RFB300 Datasheet, PDF (2/6 Pages) Artesyn Technologies – DC-DC CONVERTERS 300-350 W Half-Brick

Embedded Power for
Business-Critical Continuity
Specifications
All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
External output capacitance required (See Note 4).
Rev.11.26.07
rfb300/350
2 of 6
ABSOLUTE MAXIMUM RATINGS
Input voltage - peak
(100 ms max.,
1.0 % duty cycle max.)
24 Vin
48 Vin
Input voltage continuous 24 Vin
48 Vin
Adjust pin voltage (with
respect to -sense pin)
-0.5-50 Vdc
-0.5-100 Vdc
-0.5-40 Vdc
-0.5-80 Vdc
-0.5-12 Vdc
OUTPUT SPECIFICATIONS
Voltage adjustability
12 Vout
28 Vout
Min./max. load
12 Vout
28 Vout
Output load capacitance 12 Vout
(See Note 10)
28 Vout
Rise time
(See Note 12)
7.2-13.2 Vdc
16.8-29.4 Vdc
0/25 A, 0/29.2 A
0/11 A, 0/12.5 A
470 μF to 4,700 μF
330 μF to 3,300 μF
5 ms typ.
INPUT SPECIFICATIONS
Input current
(See Note 3)
Input reflected ripple
(See Note 4)
Input capacitance -
Internal filter
Inrush current
24 Vin
48 Vin RFB300
48 Vin RFB350
23.8 A max. @ lo max.
11.2 A max. @ lo max.
13 A max. @ lo max.
24 Vin
48 Vin 12 V model
48 Vin 28 V model
12 mA (pk-pk)
42 mA (pk-pk)
28 mA (pk-pk)
24 Vin
48 Vin
39 μF
13 μF
(See Note 11)
2 A²s
EMC CHARACTERISTICS
Conducted emissions
Radiated emissions
EN55022
EN55022
See Application Note 167
See Application Note 167
GENERAL SPECIFICATIONS
Efficiency
24 Vin 12 V model
86%
24 Vin 28 V model
90%
Vin = Vin (nom),
48 Vin 12 V model
88%
Iout (max.)
48 Vin 28 V model
91%
Approvals and
standards
VDE IEC60950
IECEE CB, UL/cUL60950
Material Flammability
UL94V-0
Weight
MTBF @ 55 °C
Telcordia SR-332 Issue 1
0.5 inch tall version
110 g (3.88 oz.)
12 V model
28 V model
1,900,000 hours min.
2,400,000 hours min.
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating baseplate,
temperature
Non-operating
-40 °C to +100 °C
-40 °C to +100 °C
RC PIN ELECTRICAL INTERFACE
Open collector compatible (See AN 167 for remote ON/OFF)
RC:
ON voltage
Open circuit voltage
(See Note 13)
High level leakage current (See Note 14)
OFF voltage
(See Note 15)
Low level input current (See Note 16)
5 V min.
5 V min, 11 V typ
13 V max.
-25 μA max.
1.2 V max.
-250 μA max.
Ordering Information
OUTPUT
POWER
(MAX.)
300 W
308 W
308 W
350 W
350 W
INPUT
VOLTAGE
18-36 Vdc
18-36 Vdc
36-75 Vdc
36-75 Vdc
36-75 Vdc
OUTPUT
VOLTAGE
7.2-13.2 Vdc
16.8-29.4 Vdc
16.8-29.4 Vdc
7.2-13.2 Vdc
16.8-29.4 Vdc
OUTPUT
CURRENT
(MIN.)
0A
0A
0A
0A
0A
OUTPUT
CURRENT
(MAX.)
25 A
11 A
11 A
29.2 A
12.5 A
EFFICIENCY
(TYP.)
86%
90%
91%
88%
91%
REGULATION
LINE
LOAD
±0.15%
±0.15%
±0.15%
±0.15%
±0.15%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
MODEL
NUMBER (^18,20)
RFB300-24S12Y
RFB300-24S28Y
RFB300-48S28Y
RFB350-48S12Y⁽¹⁷⁾
RFB350-48S28Y