Parameter Min Typ Max Remarks
Input voltage 36Vdc 48Vdc 76Vdc Continuous
Inrush limiting 14mA/µF 6A with 330µF capacitor (See Fig 1)
Safety approvals UL 1950, CSA 22.2-950, EN 60950
Transient immunity
Telcordia-GR-499-CORE Section 132 200V 1µsec duration
ETS 300 386-1 Class 2 200V 5.0µsec rise time, 50µsec duration surge
250V 1-100 nsec burst
When used with Vicor
FM-48 filter module
Dielectric withstand 1,500Vrms Input/Output to base
Output current Delivered current to any
IAM4810C12 10A combination of Vicor’s 2nd Generation
IAM4820C12 20A 48Vin DC-DC converters
Efficiency
97%
Internal voltage drop is 1.1V max.
@ 20A, 100°C baseplate
ON/OFF control
ENABLE(ON) 0.0Vdc 1.0Vdc Referenced to –Vout.
DISABLE(OFF) 3.5Vdc 5.0Vdc 100KΩ internal pull-up resistor
Reverse polarity protection
No damage to module, external
fuse required
External capacitance See Fig 3
IAM4810C12 10µF 150µF 100V
IAM4820C12 100µF 330µF 100V
Weight 1.7 ounces (50 grams)
Warranty 2 years
Features
• Wide input voltage range
• High surge withstand
• 97% Efficiency
• Input reverse polarity protection
• On/Off control feature
•
MicroMod Package
Primary Function
• Inrush current limiting
• Input transient protection
Products Highlights
The 2nd Generation IAM48 is a
component level, DC input front-end
designed to occupy minimum board
space while providing maximum
transient protection for today’s
sophisticated electrical systems. The
IAM48, in combination with Vicor’s
48V input 2nd Generation DC-DC
converters, provides a highly efficient,
high density power system with
outputs from 1 to 100Vdc.
When the IAM48 is used with the
Vicor FM48-FiltMod, the
combination meets the conducted
EMI specifications of Telcordia,
FCC and European Norms.
Compatible Products
• FM48-FiltMod
• 2nd Generation 48V input
DC-DC converters
Part Numbers
45
Shown actual size:
2.28 x 1.45 x 0.5 in
57,9 x 36,8 x 12,7 mm
IAM48 Specifications
(typical at TBP= 25°C, nominal line, unless otherwise specified)
Data Sheet
IAM48
TM
Input Power
Conditioning Module
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Parameter Rating Unit Notes
+In to –In 80 Vdc Continuous
+In to –In 100 V 100ms
+Out to –Out 75 Vdc Continuous
Mounting torque 5(0.57) in-lbs 6 each, #4-40 or M3
Pin soldering temperature 500 (260) °F(°C) <5 sec; wave solder
Pin soldering temperature 750 (390) °F(°C) <7 sec; hand solder
Storage temperature C–,T–Grade -40 to +125 °C
Operating temperature C–Grade -20 to +100 °C Baseplate
Operating temperature T–Grade -40 to +100 °C Baseplate
Absolute Maximum Rating
IAM 48 10 C 1 1
Output
Current
10=10Amp
20=20Amp
Pin Style
1= Short Pin
2= Long Pin
S= Short ModuMate
N= Long ModuMate
Baseplate
1=Slotted
2=Threaded
3=Thru-hole
Product Grade
C=-20° to 100°C
T=-40° to 100°C
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IAM2
2nd Generation
48Vdc Input
DC-DC Converters
–IN
PR
PC
+IN
–OUT
–S
SC
+S
+OUT
FM48
–IN
+IN
IAM48
4 3 2 1
7 6 5
4 3 2 1
7 6 5
Note: The IAM48 is shown in the on state.
To disable, open the connection to pin 3.
– IN
NC
NC
+IN
– OUT
GND
+ OUT
– OUT
NC
Off/On
+OUT
– IN
NC
+ IN
Typical Transient, Surge Protection and Filtering Solution
Transient ImmunityInrush Limiting
Typical Inrush Limiting and Transient Immunity Characteristics
Figure 1—I
nrush current with 330µF
on the IAM4820C12.
Figure 2— Output response to a transient on the
48V input of a FM48-FiltMod/IAM48 combination.
Figure 3
Tek Stop: Single Seq. 5.00MS/s
[ T ]
Ch1 Zoom: 1.0X Vert 0.005X Horz
INPUT CURRENT
INPUT VOLTAGE
4
➞
OUTPUT VOLTAGE
2
➞
Ch1 10.0 V Ch2 10.0 V M2.00ms Ch1 31.8 V
Ch4 10.0mVΩ
Ch1=Vdc in
Ch2=Vdc out
Ch3=Idc in
@0.2A/mV
Tek Run: 10.0MS/s
INPUT TRANSIENT
➞
OUTPUT VOLTAGE
2
➞
Ch1 25.0V Ch2 25.0V M5.00µs Ch4 8.2A
➞
@ 200.0V
Ch1=Input
Ch2=Output
48V offset
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23
617
4
5
PLATED
THRU HOLE
DIA
±0,08
*DENOTES TOL = ±0.003
0.133
3,38
1.734**
44,04
.400*
10,16
1.140**
28,96
0.170*
4,32
0.800*
20,32
0.525*
13,34
0.275*
6,99
2.000*
50,80
0.06
1,5
R (4X)
INBOARD
SOLDER
MOUNT
PIN STYLE 1
0.094 ±0.003
2,39 ±0,08
0.43
10,9
(7X)
**PCB WINDOW
PCB THICKNESS
0.062 ±0.010
1,57 ±0,25
0.53
13,5
ONBOARD
SOLDER
MOUNT
PIN STYLE 2
0.094 ±0.003
2,39 ±0,08
Unless otherwise specified,
dimensions are in inches
mm
Decimals Tol. Angles
0.XX ±0.01
±0.25 ±1°
0.XXX ±0.005
±0.127
PCB Mounting Specifications
PINS: TIN/LEAD
HOT SOLDER DIPPED
ALUMINUM
BASEPLATE
ALL MARKINGS
THIS SURFACE
Mechanical Drawings (IAM48)
567
4321
(REF)
0.080
2,03
DIA. (7X)
0.21
5,2
0.27
6,9
(2X)
2.000
50,80
1.04
26,4
1.45
36,8
.275
6,99
0.800
20,32
0.525
13,34
0.400
10,16
0.350 ±0.015
8,89 ±0,38
0.235 ±0.015
5,97 ±0,38
FULL R (6X)
0.10
2,5
CHAMFER
(REF.)
(6X)
0.65
16,5
0.49
12,4
0.09
2,3
1.27
32,3
1.30
33,0
2.28
57,9
1.45
36,8
0.13
3,3
0.06
1,5
R (3X)
0.01
X 45˚
Use a
4-40 Screw (6x)
Torque to:
5 in-lbs
0.57 N-m
0.54
13,7
0.43
10,9
0.62
15,7
7X)
(7X)
12,7 ±0,5
0.50 ±0.02
Slotted (Style 1)
or
Threaded (Style 2)
4-40 UNC-2B (6X)
or
Thru Hole (Style 3)
#30 Drill Thru (6X)
(0.1285)
* Style 1 baseplate only
** Style 2 & 3 baseplates
*** Reserved for Vicor accessories
style 2 & 3
baseplates only
(4X)***
0.12*
3,1
0.20**
5,08
ALUMINUM
BASEPLATE
Pin Style 2
(Long)
Pin Style 1
(Short )
Module Outline
PIN OUTS
No. Function Label
1 –Vout –V
2N/C
3 Off/On Off/On
4 +Vout +V
5 +Vin +V
6N/C
7 –Vin –V
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Vicor’s comprehensive line of power solutions includes modular, high
density DC-DC converters and accessory components, configurable power
supplies, and custom power systems.
Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is
assumed by Vicor for its use. No license is granted by implication or otherwise under any patent or patent
rights of Vicor. Vicor components are not designed to be used in applications, such as life support systems,
wherein a failure or malfunction could result in injury or death. All sales are subject to Vicor’s Terms and
Conditions of Sale, which are available upon request.
Specifications are subject to change without notice.
Vicor Corporation
25 Frontage Road
Andover, MA, USA 01810
Tel: 800-735-6200
Fax: 978-475-6715
Email
Vicor Express: vicorexp@vicr.com
Technical Support: apps@vicr.com
Component Solutions
for Your Power System
45
P/N 24443 REV 3 8/01/10M
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