Quarter-Brick Series
2nd Generation IBC
DC-DC CONVERTERS
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336-450 W Intermediate Bus Converters
NEW Product
1
48V input with isolated 12 V output
Ultra-high efficiency, 95.5% 12 V @ 37.5 A
Unprecedented useable output power levels
High power density (337 W/in
3
) open-frame technology
Wide operating ambient temperature range
Industry standard quarter-brick footprint and pinout
Low profile, 0.40 ” (10.2 mm)
Meets basic insulation requirements of EN60950-1
Remote ON/OFF and overtemperature protection
Available RoHS compliant
This is a new series of high power density low profile quarter-brick converters targeted
specifically at the computer, industrial electronics and telecommunications distributed
power markets. By virtue of the elevated conversion efficiency, open-frame
construction and superior thermal performance, the series produces rated output
currents up to 37.5 A and power densities as high as 337 W/in
3
. Given these
dominating performance levels, this quarter-brick implementation is a viable option for
replacing half-brick converters in applications where footprint, profile, and cost are
critical. The IBC38A fixed ratio model produces an unregulated 12 V output while the
narrow and wide input IBC30A and IBC28A models produce a 12 V output semi-
regulated with line and load variations. All models are fully non-latch protected against
overcurrent, undervoltage, overvoltage, and overtemperature. A positive logic primary
referenced remote ON/OFF input is included as standard, with negative logic available
as an option.
All specifications are typical at nominal input, full load at 25 °C ambient unless otherwise stated
Patent No. 6,765,810
Other Patents Pending
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS
Output setpoint accuracy
Line regulation
Load regulation
Total error band
(Includes set point, line,
load, and temperature
to end of life)
Minimum load
Overshoot
Undershoot
Ripple and noise
5-20 MHz
INPUT SPECIFICATIONS
Input voltage range
Input current
Input current (max.)
Input reflected ripple
Remote ON/OFF
Logic compatibility
ON
OFF
Remote OFF
(See Note 1)
(See Note 4)
(See Note 6)
Open collector ref. to -input
>2.4 Vdc
<0.4 Vdc
40
38
35.2
34.0
V
V
V
V
See table
6 mA typ.
12 A max. @ Io max.
and Vin = min. rated
1000-1560 mA (pk-pk)
(See Note 2)
At turn-on and turn-off
Low line to high line
Full load to min. load
IBC38AQT4812J
IBC30AQS4812J
IBC28AQW4812J
See table
See table
See table
9.70-13.40 Vdc
11.52-12.48 Vdc
11.40-12.60 Vdc
0A
None
None
100 mV pk-pk max.
40 mV rms max.
EMC CHARACTERISTICS
Immunity:
ESD air enclosure
Radiated field enclosure
Conducted (DC power)
Input transients
EN61000-4-2 8 kV, 6 kV(O/P within spec.)
EN61000-4-3 10 V/m (O/P within spec.)
EN61000-4-6 10 V
(O/P within spec.)
60 V to 100 V, 100 ms
GENERAL SPECIFICATIONS
Efficiency
Basic insulation
Switching frequency
Approvals and
standards (See Note 5)
Material flammability
Weight
MTBF
Representative model:
Input/output
Fixed
See table
2250 Vdc
400 kHz typ.
EN60950-1 VDE
UL/cUL60950-1
UL94V-0
49 g (1.73 oz)
Telcordia Tech SR-332 5,500,000 hours
48 Vin, 40 °C, 100% load
ground benign
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient
temperature
Non-operating
-40 °C to +85 °C
-55 °C to +125 °C
PROTECTION
Short-circuit
Overvoltage
Thermal shutdown
Hiccup
Non-latching
125 °C hot spot, non-latching
Undervoltage lockout (non-latching):
IBC38AQT4812J and
Power up
IBC30AQS4812J
Power down
IBC28AQW4812 J
Power up
Power down
Start-up time
(See Note 3)
Power up
Remote ON/OFF
15 ms
5 ms
File Name: quarter_brick_2ndgen_ibc.pdf Rev: 13 Jan 2006
Quarter-Brick Series
2nd Generation IBC
DC-DC CONVERTERS
336-450 W Intermediate Bus Converters
NEW Product
2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT
POWER
(MAX.)
450 W
360 W
336 W
INPUT
VOLTAGE
42-53 Vdc
42-53 Vdc
36-75 Vdc
OUTPUT
VOLTAGE
12 V
12 V
12 V
OUTPUT
CURRENT
(MIN.)
0A
0A
0A
OUTPUT
CURRENT
(MAX.)
37.5 A
30 A
28 A
(7)
REGULATION
EFFICIENCY
(TYP.)
95.5%
94.5%
94.5%
±0.25%
±0.25%
SET POINT
ACCURACY
LINE
LOAD
MODEL
NUMBER
(6,9,10)
+10,-12.5% ±1.5% IBC38AQT4812J
±0.3%
±1.0%
±1.5% IBC30AQS4812J
±2.0% IBC28AQW4812J
Part Number System with Options
IBC 30A Q S4812-RANJ
RoHS Compliance
(9)
J = Pb-free (RoHS 6/6 compliant)
Pin Length Options
Blank = 0.188 in (4.78 mm)
N = 0.145 in (3.68 mm)
K = 0.110 in (2.79 mm)
Package, Body Height
(8)
A = Open-Frame, 0.40 in (10.2 mm)
E = Open-Frame, 0.45 in (11.4 mm)
Remote ON/OFF Logic
No Suffix = Positive
Suffix ‘-R’ = Negative
(6)
Output Voltage
12 V
Input Voltage
48 = 48 V
Product Family
IBC = 2nd Generation IBC
Rated Output Current
30A = 30 Amps
Form Factor
Q = Quarter-Brick
Input Voltage Type
T = Narrow Input Fixed Ratio
S = Narrow Input Semi-regulated
W = Wide Telecom Semi-regulated
Notes
1
2
Recommended input fusing is a 20 A HRC 200 V rated fuse.
Maximum is model dependent, Measured with external filter. See
Application Note 190 for details.
3
Start-up into resistive load.
4
Maximum is model dependent, measured without external Pi filter.
Significant reduction is possible with external filter. See Application Note
190 for details.
5
This product is only for inclusion by professional installers within other
equipment and must not be operated as a stand alone product.
6
Negative remote ON/OFF option is available. Please add the suffix ‘-R’ to
the part number, e.g. IBC30AQS4812-RAJ.
7
Output is rated at 450W constant power.
V
in
= 42 V: I
max
= 42.9 A
V
in
= 48 V: I
max
= 37.5 A
V
in
= 53 V: I
max
= 34.0 A
8
‘E’ option clearance is required to maintain ‘Basic’ creepage and
clearance requirements when minimally insulated conductor paths are
placed directly underneath the converter.
9
TSE RoHS 5/6 (non Pb-free) compliant versions may be available on
special request, please contact your local sales representative for details.
10
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.
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is not user accessible.
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. 60950-1 : UL60950-1
File No. E135734
VDE File No. 10401-3336-0206. Licence No. 40012752
File Name: quarter_brick_2ndgen_ibc.pdf Rev: 13 Jan 2006
Quarter-Brick Series
2nd Generation IBC
DC-DC CONVERTERS
336-450 W Intermediate Bus Converters
NEW Product
3
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
2.30
(58.4)
2.000
(50.80)
0.145±0.020
(3.68±0.51)
0.40(10.2)
0.300
(7.62)
0.300
(7.62)
1
2
3
4
5
0.188(4.78)
ø0.040±0.002
(1.02±0.05)
(3 pls)
0.017±0.015
(0.43±0.38)
ø0.062±0.002
(1.57±0.05)
(2 pls)
1.45
(36.8)
'A' Option
0.725
(18.4)
2.30
(58.4)
2.000
(50.80)
0.145±0.020
(3.68±0.51)
1.45
(36.8)
0.300
(7.62)
0.300
(7.62)
1
2
3
5
0.188(4.78)
ø0.040±0.002
(1.02±0.05)
(3 pls)
0.070±0.015
(1.78±0.38)
0.45(11.4)
4
ø0.062±0.002
(1.57±0.05)
(2 pls)
0.725
(18.4)
ø0.058±0.008
(ø1.47±0.20)
(3 PLS)
REF IPC-2222
Level B
ø0.080±0.008
(ø2.03±0.20)
(2 pls)
REF IPC-2222
Level B
'E' Option
(See Note 8)
RECOMMENDED HOLE PATTERN
Dimensions in Inches (mm)
Tolerances (unless otherwise specified)
x.xx
±0.02
(x.x
±0.5)
x.xxx
±0.010
(x.xx
±0.25)
PIN CONNECTIONS
PIN NUMBER
1
2
3
4
5
FUNCTION
+Vin
Remote ON/OFF
-Vin
-Vout
+Vout
Figure 1 - Mechanical Drawing and Pinout Table
Datasheet © Artesyn Technologies® 2006
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
Longform Datasheet
www.artesyn.com
File Name: quarter_brick_2ndgen_ibc.pdf Rev: 13 Jan 2006
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