RFB300/350 Series
24 Vin and 48 Vin single output
300-350 W Half-Brick
NEW Product
DC-DC CONVERTERS
•
•
•
•
•
•
•
•
1
High efficiency topology
Wide temperature range, -40 °C to +100 °C @ full power
High power density (160 W/in
3
in 0.4” tall version)
Input voltage range: 18-36 Vdc or 36-75 Vdc
Output voltage range: 7.2-13.2 Vdc or 16.8-29.4 Vdc
Remote ON/OFF
Operational insulation system
Available RoHS compliant
RFB300/350 series is a high efficiency, enclosed, isolated dc-dc converter series in
an industry standard half-brick package that provides up to 350 W of output power.
The series delivers very high usable output power for today’s high performance RF
power amplifier and similar applications. The four models in the series feature an
input voltage range of 18 Vdc to 36 Vdc and 36 Vdc to 75 Vdc and an output
voltage of 12 V and 28 V. The output voltage is adjustable from 7.2 Vdc to 13.2 Vdc
or 16.8 Vdc to 29.4 Vdc (not to exceed 308 W for the RFB300 [300 W for the
RFB300-24S12] and 350 W for the RFB350). The series also has a remote ON/OFF
capability. Overcurrent, overvoltage and overtemperature protection features are
included as standard. Negative logic remote ON/OFF and other options are also
available. Full international safety approval including EN/IEC60950 VDE and
UL/cUL60950 reduces compliance costs and time to market.
All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
External output capacitance required (See Note 4)
ABSOLUTE MAXIMUM RATINGS
Input voltage - peak
(100 ms max.,
1.0 % duty cycle max.)
24 Vin
48 Vin
-0.5-50 Vdc
-0.5-100 Vdc
-0.5-40 Vdc
-0.5-80 Vdc
-0.5-12 Vdc
EMC CHARACTERISTICS
Conducted emissions
Radiated emissions
EN55022
EN55022
2 YEAR WARRANTY
SPECIFICATIONS
See Application Note 167
See Application Note 167
GENERAL SPECIFICATIONS
Efficiency
Vin = Vin (nom),
Iout (max.)
Approvals and
standards
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.
Material Flammability
Weight
MTBF @ 55 ºC
0.5 inch tall version
Telcordia SR-332
Issue 1
24
24
48
48
Vin
Vin
Vin
Vin
12
28
12
28
V
V
V
V
model
model
model
model
86%
90%
88%
91%
Input voltage continuous 24 Vin
48 Vin
Adjust pin voltage (with
respect to -sense pin)
OUTPUT SPECIFICATIONS
Voltage adjustability
Min./max. load
12 Vout
28 Vout
12 Vout
28 Vout
VDE IEC60950
IECEE CB, UL/cUL60950
UL94V-0
110 g (3.88 oz.)
2,400,000 hours min.
Output load capacitance 12 Vout
(See Note 10)
28 Vout
Rise time
(See Note 12)
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating baseplate, -40 ºC to +100 ºC
temperature
Non-operating
-40 ºC to +100 ºC
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.
12 mA (pk-pk)
42 mA (pk-pk)
28 mA (pk-pk)
39 µF
13 µF
2 A
2
s
RC PIN ELECTRICAL INTERFACE
Open collector compatible
RC:
ON voltage
Open circuit voltage
(See AN 167 for remote ON/OFF)
5 V min.
5 V min, 11 V typ
13 V max.
-25 µA max.
1.2 V max.
-250 µA max.
24 Vin
48 Vin 12 V model
48 Vin 28 V model
24 Vin
48 Vin
(See Note 11)
(See Note 13)
High level leakage current (See Note 14)
OFF voltage
(See Note 15)
Low level input current
(See Note 16)
International Safety Standard Approvals
VDE0805/EN60950/IEC950 File No. 10401-3336-0198
Licence No. 40005395
UL/cUL CAN/CSA 22.2 No. 60950
UL 60950 File No. E135734
File Name: rfb300_350.pdf Rev (02): 06 Dec 2005
RFB300/350 Series
24 Vin and 48 Vin single output
300-350 W Half-Brick
NEW Product
DC-DC CONVERTERS
2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
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
±0.15%
±0.15%
±0.15%
±0.15%
±0.15%
LOAD
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
MODEL
NUMBER
(18,19)
RFB300-24S12Y
RFB300-24S28Y
RFB300-48S28Y
RFB350-48S12Y
(17)
RFB350-48S28Y
Part Number System with Options
RFB300-24S28-R5TY
RoHS Compliance
(18)
Y = Non Pb-free (RoHS 5/6 compliant)
Threaded Inserts
T = Threaded Inserts
Blank = Clearance Inserts
Height Option
(17)
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
Product Family
RFB = Half-Brick
Rated Output Current
300 = 300/308 W
350 = 350 W
Input Voltage
24 = 18 Vdc to 36 Vdc
48 = 36 Vdc to 75 Vdc
Number of Outputs
S = Single
Notes
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.
2
Di/dt = 1 A/µs; ∆I
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.
3
External input fusing required. Use a fast acting fuse: 40 A (24 V model),
15 A (48 V, 350 W model).
4
Iout = Iout (max) Measured with the input capacitor, Cbypass = 330 µF,
and 6 µH inductor in series with the power source. Frequencies
>100 kHz.
5
Signal line assumed <3 m in length.
6
This product is only for inclusion by professional installers within other
equipment and must not be operated as a stand-alone product.
7
Negative remote ON/OFF option also available. Add suffix ‘-R’ to part
number, for example see part numbering system.
8
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.
9
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.
10
Minimum effective ESR is 1 mΩ. Minimum phase margin is 35º.
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 (470 µF for 12 V model) electrolytic capacitors across the output.
1
Notes Contd.
10
Minimum effective ESR is 1 mΩ. Minimum phase margin is 35º.
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 (470 µF for 12 V model) electrolytic capacitors across the output.
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)
compliant
19
NOTICE: Some models do not support all options. Please contact your
local Artesyn representative or use the on-line model number search tool
at http://www.artesyn.com/powergroup/products.htm to find a suitable
alternative
PROTECTION
Short-circuit
(Brickwall current
limiting)
Overvoltage protection
(Output shutdown)
Overtemperature
shutdown
12
12
28
28
V
V
V
V
model
model
model
model
RFB300
RFB350
RFB300
RFB350
29.4
34.4
12.9
14.7
A
A
A
A
12 V model
28 V model
(midpoint of baseplate)
15 V
33.2 V
110 ºC
File Name: rfb300_350.pdf Rev (02): 06 Dec 2005
RFB300/350 Series
24Vin and 48Vin single output
300-350 W Half-Brick
NEW Product
DC-DC CONVERTERS
3
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
-IN
Case
330
µF
RC
+IN
-Out
-Sen
Vadj
+Sen
+Out
-IN
Case
1
µF
50 V
330
µF
RC
+IN
-Out
-Sen
Vadj
+Sen
+Out
330
µF
1
µF
50 V
470
µF
Figure 1 - Standard Application - 28 V Models
Figure 2 - Standard Application - 12 V Models
OUTPUT CURRENT MAX. (%)
100
80
60
40
20
0
-40
-20
0
20
40
60
80
100
TEMPERATURE (ºC) BASEPLATE
Figure 3 - Derating Curve - All Models
Figure 4 - Typical Turn-on Delay and Risetime RFB350-48S28Y
Channel 1: Output Voltage, Channel 2: Input Voltage
91
EFFICIENCY (%)
89
87
85
83
0
3
6
9
12
Vin = 24 V
92
EFFICIENCY (%)
90
88
86
84
0
3
6
9
12
Vin = 48 V
OUTPUT CURRENT (A)
Figure 5 - Typical Efficiency vs. Output Current – RFB300-24S28Y
OUTPUT CURRENT (A)
Figure 6 - Typical Efficiency vs. Output Current – RFB300-48S28Y
File Name: rfb300_350.pdf Rev (02): 06 Dec 2005
RFB300/350 Series
24Vin and 48Vin single output
300-350 W Half-Brick
NEW Product
DC-DC CONVERTERS
4
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
92
EFFICIENCY (%)
EFFICIENCY (%)
91
90
89
88
87
86
85
0
2
4
6
8
10
12
14
Vin = 48 V
92
90
88
86
84
0
6
12
18
24
30
Vin = 48 V
OUTPUT CURRENT (A)
Figure 7 - Typical Efficiency vs. Output Current – RFB350-48S28Y
OUTPUT CURRENT (A)
Figure 8 - Typical Efficiency vs. Output Current – RFB350-48S12Y
PERCENT EFFICIENCY (%)
90
88
86
Vin = 24 V
84
82
80
0
5
10
15
20
25
30
OUTPUT CURRENT (A)
Figure 9 - Typical Efficiency vs. Output Current – RFB300-24S12Y
Figure 10 - RFB350-48S28Y Transient Response
Load 6.25-9.38 A
Figure 11 - RFB350-48S12Y Transient Response
Load 14.5-21.75 A
File Name: rfb300_350.pdf Rev (02): 06 Dec 2005
RFB300/350 Series
24Vin and 48Vin single output
300-350 W Half-Brick
NEW Product
DC-DC CONVERTERS
5
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
4 x Thru Hole Insert 0.128 (3.25) Clearance
(M3 x 0.5 Threaded Inserts are Available)
7x ø0.040 (1.02)
2x ø0.081 (2.06)
2.000 (50.80)
-Vin
1.700 (43.18)
-Vout
Case
1.300 (33.02)
1.000 (25.40)
-Sen
Vadj
+Sen
2.39
±0.02
(60.71
±0.51)
Case Footprint
RC
0.700 (17.78)
+Vin
0.300 (7.62)
+Vout
0 (0.00)
1.900 (48.26)
0
0.23
±0.02
(5.84
±0.51)
Height
(See Dimension Option Table Below)
0.00 (0.00)
2.27
±0.02
(57.66
±0.51)
Case Footprint
PIN CONNECTIONS
PIN NUMBER
-Vin
DIMENSION OPTIONS
OPTION
5
4
HEIGHT
0.50 ±0.02 (12.70 ±0.51)
0.40 ±0.02 (10.16 ±0.51)
Case
RC
+Vin
+Vout
+Sen
Vadj
-Sen
-Vout
ON/OFF Control Terminal
Positive Input Terminal
Positive Output Terminal
Positive Remote Sense
Output Adjustment Trim Pin
Negative Remote Sense
Negative Output Terminal
FUNCTION
Negative Input Terminal
Figure 12 - Mechanical Drawing, Dimension Options and Pin-Out Table
Datasheet © Artesyn Technologies® 2005
The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising
from printing errors or inaccuracies. The information and specifications contained or described herein are subject to change in any manner at any time without notice. No rights under any patent
accompany the sale of any such product(s) or information contained herein.
Please consult our website for the following items:
Application Note
www.artesyn.com
File Name: rfb300_350.pdf Rev (02): 06 Dec 2005
