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Emerson
Emerson


IBC28AQW4812-RAKJ

DC-DC / Intermediate Bus Converter



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IBC28AQW4812-RAKJ pdf
Embedded Power for
Business-Critical Continuity
Quarter-Brick
Series
2nd Generation IBC
Total Power: 336 - 450W
Input Voltage: 36 - 75 Vdc
Rev.06.06.08
qb2gibc
1 of 4
Special Features
• 48V input with isolated 12 V
output
• Ultra-high efficiency, 95.5% 12
V @ 37.5 A
• High power density (337 W/in3)
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
• 2 Year Warranty
Safety
UL/cUL : CAN/CSA 22.2
No. 60950-1
UL60950-File No. E135734
VDE File No. 10401-3336-0206
Licence No. 40012752
Electrical Specifications
Output
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
IBC38AQT4812J
IBC30AQS4812J
IBC28AQW4812J
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
0A
None
None
100 mV pk-pk typ.
40 mV rms typ.
Input
Input voltage range
Input current
Input current (max.)
Input reflected ripple
Remote OFF
(See note 1)
(See note 4)
See table
6 mA typ.
12 A max. @ lo max.
and Vin = min. rated
1000 - 1560 mA (pk-pk)
Remote ON/Off
Logic compatiblity
On
OFF
(See note 6)
Undervoltage lockout (non-latching): Power-up
IBC38AQT4812J and
Power-down
IBC30AQS4812J
Power up
IBC28AQW4812J
Power down
Startup time (see note 3)
Power-up
Remote ON/OFF
Open collector ref. to- input
>2.4 Vdc
<0.4 Vdc
40 V
38 V
35.2 V
34 V
15 ms
5 ms



No Preview Available !

IBC28AQW4812-RAKJ pdf
Embedded Power for
Business-Critical Continuity
All specifications are typical at nominal input, full load at 25° C unless otherwise stated.
EMC Charateristics
Immunity:
ESD air enclosure
Radiated field enclosure
Conducted (DC power)
Input transients
EN61000-4-2 8 kV, 6 kV
EN61000-4-3 10 V/m
EN61000-4-6 10 V
60 V to 100 V. 100 ms
(O/P within spec.)
(O/P within spec.)
(O/P within spec.)
Rev.06.06.08
qb2gibc
2 of 4
General Specifications
Efficiency
Basic insulation
Input/output
Switching frequency Fixed
Approvals and
standards (see note 5)
Material flammability
Weight
MTBF
Representative model:
Telcordia Tech SR-332
48 Vin, 40 °C, 50% load
ground benign
See table
2250 Vdc
400 kHz typ.
EN60950-1 VDE
UL/cUL60950-1
UL94V-0
49 g (1.73 oz)
5,500,000 hours
Environmental Specifications
Thermal
Operating ambient, -40 °C to +85 °C
performance temperature
Non-operating
-55 °C to +125 °C
Protection
Short-circuit
Overvoltage (See note 9)
Thermal
Hiccup
Non-latching
125 °C hot spot
Ordering Information
Output
Power
(Max.)
Input
Voltage
450 W
42 - 53 Vdc
360 W
42 - 53 Vdc
336 W
36 - 75 Vdc
Output
Voltage
12 V
12 V
12 V
Output
Current
(Min.)
0A
0A
0A
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is not user accessible.
Output Current Efficiency
(Max.)
(Typ.)
37.5 A (7)
30 A
28 A
95.5%
94.5%
94.5%
Set Point
Accuracy %
---
±0.25%
±0.25%
Regulation2
Line %
+10, -12.5%
±0.3%
±1.0%
Load
±1.5%
±1.5%
±1.5%
Model Number
IBC38AQT4812J
IBC30AQS4812J
IBC28AQW4812J
Part Number System with Options
Product Family
IBC
Rated Output
Current
30A
Form Factor
Q
Input Voltage Type
S
Input
Voltage
48
Output
Voltage
Remote
ON/OFF Logic
12 - R
Package, Body
Height
A
Pin Length
Options
N
RoHS
Compliance (7, 8)
J
IBC =2nd
30 A =
Q = Quarter-
Generation IBC 30 Amps etc. brick
T = Narrow Input
Fixed Ratio
S = Narrow Input
Semi-reguated
W = Wide Telecom
Semi-reguated
48 = 48 V 12 = 12 V
Blank =
Positive
R = Negative
(See Note 6)
A = Open-frame
0.40 in (10.2
mm)
E = Open-rame,
0.45 in (11.4
mm)
Blank = 0.188 ”
(4.78 mm)
N = 0.145 ”
(3.68 mm)
K = 0.110 ”
(2.79 mm)
J = Pb-free
(RoHS 6/6
compliant)
Notes
1. Recommended input fusing is a 20 A HRC 200 V rated fuse.
2. 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.
Vin = 42 V: Imax = 42.9 A
Vin = 48 V: Imax = 37.5 A
8. ‘VEi’no=pt5i3onVc: lIemaaraxn=ce34is.0reAquired 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 Emerson Network
Power representative or use the on-line model number search tool at
http://www.powerconversion.com to find a suitable alternative.



Part Number IBC28AQW4812-RAKJ
Description DC-DC / Intermediate Bus Converter
Maker Emerson - Emerson
Total Page 4 Pages
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