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参数资料
| 型号： | UARAM2MG1 |
| 厂商： | ASC CAPACITORS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, DMA7 |
| 封装： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-7 |
| 文件页数： | 1/10页 |
| 文件大小： | 880K |
| 代理商： | UARAM2MG1 |
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
MicroRAM Data Sheet
Rev. 1.4
Page 1 of 10
Set your site on VICOR at www.vicorpower.com
Features
RoHS Compliant (with F or G pin option)
> 40 dB ripple attenuation from
60 Hz to 1 MHz
Integrated OR’ing diode supports
N+1 redundancy
Significantly improves load
transient response
Efficiency up to 98%
User selectable performance optimization
Combined active and passive filtering
3 – 30 Vdc input range
20 and 30 Ampere ratings
Product Highlights
Vicor’s MicroRAM output ripple attenuation
module combines both active and passive
filtering to achieve greater than 40 dB of
noise attenuation from 60 Hz to 1 Mhz. The
MicroRAM operates over a range of 3 to
30 Vdc, is available in either 20 or 30 A
models and is compatible with most
manufacturers switching converters
including all Vicor DC-DC converter
models.
The MicroRAM’s closed loop architecture
greatly improves load transient response and
with dual mode control, insures precise point
of load voltage regulation, The MicroRAM
supports redundant and parallel operation
with its integrated OR’ing diode function.
It is available in Vicor’s standard Micro
package (quarter brick) with a variety of
terminations for through hole, socket or
surface mount applications.
Data Sheet
MicroRAM
TM
Output Ripple Attenuation Module
Actual size:
2.28 x 1.45 x 0.5 in
57,9 x 36,8 x 12,7 mm
Thermal Resistance
Parameter
Typ
Unit
Baseplate to sink
flat, greased surface
0.16
°C/Watt
with thermal pad (P/N 20265)
0.14
°C/Watt
Baseplate to ambient
free convection
8.0
°C/Watt
1000 LFM
1.9
°C/Watt
uRAM 2
C
2
1
Product
Baseplate
1 = Slotted
2 = Threaded
3 = Thru-hole
Pin Style*
1 = Short Pin
2 = Long Pin
S = Short ModuMate
N = Long ModuMate
F = Short RoHS
G = Long RoHS
Product Grade Temperatures (°C)
Grade Operating
Storage
C =
– 20 to +100
– 40 to +125
T =
– 40 to +100
– 40 to +125
H =
– 40 to +100
– 55 to +125
M =
– 55 to +100
– 65 to +125
Type
2 = 20 A
3 = 30 A
Part Numbering
*Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting.
Parameter
Rating
Unit
Notes
+In to – In
30
Vdc
Continuous
40
Vdc
100ms
Load current
40
Adc
Continuous
Ripple Input (Vp-p)
100
mV
60 Hzc 100 kHz
500
mV
100 kHz – 2 MHz
Mounting torque
4 – 6
In. lbs
6 each, 4-40 screw
(0.45 – 0.68)
(Nm)
Pin soldering temperature
500 (260)
°F (°C)
< 5 sec; wave solder
750 (390)
°F (°C)
< 7 sec; wave solder
Absolute Maximum Ratings
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