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PDF ( 数据手册 , 数据表 ) uRAM2C23

零件编号 uRAM2C23
描述 Output Ripple Attenuation Module
制造商 Vicor Corporation
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uRAM2C23 数据手册, 描述, 功能
45
Features
>40dB ripple attenuation from
60Hz to 1MHz
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
3-30Vdc input range
20 and 30 Ampere ratings
PRELIMINARY
Data Sheet
MicroRAMTM
Output Ripple Attenuation Module
Patents Pending
Shown actual size:
2.28 x 1.45 x 0.5 in
57,9 x 36,8 x 12,7 mm
Product Highlights
Vicor’s MicroRAM output ripple attenuation
module combines both active and passive
filtering to achieve greater than 40dB of
noise attenuation from 60Hz to 1Mhz. The
MicroRAM operates over a range of 3 to
30Vdc, is available in either 20 or 30A
models and is compatible with most
manufacturers switching converters
including Vicor’s 1st and 2nd Generation
DC-DC converters.
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.
Absolute Maximum Ratings
Parameter
+In to –In
+In to –In
Load current
Ripple Input (Vp-p)
Ripple Input (Vp-p)
Mounting torque
Pin soldering temperature
Pin soldering temperature
Storage temperature (C, T-Grade)
Storage temperature (H-Grade)
Storage temperature (M-Grade)
Operating temperature (C-Grade)
Operating temperature (T, H-Grade)
Operating temperature (M-Grade)
Thermal Resistance
Rating
30
40
40
100
500
4-6 (0.45-0.68)
500 (260)
750 (390)
-40 to +125
-55 to +125
-65 to +125
-20 to +100
-40 to +100
-55 to +100
Unit
Vdc
Vdc
Adc
mV
mV
In. lbs (Nm)
°F (°C)
°F (°C)
°C
°C
°C
°C
°C
°C
It is available in Vicor’s standard micro
package (quarter brick) with a variety of
terminations for through hole, socket or
surface mount applications.
Parameter
Baseplate to sink; flat, greased surface
Baseplate to sink; with thermal pad (P/N 20264)
Baseplate to ambient
Baseplate to ambient; 1000 LFM
Typ
0.16
0.14
8.0
1.9
Notes
Continuous
100ms
Continuous
60Hzc100 kHz
100kHz –2MHz
6 each, 4-40 screw
5 sec; wave solder
7 sec; wave solder
Baseplate
Baseplate
Baseplate
Unit
°C/Watt
°C/Watt
°C/Watt
°C/Watt
Part Numbering
uRAM 2
C
21
Product
Type
2 = 20A
3 = 30A
Product Grade
C = –20°C to +100°C
T = –40°C to +100°C
H = –40°C to +100°C
M = –55°C to +100°C
Pin Style*
1 = Short Pin
2 = Long Pin
S = Short ModuMate
N = Long ModuMate
Baseplate
1 = Slotted
2 = Threaded
3 = Thru-hole
*Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
MicroRAM
Set your site on VICOR at www.vicorpower.com
Rev. 1.1
Page 1 of 8







uRAM2C23 pdf, 数据表
Mechanical Drawings
PRELIMINARY
MODULE OUTLINE
uRAM Pins
No. Function Label
1 +In
+
2 Control SC
3 C ext. CTRAN
4 –In
5 –Out
6 Reference Vref
7 +Out
+
0.235±.015
5,97±0,38
(REF)
0.350±.015
8,89±0,38
(REF)
Slotted (Style 1)
or
Threaded (Style 2)
4-40 UNC-2B (6X)
or
Thru Hole (Style 3)
#30 Drill Thru (6X)
(0.1285)
0.21
5,2
(REF)
0.50 ±0.02
12,7 ±0,5
0.800
20,32
0.525
13,34
.275
6,99
1 23 4
style 2 & 3
baseplates only
(4X)***
0.12* 0.20**
3,1 5,08
0.490 ±.015 (REF)
12,45 ±0,38
2.000
50,80
765
0.400
10,16
1.04
26,4
1.45
36,8
0.080 DIA. (7X)
2,03
0.01
0.49
12,4
0.27 (2X)
6,9
ALUMINUM
BASEPLATE
2.28
57,9
0.65
16,5
1.30
33,0
0.43 0.06
10,9 R (3X)
1,5
0.54
13,7
(7X)
Pin Style 1&S
(Short Pin)
0.62
15,7
(7X)
Pin Style 2&N
(Long Pin)
* Style 1 baseplate only
** Style 2 & 3 baseplates
*** Reserved for Vicor accessories
Not for mounting
1.27
32,3
1.45
36,8
(REF.)
0.09
2,3
0.10
2,5 X 45˚
CHAMFER
FULL R (6X)
0.13 (6X)
3,3
Use a
4-40 Screw (6x)
Torque to:
5 in-lbs
0.57 N-m
PCB MOUNTING SPECIFICATIONS
PCB THICKNESS 0.062 ±0.010
1,57 ±0,25
0.275*
6,99
0.170*
4,32
0.800*
20,32
0.525*
13,34
PLATED
THRU HOLE
DIA
0.133
3,38
1 23 4
INBOARD
SOLDER
MOUNT
PIN STYLE 1&S
(7X) 0.094 ±0.003
2,39 ±0,08
ONBOARD
SOLDER
MOUNT
PIN STYLE 2&N
0.094 ±0.003
2,39 ±0,08
2.000*
50,80
0.06
R (4X)
1,5
765
1.734**
44,04
.400*
10,16
1.140**
28,96
*DENOTES TOL = ±0.003
±0,08
**PCB WINDOW
0.43
10,9
0.53
13,5
ALL MARKINGS
THIS SURFACE
ALUMINUM
BASEPLATE
PINS STYLES
STYLE 1 & 2: TIN/LEAD
HOT SOLDER DIPPED
STYLE S & N: GOLD PLATED COPPER
Unless otherwise specified,
dimensions are in inches
mm
Decimals Tol.
Angles
0.XX
±0.01
±0,25
±1°
0.XXX ±0.005
±0,127
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
MicroRAM Data Sheet
P/N 25774
Set your site on VICOR at www.vicorpower.com
Rev.1.1 11/02/10M














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