Embedded Power for
Business-Critical Continuity
IBC
Eighth-Brick Series
2nd Generation IBC
Rev.11.25.08_136
Eighth-Brick IBC Series
1 of 3
Total Power:
200 - 300W
Input Voltage:
36 - 75Vdc
Electrical Specifications
Output
Special Features
• 48 V input with isolated 12 V
output
• Ultra-high efficiency, 95.5%
12 V @ 25 A
• Unprecedented usable
output power levels
• High power density
(362 W/in
3
) open-frame
technology
• Wide operating ambient
temperature range
• Industry standard eighth-
brick footprint and pinout
• Low profile, 0.40” (10.2 mm)
• Meets basic insulation
requirements of EN60950-1
• Remote ON/OFF and over-
temperature protection
• Available RoHS compliant
• 2 year warranty
Output setpoint accuracy:
Line regulation:
Load regulation:
Total error band
(including setpoint, line,
load and temperature):
Minimum load:
Overshoot:
Undershoot:
Ripple and noise:
5 - 20 MHz
Low line to high line
Full load to min. load
IBC25AET4812
IBC20AES4812
IBC17AEW4812
At turn on and turn-off
(See note 2)
See table
See table
See table
9.70 - 13.40 Vdc
11.52 - 12.48 Vdc
11.40 - 12.60 Vdc
0 A
None
None
60 mV pk-pk typ.
20 mV rms typ.
Input
Input voltage range:
Input current:
Input current (max.):
Input reflected ripple:
(See note 4)
Remote ON/Off:
Logic compatiblity:
On
OFF
Undervoltage lockout:
IBC25AET4812:
IBC20AES4812:
IBC17AEW4812:
Startup time
(see note 3):
Remote OFF
(See note 1)
IBC25AET4812
IBC20AES4812
IBC17AEW4812
Power-up
Power-down
Power up
Power down
Power-up
Remote ON/OFF
See table
6 mA typ.
6.9 A max. @ lo max.
and Vin = min. rated
550 mA (pk-pk)
230 mA (pk-pk)
230 mA (pk-pk)
(see note 6)
Open collector ref. to- input
>2.4 Vdc
<0.4 Vdc
40 V
38 V
35.2 V
34 V
15 ms
5 ms
Safety
• UL/cUL 60950-1, 1st Edition
• EN 60950-1 VDE
Embedded Power for
Business-Critical Continuity
EMC Charateristics
Immunity:
ESD air enclosure:
Input transients:
EN61000-4-2 8 kV, 6 kV (Air contact)
IBC25AET4812 60 V. 100 ms
IBC20AES4812 60 V. 100 ms
IBC17AEW4812 100 V. 100 ms
Rev.11.25.08_136
Eighth-Brick IBC Series
2 of 3
Environmental Specifications
Thermal
Operating ambient temperature
-40 °C to +85 °C
performance: Non-operating -55 °C to +125 °C
Protection
Short-circuit:
Overvoltage:
Thermal:
(See note 9)
Hiccup
Non-latching
125 °C hot spot
General Specifications
Efficiency:
Basic insulation:
Switching frequency:
Approvals and
standards (see note 5):
Material flammability:
Weight:
MTBF
Representative model:
See table
Input/output 2250 Vdc
Fixed 600 kHz typ.
EN60950-1 VDE
UL/cUL60950-1
UL94V-0
33 g (1.16 oz)
Telcordia Tech SR-332 5,500,000 hours
48 Vin, 40 °C, 50% load
ground benign
All specifications are typical at nominal input, full load at 25° C unless otherwise stated.
Ordering Information
Output
Power
(Max.)
Input
Voltage
Output
Voltage
Output
Current
(Min.)
Output Current
(Max.)
Efficiency
(Typ.)
Regulation
2
(typical)
Set Point
Accuracy %
Line %
Load %
Model Number
300 W
240 W
200 W
42 - 53 Vdc
42 - 53 Vdc
36 - 75 Vdc
12 V
12 V
12 V
0 A
0 A
0 A
25 A
20 A
17 A
95.5%
94.5%
94.0%
---
±0.25%
±0.25%
+10, -12.5%
±0.3%
±1.0%
±1.5%
-2/-1.5%
-3/+2%
IBC25AET4812J
IBC20AES4812J
IBC17AEW4812J
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is not user accessible.
Part Number System with Options
Product Family
Rated Output
Current
Form Factor
Input Voltage Type
Input
Voltage
Output
Voltage
Remote ON/
OFF Logic
Module Height
Pin Length
Options
RoHS Compliance
(7, 8)
IBC
IBC Intermediate
Bus Converter
2nd Generation
17A
17 A =
17 Amps etc.
E
E = Eighth-
Brick
Q = Quarter-
brick
S = Sixteenth-
brick
W
T = Narrow Input
Fixed Ratio
S = Narrow Input
Semi-reguated
N = Narrow Telecom
Fixed Ratio
W = Wide Telecom
Semi-reguated
48
48 = 48 V
12
12 = 12 V
-
R
Blank =
Positive
R = Negative
(See Note 6)
A
A = Open-frame
0.40 in (10.2
mm)
E = Open-rame,
0.45 in (11.4
mm)
N
Blank = 0.188 ”
(4.78 mm)
N = 0.145 ”
(3.68 mm)
K = 0.110 ”
(2.79 mm)
J
J = Pb-free
(RoHS 6/6
compliant)
Y = RoHS 5/6
compliant
Notes
Recommended input fusing is a 20 A HRC 250 V rated fuse.
Measured with external filter. See Application Note 182 for details.
Start-up into resistive load.
Peak to peak measured without external Pi filter. Significant reduction
possible with external filter. See Application Note 182 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.
1
2
3
4
6
Active-low remote ON/OFF option is also available. Please add the suffix ‘-R’
to the part number, e.g. IBC17AEW4812-RAJ.
7
TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special
request, please contact your local sales representative for details.
8
NOTICE: Some models do not support all options. Please contact your local
Sales representative or use the on-line model number search tool at http://
www.powerconversion.com to find a suitable alternative.
Embedded Power for
Business-Critical Continuity
Mechanical Drawing
2.30
[58.4]
2.000
[50.80]
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Rev.11.25.08_136
Eighth-Brick IBC Series
3 of 3
0.1450.020
[3.680.51]
1
0.300
[7.62]
2
3
Europe (UK)
5
0.90
[22.9]
0.300
[7.62]
4
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
0.45
[11.4]
Refer to Part
Numbering Options
Table for Module Height
0.04 [1.0]
MIN
0.060 [1.52]
0.040 [1.02]
Asia (HK)
Refer to Part
Numbering Options
Table for Pin Length
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
For global contact, visit:
ø0.093
[2.36]
ø0.062
[1.57]
www.powerconversion.com
techsupport.embeddedpower
@emerson.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Solder venting
feature
ø0.092 [2.34]
ø0.122
[3.10]
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
Function
Emerson Network Power.
The global leader in enabling
business-critical continuity.
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©2008 Emerson Electric Co.
1
2
3
4
5
+Vin
Remote ON/OFF
-Vin
-Vout
+Vout
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