IB048E120T40P300 [VICOR]

4:1 Intermediate Bus Converter Module: Up to 500 W Output;
IB048E120T40P300
型号: IB048E120T40P300
厂家: VICOR CORPORATION    VICOR CORPORATION
描述:

4:1 Intermediate Bus Converter Module: Up to 500 W Output

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中文:  中文翻译
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IBC Module  
IB0xxE120T40xx-xx  
S
®
C
NRTL US  
C
US  
4:1 Intermediate Bus Converter Module: Up to 500 W Output  
Features  
Input: 36 – 60 Vdc  
97.8% peak ef  
ficiency  
(38 – 55 Vdc for IB048x)  
Low profile: 0.38” height above board  
Industry standard 1/8 Brick pinout  
Sine Amplitude Converter  
Output: 12.0 Vdc at 48 Vin  
Output current up to 40 A  
Output power: up to 500 W [A]  
Size:  
Low noise 1 MHz ZVS/ZCS  
2.30 x 0.9 x 0.38 in  
58,4 x 22,9 x 9,5 mm  
2,250 Vdc isolation  
(1,500 Vdc isolation for IB048x)  
[A] For lower power applications see 300 W model IB0xxE120T32xx-xx  
Applications  
Product Overview  
Enterprise networks  
The Intermediate Bus Converter (IBC) Module is a very efficient, low profile, isolated, fixed  
ratio converter for power system applications in enterprise and optical access networks.  
Rated at up to 360 W from 38 Vin and up to 500 W from 50 to 55 Vin, the IBC  
conforms to an industry standard eighth brick footprint while supplying the power of  
a quarter brick. Its leading efficiency enables full load operation at 55°C with only 200  
LFM airflow. Its small cross section facilitates unimpeded airflow — above and below  
its thin body — to minimize the temperature rise of downstream components.  
Optical access networks  
Storage networks  
Automated test equipment  
PART NUMBER DESIGNATION  
Input  
Voltage  
Output Voltage  
(Nom.) x 10  
Output  
Current  
Enable  
Logic  
Pin  
Length  
Function  
Package  
Temperature Grade  
Options  
I
B
0
x
x
E
1
2
0
T
4
0
x
x
-
x
x
N = Negative  
P = Positive  
00 = Open frame  
T = -40°C TOPERATING +100°C  
-40°C TSTORAGE +125°C  
IB = Intermediate  
E = Eighth Brick  
Bus Converter  
Format  
1 = 0.145 in  
2 = 0.210 in  
3 = 0.180 in  
048 = 38 - 55 Vdc  
050 = 36 - 60 Vdc  
054 = 36 - 60 Vdc*  
40 = Max Rated Output Current  
120 = (VOUT nominal @ VIN = 48 Vdc) X 10  
(4:1 transfer ratio)  
*w/operating transient to 75 Vdc  
IBC MODULE  
Page 1 of 16  
Rev 1.0  
03/2015  
vicorpower.com  
800 927.9474  
IB0xxE120T40xx-xx  
SPECIFICATIONS  
All specifications valid at 48 VIN , 100% rated load and 25°C ambient, unless otherwise indicated.  
Absolute Maximum Ratings  
Min  
Max  
Unit  
Notes  
See Input Range Specific  
Input voltage (+In to –In)  
-0.5  
75  
Vdc  
Characteristics for details  
Input voltage slew rate  
EN to –IN  
5
20  
V/µs  
Vdc  
Vdc  
A
-0.5  
-0.5  
Output voltage (+Out to –Out)  
Output current  
See note  
40  
See OVP setpoint max  
Pout 500 W  
Dielectric withstand  
(input to output)  
2,250  
(1,500 for IB048x)  
Vdc  
1 min.  
Temperature  
Operating junction  
Storage  
-40  
-55  
125  
125  
°C  
°C  
Hottest Semiconductor  
Electrical Characteristics  
Attribute  
Symbol  
Conditions / Notes  
Min  
Typ  
Max  
Unit  
INPUT RANGE SPECIFIC CHARACTERISTICS  
IB048E120T40xx-xx  
Operating input voltage  
38  
48  
55  
75  
5
Vdc  
Vdc  
V/µs  
Non-operating input surge withstand  
<100 ms  
Operating input dv/dt  
Undervoltage protection  
Turn-on  
0.003  
33  
31  
2
38  
36  
Vdc  
Vdc  
Vdc  
µs  
Turn-off  
Turn-on/Turn-off hysteresis  
Time constant  
7
Undervoltage blanking time  
UV blanking time is enabled after start up  
50  
100  
200  
µs  
Overvoltage protection  
Turn-off  
60  
55  
64  
64  
Vdc  
Vdc  
µs  
Turn-on  
Time constant  
4
Peak short circuit input current  
DC Output voltage band  
Output OVP set point  
Dielectric withstand  
Insulation resistance  
30  
A
No load, over Vin range  
Module will shut down  
Input to output; 1 min  
Input to output  
9.5  
16.2  
1,500  
12.0  
30  
13.75  
Vdc  
Vdc  
Vdc  
MΩ  
IBC MODULE  
Page 2 of 16  
Rev 1.0  
03/2015  
vicorpower.com  
800 927.9474  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
All specifications valid at 48 VIN , 100% rated load and 25°C ambient, unless otherwise indicated.  
(Continued)  
Electrical Characteristics  
Attribute  
Symbol  
Conditions / Notes  
Min  
Typ  
Max  
Unit  
INPUT RANGE SPECIFIC CHARACTERISTICS CONT.  
IB050E120T40xx-xx  
Operating input voltage  
36  
48  
60  
75  
5
Vdc  
Vdc  
V/µs  
Non-operating input surge withstand  
<100 ms  
Operating input dv/dt  
Undervoltage protection  
Turn-on  
0.003  
31  
29  
2
36  
34  
Vdc  
Vdc  
Vdc  
µs  
Turn-off  
Turn-on/Turn-off hysteresis  
Time constant  
7
Undervoltage blanking time  
UV blanking time is enabled after start up  
50  
100  
200  
µs  
Overvoltage protection  
Turn-off  
65  
60  
69  
69  
4
Vdc  
Vdc  
µs  
Turn-on  
Time constant  
Peak short circuit input current  
DC Output voltage band  
Output OVP set point  
Dielectric withstand  
Insulation resistance  
40  
15  
A
No load, over Vin range  
Module will shut down  
Input to output; 1 min  
Input to output  
9
12  
30  
48  
Vdc  
Vdc  
Vdc  
MΩ  
16.2  
2,250  
IB054E120T40xx-xx  
Operating input voltage  
Operating input surge withstand  
36  
60  
75  
5
Vdc  
Vdc  
V/µs  
<100 ms  
Operating input dv/dt  
Undervoltage protection  
Turn-on  
0.003  
31  
29  
2
36  
34  
Vdc  
Vdc  
Vdc  
µs  
Turn-off  
Turn-on/Turn-off hysteresis  
Time constant  
7
Undervoltage blanking time  
UV blanking time is enabled after start up  
50  
100  
200  
µs  
Overvoltage protection  
Turn-off  
76  
75  
79.5  
78  
4
Vdc  
Vdc  
µs  
Turn-on  
Time constant  
Peak short circuit input current  
DC Output voltage band  
Output OVP set point  
Dielectric withstand  
Insulation resistance  
30  
15  
A
No load, over Vin range  
Module will shut down  
Input to output; 1 min  
Input to output  
9
12  
30  
Vdc  
Vdc  
Vdc  
MΩ  
16.2  
2,250  
COMMON INPUT SPECIFICATIONS  
Turn ON delay  
Start up inhibit  
VIN reaching turn-on voltage  
to enable function operational, see Figure 6  
20  
25  
30  
50  
ms  
µs  
Enable to 10% VOUT; pre-applied VIN,  
see Figure 7, 0 load capacitance  
Turn-on delay  
IBC MODULE  
Page 3 of 16  
Rev 1.0  
vicorpower.com  
800 927.9474  
03/2015  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
All specifications valid at 48 VIN , 100% rated load and 25°C ambient, unless otherwise indicated.  
(Continued)  
Electrical Characteristics  
Attribute  
Symbol  
Conditions / Notes  
Min  
Typ  
Max  
Unit  
COMMON INPUT SPECIFICATIONS CONT.  
From 10% to 90% VOUT, 10% load,  
0 load capacitance. See Figure 8  
Output voltage rise time  
Restart turn-on delay  
50  
µs  
See page 12 for restart after EN pin disable  
250  
ms  
No Load power dissipation  
Enabled  
3.0  
0.17  
3.9  
2.4  
W
W
A
Disabled  
Input current  
Low line, full load  
10.1  
18  
Inrush current overshoot  
Using test circuit in Figure 21, 15% load, high line  
At max power;  
A
Input reflected ripple current  
400  
25  
mArms  
Using test circuit in Figure 22, See Figure 5  
Repetitive short circuit peak current  
Internal input capacitance  
A
8.8  
5
µF  
nH  
Internal input inductance  
Recommended external  
input capacitance  
200 nH maximum source inductance  
47  
0
470  
µF  
OUTPUT  
Output power [a]  
Output current  
500  
40  
W
A
Output start up load  
of Iout max, maximum output capacitance  
15  
%
Effective output resistance  
Line regulation (K factor)  
4.8  
mΩ  
VOUT = K • VIN @ no load  
0.247  
0.250  
0.253  
10  
Full power operation; See Parallel Operation  
on page 13; up to 3 units  
Current share accuracy  
%
Efficiency  
50% load  
See Figure 1  
See Figure 1  
97.4  
97.0  
97.8  
97.4  
1.6  
%
%
nH  
µF  
µF  
Full load  
Internal output inductance  
Internal output capacitance  
Load capacitance  
55  
0
3000  
150  
20 MHz bandwidth (Figure 16),  
using test circuit in Figure 23  
Output voltage ripple  
60  
mVp-p  
Of Iout max., will not shutdown when started  
into max Cout; and 15% load  
Output Overload protection threshold  
105  
150  
%
Auto restart with duty cycle <10%  
Over current protection time constant  
Short circuit current response time  
Switching frequency  
1.2  
1.5  
ms  
µs  
1.0  
1
MHz  
Dyanmic response - Load  
Vo overshoot/undershoot  
Vo response time  
Load change: +/- 25% of IOUT Max,  
Slew rate (di/dt) = 1 A/µs.  
100  
mV  
µs  
See Figures: 11-14  
Dyanmic response - Line  
Line step of 5 V in 1 µs, within VIN operating  
range. (CIN = 500 uF, CO = 350 uF)  
(Figure 15 illustrates similar converter response  
when subjected to a more severe line transient.)  
Vo overshoot  
1.25  
V
[a]  
Does not exceed IPC-9592 derating guidelines. At 70°C ambient, full power operation may exceed IPC-9592 guidelines, but does not exceed  
component ratings, does not activate OTP and does not compromise reliability.  
IBC MODULE  
Page 4 of 16  
Rev 1.0  
03/2015  
vicorpower.com  
800 927.9474  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
(Continued)  
Electrical Characteristics  
Attribute  
Symbol  
Conditions / Notes  
Min  
Typ  
Max  
Unit  
OUTPUT CONT.  
Unit will start up into a pre-bias  
voltage on the output.  
Pre-bias voltage  
0
15  
Vdc  
Control & Interface Specifications  
Attribute  
Symbol  
Conditions / Notes  
Referenced to –IN  
VEN = 0.8 V  
Min  
Typ  
Max  
Unit  
Enable (negative logic)  
Module enable threshold  
Module enable current  
Module disable threshold  
Module disable current  
Disable hysteresis  
0.8  
Vdc  
µA  
130  
200  
2.4  
Vdc  
µA  
VEN = 2.4 V  
130  
500  
2.5  
mV  
Vdc  
Enable pin open circuit voltage  
3.0  
EN to –IN resistance  
Enable (positive logic)  
Open circuit, 10 V applied between EN and -IN  
Referenced to –IN  
35  
kΩ  
Module enable threshold  
Module disable threshold  
EN source current (operating)  
EN voltage (operating)  
2.0  
4.7  
2.5  
3.0  
1.45  
2
Vdc  
Vdc  
mA  
Vdc  
VEN = 5 V  
5
5.3  
Conditions: 25°C case, 75% rated load and specified input voltage range unless otherwise specified.  
General Characteristics  
Attribute  
Symbol  
Conditions / Notes  
Min  
Typ  
Max  
Unit  
MTBF  
Calculated per Telcordia SR-332, 40°C  
Calculated at 30°C  
1.0  
7
Mhrs  
Years  
Service life  
TJ; Converter will reset when over  
temperature condition is removed  
Over temperature shut down  
125  
130  
30  
135  
°C  
Dielectric withstand  
Insulation resistance  
Mechanical  
Input to output  
Input to output  
1,500  
Vdc  
MΩ  
Weight  
0.71 / 20.3  
2.30 /58.4  
0.9/22.9  
oz/g  
Length  
in/mm  
in/mm  
in/mm  
Years  
Width  
Height above customer board  
Pin Solderability  
Moisture Sensitivity Level  
Clearance to customer board  
0.38/9.5  
Storage life for normal solderability  
Not applicable, for wave soldering only  
From lowest component on IBC  
UL60950-1  
1
MSL  
N/A  
0.12/0.30  
in/mm  
cURus  
Agency approvals  
EN60950-1, IEC60950-1  
cTUVus  
Derate operating temp 1°C  
per 1,000 feet above sea level  
-500  
10  
10,000  
90  
Feet  
%
Altitude, operating  
Relative humidity, Operating  
RoHS compliance  
Non condensing  
Compatible with RoHS directive 2002/95/EC  
IBC MODULE  
Page 5 of 16  
Rev 1.0  
vicorpower.com  
800 927.9474  
03/2015  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
IPC-9592A, Based on Class II Category 2 the following detail is applicable. – Pre-conditioning required  
Environmental Qualification  
Test Description  
Test Detail  
Quantity Tested  
Low Temp  
High Temp  
3
3
3
3
3
3
3
Rapid Thermal Cycling  
6 DOF Random Vibration Test  
Input Voltage Test  
5.2.3 HALT (Highly Accelerated Life testing)  
Output Load Test  
Combined Stresses Test  
5.2.4 THB (Temp. Humidity Bias)  
(72 hr presoak required) 1000 hrs – Continuous Bias  
30  
Power cycle - On 42 minutes  
Off 1 minute, On 1 minute, Off 1 minute, On 1 minute, Off 1 minute,  
On 1 minute, Off 1 minute, On 1 minute, Off 10 minutes. Alternating  
between maximum and minimum operating Voltage every hour.  
30  
5.2.5 HTOB (High Temp. Operating Bias)  
5.2.6 TC (Temp. Cycling)  
5.2.7 Power Cycling  
700 cycles , 30 minute dwell at each extreme – 20C minimum ramp rate.  
Reference IPC-9592A  
30  
3
Random Vibration – Operating IEC 60068-2-64 (normal operation vibration)  
Random Vibration Non-operating (transportation) IEC 60068-2-64  
Shock Operating - normal operation shock IEC 60068-2-27  
Free fall - IEC 60068-2-32  
3
3
5.2.8 – 5.2.13 Shock and Vibration  
5.2.14 Other Environmental Tests  
3
3
Drop Test 1 full shipping container (box)  
12  
5.2.14.1 Corrosion Resistance – Not required  
N/A  
3
5.2.14.2 Dust Resistance – Unpotted class II GR-1274-CORE  
5.2.14.3 SMT Attachment Reliability IPC-9701 - J-STD-002  
5.2.14.4 Through Hole solderability – J-STD-002  
3
5
ESD Classification Testing  
Sample size assumes CDM testing  
12  
Total Quantity (est.)  
161  
IBC MODULE  
Page 6 of 16  
Rev 1.0  
03/2015  
vicorpower.com  
800 927.9474  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
WAVEFORMS  
Efficiency TAMB 25°C  
Efficiency TAMB 55°C  
99%  
98%  
97%  
96%  
95%  
94%  
93%  
92%  
99%  
98%  
97%  
96%  
95%  
94%  
93%  
92%  
0
8
:
16  
24  
32  
40  
0
8
:
16  
24  
32  
40  
Iout (A)  
48 V  
Iout (A)  
VIN  
38 V  
55 V  
VIN  
38 V  
48 V  
55 V  
Figure 1 — Efficiency vs. output current, 25°C ambient  
Figure 2 — Efficiency vs. output current, 55°C ambient  
Efficiency TAMB 70°C  
99%  
98%  
97%  
96%  
95%  
94%  
93%  
92%  
0
8
:
16  
24  
32  
40  
Iout (A)  
VIN  
38 V  
48 V  
55 V  
Figure 3 — Efficiency vs. output current, 70°C ambient  
Figure 4 — Inrush current at high line 15% load; 5 A/div  
Figure 5 — Input reflected ripple current at nominal line, full load  
Figure 6 Turn on delay time;  
VIN turn on delay at nominal line, 15% load  
IBC MODULE  
Page 7 of 16  
Rev 1.0  
vicorpower.com  
800 927.9474  
03/2015  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
WAVEFORMS (CONT.)  
Figure 7 Turn on delay time;  
Figure 8 — Output voltage rise time at nominal line, 10% load  
Enable turn on delay at nominal line, 15% load  
Figure 9 — Overshoot at turn on at nominal line, 15% load  
Figure 10 — Undershoot at turn off at nominal line, 10% load  
Figure 11 — Load transient response; nominal line  
Figure 12 — Load transient response; Full load to 75%; nominal line  
Load step 75100%  
IBC MODULE  
Page 8 of 16  
Rev 1.0  
03/2015  
vicorpower.com  
800 927.9474  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
WAVEFORMS (CONT.)  
Figure 13 — Load transient response; nominal line  
Figure 14 — Load transient response; 25–0%; nominal line  
Load step 025%  
Figure 16 — Output ripple; Nominal line, full load  
Figure 15 — Input transient response;  
Vin step low line to high line at full load  
Figure 17 Two modules parallel array test. VOUT and IIN change when  
Figure 18 Two modules parallel array test. VOUT and IIN change when  
one module is disabled. Nominal VIN, IOUT = 40 A  
one module is enabled. Nominal VIN, IOUT = 40 A  
IBC MODULE  
Page 9 of 16  
Rev 1.0  
vicorpower.com  
800 927.9474  
03/2015  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
WAVEFORMS (CONT.)  
Output Current Derating  
Output Current Derating  
45  
40  
35  
30  
25  
20  
15  
10  
5
45  
40  
35  
30  
25  
20  
15  
10  
5
0
0
25  
35  
45  
Ambient Temperature (°C)  
200 LFM 400 LFM  
55  
65  
75  
85  
95  
25  
35  
45  
Ambient Temperature (°C)  
200 LFM 400 LFM  
55  
65  
75  
85  
95  
600 LFM  
600 LFM  
Figure 19 — Maximum output current derating vs ambient air  
temperature. Transverse airflow, Board and junction  
temperatures within IPC-9592 derating guidelines  
Figure 20 — Maximum output current derating vs ambient air  
temperature. Longitudinal airflow, Board and junction  
temperatures within IPC-9592 derating guidelines  
Current Probe  
Current Probe  
10 µH  
+IN  
EN  
+OUT  
–OUT  
+
_
+IN  
EN  
+OUT  
–OUT  
IBC  
V
source  
C*  
+
_
47 µF  
IBC  
–IN  
V
source  
470 µF  
–IN  
*Maximum load capacitance  
Figure 21 — Inrush current overshoot  
Figure 22 — Input reflected ripple current  
0.1 µF  
10 µF  
+IN  
–IN  
+OUT  
–OUT  
IBC  
E – Load  
Cya  
Cyc  
Cyd  
Cyb  
20 MHz BW  
Cya-d = 4700 pF  
Figure 23 Test circuit; output voltage ripple  
IBC MODULE  
Page 10 of 16  
Rev 1.0  
03/2015  
vicorpower.com  
800 927.9474  
IB0xxE120T40xx-xx  
SPECIFICATIONS (CONT.)  
THERMAL DATA  
Figure 24 — Thermal plot, 200 LFM, 25°C, 48 Vin, 450 W output power  
Figure 25 — Thermal plot, 200 LFM, 25°C, 48 Vin, 450 W output power  
Figure 26 — Thermal plot, 400 LFM, 25°C, 48 Vin, 450 W output power  
Figure 27 — Thermal plot, 400 LFM, 25°C, 48 Vin, 450 W output power  
Figure 28 — Thermal plot, 600 LFM, 25°C, 48 Vin, 450 W output power  
Figure 29 — Thermal plot, 600 LFM, 25°C, 48 Vin, 450 W output power  
IBC MODULE  
Page 11 of 16  
Rev 1.0  
vicorpower.com  
800 927.9474  
03/2015  
IB0xxE120T40xx-xx  
PIN / CONTROL FUNCTIONS  
+In / -In – DC Voltage Input Pins  
The IBC input voltage range should not be exceeded. An internal  
undervoltage/overvoltage lockout function prevents operation outside of  
the normal operating input range. The IBC turns on within an input voltage  
window bounded by the “Input under-voltage turn-on” and “Input  
over-voltage turn-off” levels, as specified. The IBC may be protected against  
accidental application of a reverse input voltage by the addition of a  
rectifier in series with the positive input, or a reverse rectifier in shunt with  
the positive input located on the load side of the input fuse.  
1
2
3
5
4
Top View  
The connection of the IBC to its power source should be implemented with  
minimal distribution inductance. If the interconnect inductance exceeds  
100 nH, the input should be bypassed with a RC damper to retain low  
source impedance and stable operation. With an interconnect inductance  
of 200 nH, the RC damper may be 47 µF in series with 0.3 Ω. A single  
electrolytic or equivalent low-Q capacitor may be used in place of the series  
RC bypass.  
Pin  
1
2
Function  
Vin+  
Enable  
Vin-  
3
4
5
Vout-  
Vout+  
EN - Enable/Disable  
Negative Logic Option  
If the EN port is left floating, the IBC output is disabled. Once this port is-  
pulled lower than 0.8 Vdc with respect to –In, the output is enabled. The  
EN port can be driven by a relay, opto-coupler, or open collector transistor.  
Refer to Figures 6 and 7 for the typical enable / disable characteristics. This  
port should not be toggled at a rate higher than 1 Hz. The EN port should  
also not be driven by or pulled up to an external voltage source.  
Figure 30 — IBC Pin Designations  
Positive Logic Option  
If the EN port is left floating, the IBC output is enabled. Once this port is  
pulled lower than 1.4 Vdc with respect to –In, the output is disabled. This  
action can be realized by employing a relay, opto-coupler, or open collector  
transistor. This port should not be toggled at a rate higher than 1 Hz.  
The EN port should also not be driven by or pulled up to an external voltage  
source. The EN port can source up to 2 mA at 5 Vdc. The EN port should  
never be used to sink current.  
If the IBC is disabled using the EN pin, the module will attempt to restart  
approximately every 250ms. Once the module has been disabled for at least  
250ms, the turn on delay after the EN pin is enabled will be as shown in  
Figure 7.  
+Out / -Out – DC Voltage Output Pins  
Total load capacitance at the output of the IBC should not exceed the  
specified maximum. Owing to the wide bandwidth and low output  
impedance of the IBC, low frequency bypass capacitance and significant en-  
ergy storage may be more densely and efficiently provided by adding  
capacitance at the input of the IBC.  
IBC MODULE  
Page 12 of 16  
Rev 1.0  
03/2015  
vicorpower.com  
800 927.9474  
IB0xxE120T40xx-xx  
APPLICATIONS NOTE  
Parallel Operation  
Input Impedance Recommendations  
The IBC will inherently current share when operated in an array. Arrays may  
be used for higher power or redundancy in an application. Current sharing  
accuracy is maximized when the source and load impedance presented to  
each IBC within an array are equal. The recommended method to achieve  
matched impedances is to dedicate common copper planes within the PCB  
to deliver and return the current to the array, rather than rely upon traces  
of varying lengths. In typical applications the current being delivered to the  
load is larger than that sourced from the input, allowing narrower traces to  
be utilized on the input side if necessary. The use of dedicated power  
planes is, however, preferable.  
To take full advantage of the IBC capabilities, the impedance presented to  
its input terminals must be low from DC to approximately 5 MHz.  
The source should exhibit low inductance and should have a critically  
damped response. If the interconnect inductance is excessive, the IBC input  
pins should be bypassed with an RC damper (e.g., 47 µF in series with  
0.3 Ω) to retain low source impedance and proper operation. Given the  
wide bandwidth of the IBC, the source response is generally the limiting  
factor in the overall system response.  
Anomalies in the response of the source will appear at the output of the  
IBC multiplied by its K factor. The DC resistance of the source should be  
kept as low as possible to minimize voltage deviations. This is especially  
important if the IBC is operated near low or high line as the  
One or more IBCs in an array may be disabled without adversely affecting  
operation or reliability as long as the load does not exceed the rated power  
of the enabled IBCs.  
The IBC power train and control architecture allow bi-directional power  
transfer, including reverse power processing from the IBC output to its  
input. The IBCs ability to process power in reverse improves the IBC tran-  
sient response to an output load dump.  
overvoltage/undervoltage detection circuitry could be activated.  
Input Fuse Recommendations  
The IBC is not internally fused in order to provide flexibility in configuring  
power systems. However, input line fusing of VI Bricks must always be  
incorporated within the power system. A fast acting fuse should be placed  
in series with the +In port. See safety agency approvals.  
Thermal Considerations  
The temperature distribution of the VI Brick can vary significantly  
with its input/output operating conditions, thermal management and  
environmental conditions. Although the PCB is UL rated to 130°C, it is  
recommended that PCB temperatures be maintained at or below 125°C.  
For maximum long term reliability, lower PCB temperatures are  
recommended for continuous operation, however, short periods of  
operation at 125°C will not negatively impact performance or reliability.  
Application Notes  
For IBC and VI Brick application notes on soldering, thermal management,  
board layout, and system design visit vicorpower.com.  
WARNING: Thermal and voltage hazards. The IBC can operate with surface  
temperatures and operating voltages that may be hazardous to personnel.  
Ensure that adequate protection is in place to avoid inadvertent contact.  
IBC MODULE  
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IBC BLOCK DIAGRAM  
The Sine Amplitude ConverterTM (SACTM) uses a high frequency resonant tank to transfer energy from input to output. The resonant tank is formed by Cr and  
leakage inductance from the main transformer, Lr, as shown in the block diagram. The controller regulates switching frequency of the FET drivers, monitors  
current sensing, and provides undervoltage and overvoltage protection.  
Figure 31 — IBC Block diagram  
IBC MODULE  
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MECHANICAL DRAWINGS  
Pin Length (X)  
(X)  
Designator  
Length  
1
2
3
0.145 [3.68]  
0.21 [5.33]  
0.18 [4.57]  
Figure 32 — IBC outline drawing  
Top View  
Figure 33 — IBC PCB recommended hole pattern  
IBC MODULE  
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Vicor’s comprehensive line of power solutions includes high density AC-DC and DC-DC modules and ac-  
cessory components, fully configurable AC-DC and DC-DC power supplies, and complete custom power  
systems.  
Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor makes no  
representations or warranties with respect to the accuracy or completeness of the contents of this publication. Vicor reserves the right to make  
changes to any products, specifications, and product descriptions at any time without notice. Information published by Vicor has been checked and  
is believed to be accurate at the time it was printed; however, Vicor assumes no responsibility for inaccuracies. Testing and other quality controls are  
used to the extent Vicor deems necessary to support Vicors product warranty. Except where mandated by government requirements, testing of all  
parameters of each product is not necessarily performed.  
Specifications are subject to change without notice.  
Vicor’s Standard Terms and Conditions  
All sales are subject to Vicors Standard Terms and Conditions of Sale, which are available on Vicors webpage or upon request.  
Product Warranty  
In Vicors standard terms and conditions of sale, Vicor warrants that its products are free from non-conformity to its Standard Specifications (the “Ex-  
press Limited Warranty”). This warranty is extended only to the original Buyer for the period expiring two (2) years after the date of shipment and is  
not transferable.  
UNLESS OTHERWISE EXPRESSLY STATED IN A WRITTEN SALES AGREEMENT SIGNED BY A DULY AUTHORIZED VICOR SIGNATORY, VICOR DISCLAIMS  
ALL REPRESENTATIONS, LIABILITIES, AND WARRANTIES OF ANY KIND (WHETHER ARISING BY IMPLICATION OR BY OPERATION OF LAW) WITH RE-  
SPECT TO THE PRODUCTS, INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR REPRESENTATIONS AS TO MERCHANTABILITY, FITNESS FOR  
PARTICULAR PURPOSE, INFRINGEMENT OF ANY PATENT, COPYRIGHT, OR OTHER INTELLECTUAL PROPERTY RIGHT, OR ANY OTHER MATTER.  
This warranty does not extend to products subjected to misuse, accident, or improper application, maintenance, or storage. Vicor shall not be liable  
for collateral or consequential damage. Vicor disclaims any and all liability arising out of the application or use of any product or circuit and assumes  
no liability for applications assistance or buyer product design. Buyers are responsible for their products and applications using Vicor products and  
components. Prior to using or distributing any products that include Vicor components, buyers should provide adequate design, testing and operat-  
ing safeguards.  
Vicor will repair or replace defective products in accordance with its own best judgment. For service under this warranty, the buyer must contact  
Vicor to obtain a Return Material Authorization (RMA) number and shipping instructions. Products returned without prior authorization will be re-  
turned to the buyer. The buyer will pay all charges incurred in returning the product to the factory. Vicor will pay all reshipment charges if the prod-  
uct was defective within the terms of this warranty.  
Life Support Policy  
VICOR’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS  
PRIOR WRITTEN APPROVAL OF THE CHIEF EXECUTIVE OFFICER AND GENERAL COUNSEL OF VICOR CORPORATION. As used herein, life support de-  
vices or systems are devices which (a) are intended for surgical implant into the body, or (b) support or sustain life and whose failure to perform  
when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the  
user. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the  
failure of the life support device or system or to affect its safety or effectiveness. Per Vicor Terms and Conditions of Sale, the user of Vicor products  
and components in life support applications assumes all risks of such use and indemnifies Vicor against all liability and damages.  
Intellectual Property Notice  
Vicor and its subsidiaries own Intellectual Property (including issued U.S. and Foreign Patents and pending patent applications) relating to the prod-  
ucts described in this data sheet. No license, whether express, implied, or arising by estoppel or otherwise, to any intellectual property rights is  
granted by this document. Interested parties should contact Vicor's Intellectual Property Department.  
The products described on this data sheet are protected by the following U.S. Patents Numbers:  
5,945,130; 6,403,009; 6,710,257; 6,911,848; 6,930,893; 6,934,166; 6,940,013; 6,969,909; 7,038,917;  
7,166,898; 7,187,263; 7,361,844; D496,906; D505,114; D506,438; D509,472; and for use under 6,975,098 and 6,984,965  
Vicor Corporation  
25 Frontage Road  
Andover, MA, USA 01810  
Tel: 800-735-6200  
Fax: 978-475-6715  
email  
Customer Service: custserv@vicorpower.com  
Technical Support: apps@vicorpower.com  
IBC MODULE  
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800 927.9474  

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