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Embedded Power for
Business-Critical Continuity
Quarter-Brick
Series
Fixed Ratio 2nd
Generation IBC
Total Power: 600W
Input Voltage: 38 - 55VDC
Rev. 03.31.09_162
Quarter-Brick Fixed IBC60
 of 4
Special Features
• 48 V input with isolated 9.6 V
output
• Ultra-high efficiency, 97%
• Unprecedented usable output
power levels
• High power density open-frame
technology
• Wide operating ambient
temperature range
• DOSA quarter-brick high
current footprint and pinout
• Low profile, 0.48” (12.2 mm)
• Meets basic insulation
requirements of EN60950-1
• Remote ON/OFF and
overtemperature protection
• RoHS compliant
• 2 Year Warranty
Safety
• UL/cUL : CAN/CSA 22.2
No. 60950-1 : UL60950-1
File No. E135734
• VDE File No. 10401-3336-0206
Licence No. 40012752
Electrical Specifications
Input
Input voltage ra­nge:
Input current:
Input current (max.):
Input reflected ripple:
Remote ON/OFF
Logic compatibility
ON
OFF:
Undervoltage lockout:
Start-up time:
(See Note 3)
Remote OFF
(See Note 1)
(See Note 4)
Power up
Power down
Power up
Remote ON/OFF
38-55 Vdc
6.5 mA typ.
13 A max. @ lo max.
and Vin = min. rated
1200 mA (pk-pk)
35 mA rms
(See Note 6)
Open collector ref. to -Input
> 2.4 Vdc
< 0.4 Vdc
34.5 V
33 V
11rms
2 rms
Output
Line regulation:
Load regulation:
Low line to high line
Full load to min. load
See table
See Table
Total error band:
Vin = 38 V to 55 V
(including setpoint, line, load and temperature)
Minimum load:
Overshoot:
At turn-on and turn-off
7.0 - 11.0 Vdc
0A
None
Undershoot:
None
Ripple and Noise:
5-20 MHz
(See Note 2)
100 mV pk-pk typ.
20 mV rms typ.
All specifications are typical at nominal input, full load at 25 °C ambient unless otherwise stated

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Embedded Power for
Business-Critical Continuity
Electrical Specifications Continued
EMC Characteristics
Immunity:
ESD air enclosure:
Input transients:
General Specifications
Efficiency:
Basic insulation:
Switching frequency:
Approvals and (Pending) standards:
Material flammability:
Weight:
MTBF representative model:
Protection:
Short-circuit
Overvoltage:
Thermal
EN61000-4-2 8 kV, 6 kV
Input voltage
> 59 V
> 60 V
> 62 V
Input/output
Fixed
(See Note 5)
Telcordia Tech SR-332
48 Vin, 40 ˚C, 50% load
ground benign
(See Note 9)
Air, contact
Duration before shutdown
2 Seconds
1 Second
0 Seconds
97%
2250 Vdc
340 kHz typ.
EN60950-1 VDE
UL/cUL60950-1
UL94V-0
59 g (2.08 oz)
TBD hours
Hiccup
Non-latching
140 ˚C hot spot
Environmental Specifications
Thermal Performance:
Operating ambient temperature -40 ˚C - +85 ˚C
Non-operating
-55 ˚C to +125 ˚C
Rev. 03.31.09_162
Quarter-Brick Fixed IBC60
 of 4

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Embedded Power for
Business-Critical Continuity
Ordering Information
Ordering Information
Output
Power
(Max.)
642 W
Input Output
Voltage Voltage
38-55 Vdc 9.6 V
Output
Current
(min.)
0A
Output
Current
max.)
60 A
Efficiency
(typ)
97%
Set Point
Accuracy
--
Regulation
Line %
32.5%
Load %
2.5%
Rev. 03.31.09_162
Quarter-Brick Fixed IBC60
 of 4
Model Numbers
IBC60AQN4896J
Part Number System with Options
IBC 60A Q N4896-RENJ
Product Family
IBC = Intermediate Bus Converter
2nd Generation
Rated Output Current
60 A = 60 Amps at 48 V
Form Factor
Q = Quarter-Brick
Input Voltage Type
T = Narrow Input Fixed Ratio
S = Narrow Input Semi-reguated
N = Narrow Telecom Fixed Ratio
W = Wide Telecom Semi-reguated
RoHS Compliance
J = Pb-free (RoHS 6/6 compliant)
Pin Length Options
Blank = 0.188 ” (4.78 mm)
N = 0.145 ” (3.68 mm)
K = 0.110 ” (2.79 mm)
Package, Body Height
E = Open-Frame, 0.49 in (12.48 mm)
Remote ON/OFF Logic
Blank = Positive
R = Negative (See Note 6)
Output Voltage
96 = 9.6 V
Input Voltage
48 = 48 V
Notes
1 Recommended input fusing is a 20 A HRC 250 V rated fuse.
2 Measured with external filter. See Application Note 209 for details.
3 Start-up into resistive load.
4 Peak to peak measured without external Pi filter. Significant reduction
possible with external filter. See Application Note 209 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 Active-low remote ON/OFF option is also available. Please add the suffix ‘-R’
to the part number, e.g. IBC60AQN4896-REJ.
7 Maximum output power at maximum input voltage.
8 Efficiency at 100% maximum output voltage.
9 After an input overvoltage latch off, the input voltage must be returned to 55
V or lower for unit to restart.
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is not user accessible.

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Embedded Power for
Business-Critical Continuity
Mechanical Drawing
0.140 (3.56)
Hotspot location for
thermal derating.
2.300 (58.42)
2.000 (50.80)
1
0.300 (7.62)
2
0.725 (18.42) 3
7
6
0.300 (7.62)
5
4
0.450 (11.43)
0.145 (3.68)
0.145 (3.68)
0.04 (1.0)
MIN
ø0.090 (2.35)
ø0.080 (2.03)
ø0.040 (1.02)
2.300 (58.42)
2.000 (50.80)
0.300 (7.62)
01.45 (36.8)
0.725 (18.42)
1
2
3
7
6
5
4
ø0.080 (2.03)
(3 pls)
RECOMMENDED HOLE PATTERN
0.49 (12.48)
MAX
ø0.118 (3.00)
ø0.100 (2.54)
ø0.062 (1.57)
ø0.100 (2.54)
(4 pls)
0.450 (11.43)
0.300 (7.62)
0.450 (11.43)
Dimensions in Inches (mm)
Tolerances (unless otherwise specified)
x.xx 0.02 (x.x 0.5)
Pin Connections
x.xxx 0.010 (x.xx 0.25)
Pin Numberøx.xxx 0.003 (øx.xx 0.08)
Function
1 + Vin
2 Remote ON/OFF
3 -Vin
4 +Vout
5 -Vout
6 +Vout
7 -Vout
Rev. 03.31.09_162
­Americas
Quarter-Brick Fixed IBC60
 of 4
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Europe (UK)
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Asia (HK)
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:
www.PowerConversion.com
techsupport.embeddedpower
@emerson.com
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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.
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