temperature: -40°C ~ 100°C
• Efficiency: 90%
• Approvals: cUL, EN, IEC, UL, VDE
• 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: 454-1338

Part Number System with Options
Notes
1
2
3
4
5
6
7
8
9
10 Minimum effective ESR is 1 mΩ. Minimum phase margin is 35
11 Measured per ETSI 300 132-2 Section 4.7.2.
12 From 10% to 90% of Vout (nom). Full resistive load. 1 μF ceramic and 330 μF
10 Minimum effective ESR is 1 mΩ. Minimum phase margin is 35
Measurement Bandwidth: 20 MHz; Measured with 1 μF ceramic and a 330 μF
(470 μF for 12 V output model) aluminum or solid tantalum capacitor across
the output terminals.
Di/dt = 1 A/μs; ΔI out = ±25% Iout (max); Vin = Vnom; Iout = Inom. Tested
with a 1 μF ceramic and a 330 μF (470 μF for 12 V output model) aluminum
electrolytic capacitor across the output.
External input fusing required. Use a fast acting fuse: 40 A (24 V model), 15 A
(48 V, 350 W model).
Iout = Iout (max) Measured with the input capacitor, Cbypass = 330 μF, and 6
μH inductor in series with the power source. Frequencies >100 kHz.
Signal line assumed <3 m in length.
This product is only for inclusion by professional installers within other
equipment and must not be operated as a stand-alone product.
Negative remote ON/OFF option also available. Add suffix ‘-R’ to part
number, for example see part numbering system.
With the enable signal asserted, this is the time from when the input current
reaches 10 % of the final steady state value until the output voltage reaches
10 % of the nominal output value. Start-up into resistive load.
With Vin > Vin (min.) applied for a minimum of 1 second, this is the time
from when the primary ON/OFF signal is activated until the output voltage
reaches 10 % of the nominal output voltage.
(470 μF for 12 V model) electrolytic capacitors across the output.
24 = 18 Vdc to 36 Vdc
48 = 36 Vdc to 75 Vdc
Rated Output Current
Number of Outputs
300 = 300/308 W
RFB = Half-Brick
Product Family
Input Voltage
350 = 350 W
S = Single
R F B 3 0 0 - 2 4 S 2 8 - R 5 T Y
°
°
.
.
11 Measured per ETSI 300 132-2 Section 4.7.2.
12 From 10% to 90% of Vout (nom). Full resistive load. 1 μF ceramic and 330 μF
13 Converter guaranteed ON for positive option.
14 Maximum driver leakage to insure converter is ON.
15 Converter guaranteed OFF for positive option.
16 Driver sink current @ Vrc ≤ 1.2 V.
17 0.40 in height option is not available on the 12 V output model.
18 The’Y’ suffix indicates that these parts are TSE ToHS 5/6 (non-Pb-free)
19 New RoHS 6/6 codes coming soon: RFB300-48S28-R5J; RFB350-48S12-R5J.
20 Notice: Some models do not support all options. Please contact your local
PROTECTION
Short-circuit
(Brickwall current
limiting)
Overvoltage protection
(Output shutdown)
Overtemperature
shutdown
(470 μF for 12 V model) electrolytic capacitors across the output.
compliant
sales representative.
RoHS Compliance
Y = Non Pb-free (RoHS 5/6 compliant)
J = PB-free (RoHS 6/6 compliant)
Threaded Inserts
T = Threaded Inserts
Blank = Clearance Inserts
Height Option
5 = 0.50 in (12.70 mm)
4 = 0.40 in (10.16 mm)
Remote ON/OFF Polarity
R = Negative Logic Option
Blank = Positive Logic Option
Output Voltage
12 = 7.2 Vdc to 13.2 Vdc
28 = 16.8 Vdc to 29.4 Vdc
12 V model RFB300
12 V model RFB350
28 V model RFB300
28 V model RFB350
(midpoint of baseplate)
12 V model
28 V model
(17)
(18)
Embedded Power for
Business-Critical Continuity
19
29.4 A
34.4 A
12.9 A
14.7 A
33.2 V
110 °C
15 V
Rev.11.26.07
rfb300/350
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