參數(shù)資料
型號(hào)： MI-RAM
廠商： Vicor Corporation
元件分類： DC/DC變換器
英文描述： Military Ripple Attenuator Modules
中文描述： 軍事紋波衰減模塊
文件頁(yè)數(shù)： 1/1頁(yè)
文件大?。?/td> 209K
代理商： MI-RAM
Mechanical Drawing
5
6
7
8
9
4
3
2
1
0.080 Dia (2) places
0.040 (1,0) Dia (7) places
Product ID
0.01
Aluminum Base
Function
+In
+Sense In
–Sense In
–In
+Out
+Sense
NC
–Sense
–Out
Pin #
1
2
3
4
5
6
7
8
9
FULL R
0.15
+0.030 (0,76)
1.75
(2.40
2.28
(57,9)
0.12
(0.50
(1.90
(0.65
(0.49
0.30
±
0.015
(7,6)
±
(0,38)
0.15
(3,8)
(2.10
(33,0)
(0.40
0.35
±
(0,38)
(8,9)
±
(1.40
(1.00
0.70
MI-RAM
(5,6) Min.
(7,6) Min.
PARAMETER
MIN
TYP
MAX
UNITS
NOTES
Output noise and ripple
2.0
6.0
3.0
10.0
50
100.5
10
20
0.38
mV pp
mV pp
Vdc
%
A
A
MI-200; 10% to 100% load
MI-J00; 10% to 100% load
Input voltage range
Output voltage accuracy
Full load current
5Vdc
99.5
Of MI source converter
MI-RAM-I1 and MI-RAM-M1
MI-RAM-I2 and MI-RAM-M2
10% to full load
DC voltage drop
Dissipation = (DC voltage drop x load current) + (Vin x 15 mA)
Isolation
Weight
0.34
250
3.0 (85)
Vrms
Input/output to baseplate
ounces (grams)
Input to the converter
(10V/cm)
Output from the RAM
(2mV/cm)
60 db
55 db
25 db
30 db
35 db
40 db
45 db
50 db
10 MHz
1 MHz
100 KHz
10 KHz
1 KHz
100 Hz
10 Hz
Frequency
A
Attenuation vs. Frequency (typical)
Product Highlights
The MI-RAM is designed for
military applications where
extremely low noise outputs are
required. When used with any
Vicor MI-Series DC-DC converter,
the MI-RAM reduces both line
frequency related ripple and
switching noise to less than
10mV p-p, DC to 20MHz.
The combination of the MI-RAM
with an MI converter provides the
output noise performance of a
linear supply at a power density
in excess of 15W/in
3
.
All of the features of the MI-Series
converter remain available while
using the MI-RAM, including
output voltage trimming, OVP and
OTP (MI-200 only), current limiting,
remote sense, and output inhibit.
All units are manufactured in ISO
9001-registered facilities. Full
epoxy encapsulation in a low
profile package enables the MI-RAM
to meet MIL-STD-810 environmental
testing requirements.
MI-RAM
Military Ripple Attenuator Modules
TM
"
Reduces output PARD to <10mV pp
"
Full attenuation up to 20A load
"
Compatible with all MI-Series units
from 5 to 50Vdc output
"
No adjustments required
"
93%-99% efficiency
"
Converter sense,trim,OV
and OC retained
"
MIL-STD-810 environments
"
Size: 2.28" x 2.4" x 0.5"
(57,9 x 61,0 x 12,7mm)
Specifications
(At TBP= 25°C, unless otherwise specified)
Product Grade Specifications
Features
*Test data available for review or download from vicorpower.com
PARAMETER
PRODUCT GRADE
I-Grade
M-Grade
Storage temperature
-55°C to +125°C
-65°C to +125°C
Operating temperature (baseplate)
-40°C to +100°C
-55°C to +100°C
Power cycling burn-in
12 hours,25 cycles
96 hours,200 cycles
Temperature cycled with power off
17°C per minute rate of change
Test data supplied at these temperatures*
12 cycles
-65°C to +100°C
-40°C,+80°C
12 cycles
-65°C to +100°C
-55°C,+80°C
Warranty
2 years
2 years
Environmental compliance
MIL-STD-810
MIL-STD-810
MI-RAM 04/03 1 of 1
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