VSX75MD35-1 [CANDD]
75 WATT DUAL OUTPUT QUARTER BRICK DC/DC CONVERTER; 75瓦双输出1/4砖DC / DC转换器
| 型号： | VSX75MD35-1 |
| 厂家： | 
C&D TECHNOLOGIES |
| 描述： | 75 WATT DUAL OUTPUT QUARTER BRICK DC/DC CONVERTER |
| 文件： | 总5页 (文件大小：658K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Corporate: www.cdtechno.com
Product: www.cdpowerelectronics.com
VSX75MD35
75 Watt Dual Output Quarter Brick DC/DC Converter
ꢀ 3.3V & 5.0V Dual Output
ꢀ 2.3" x 1.5" x 0.5"
ꢀ UL/CUL 1950, EN60 950
ꢀ 36-75 Vdc Input Models
ꢀ 90% Efficiency
ꢀ Continuous Short Circuit
Protection
ꢀ Low Output Noise
ꢀ Non-latching Protection:
Input Undervoltage
Input Overvoltage
Output Overvoltage
Overtemperature
ꢀ Input Filtering
VSX75
ꢀ Remote On/Off, Input Side
ꢀ Output Voltage Trim, +/-10%
ꢀ Fixed Frequency Operation
ꢀ -40C° to +100C° Baseplate Temp.
ꢀ Output Current Limit, Self-Start
ꢀ 1,500 Vdc Isolation, Input to Output
VSX75-U
ꢀ Output Voltage Tracking at Turn-on
and Turn-off
ꢀ No Minimum Load Current
APPLICATIONS
The VSX75 Series are 75 Watt, compact,
high-efficiency, high-density dual
output converters with a 36-75V input
and with 3.3Vdc and 5.0Vdc outputs.
The industry quarter-pack size of
2.3" x 1.5" x 0.5" coupled with 90%
efficiency is an industry high-density
breakthrough.
efficiency minimizes the requirement for
heat-sinking and the low output ripple
minimizes the need for additional
filtering. For maximum flexibility, power
can be traded between outputs as
required. The VSX75 Series feature
virtually all of the options required by
design engineers but not at the
ꢀ Distributed Power Architectures
ꢀ Workstations
ꢀ EDP Equipment
ꢀ Telecommunications
OPTIONS
These converters utilize V Series high
density technology. This technology
has been featured in our highly efficient
competition’s typical additional price
for each option. This multitude of
features are standard on the VSX75
ꢀ Choice of Remote On/Off Logic
Configuration
ꢀ Heatsink Available for Extended
Operation
VKP and VKA Series now successfully in Series.
use worldwide. The very high 90%
ADDITIONAL INFORMATION
ꢀ See Application Note DCAN-40
at www.cdpowerelectronics.com
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN
MAX
UNIT
Input Voltage:
VSX75MD35
Vi
100
1500
1500
200
Vdc
Vdc
Vdc
Vdc
°C
I/O Isolation Voltage
I/P to case
O/P to case
Operating Case Temperature
T
-40
100
1
VSX75MD35 REV B 5/02
SPECIFICATIONS,ALLMODELS
Specifications are at TCASE = +40°C nominal input voltage unless otherwise specified.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
INPUT
Voltage Range
36
48
75
500
3
60
25
VDC
mA
A
mA
mA
Input Reflected Ripple Current
Maximum Input Current
No Load Input Current
On/Off Activated Input Current
Input Undervoltage Lockout
Turn On
Peak - Peak
Vin = 30V, Pout 75W
30
27
33
30
36
33
VDC
VDC
Turn Off
Input Overvoltage Lockout
Turn Off
76
74.5
80
78.5
84
82.5
VDC
VDC
Turn On
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Power
Output Efficiency
Set Point Voltage
V1 (3.3V)
75
Watts
%
Io1=11.5A, Io2=7.5A
89
Io1=11.5A
Io2=7.5A
3.26
4.96
3.30
5.02
3.34
5.08
VDC
VDC
V2 (5.0V)
Output Current
V1 (3.3V)
V2 (5.0V)
Output Ripple And Noise Voltage
V1 (3.3V)
Total Module Output
Power Should Not
Exceed 75 Watts
100 MHz BW
0
0
23
15
A
A
60
80
+10
mVP-P
mVP-P
%
V2 (5.30V)
Output Adjust Range
Both Outputs Will Adjust
at the Same Time and
by the Same %
-8
.
Output Temperature Drift
Line Regulation
0.02
0.10
0.05
0.20
% /°C
%
VIN = 36 to 75
I1=11.5A, I2=7.5A
Load Regulation
V1 (3.3V)
I1= 0 to 23A, I2=0A
I1=0A, I2=0 to 15A
3.0
2.5
% of Nom
% of Nom
V2 (5.0V)
Load Cross Regulation
V1 (3.3V)
I1= 0A, I2=0 to 15A
I1=0 to 23A, I2=0A
1.0
5.0
% of Nom
% of Nom
V2 (5.0V)
Output Current Limit Inception
V1 (3.3V)
24
16
27
18
30
20
A
A
V2 (5.0V)
Short Circuit Current
V1 (3.0V)
22
15
25
18
30
20
A
A
V2 (5.0V)
Output Overvoltage Set Point
(Non-latching independent
control loop)
V1 (3.3V)
V2 (5.0V)
3.8
5.85
4.0
6.1
4.3
6.35
VDC
VDC
Transient Response
Settling Time
(∆Ιο/∆t=0.2A/µsec either
output) Load change of 40%
of Ιο max at any operating
load up to Ιο max and Pο max
100
4
µsec
Peak Deviation
%
Switching Frequency
330
KHz
2
Product: www.cdpowerelectronics.com
VSX75MD35 REV B 5/02
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
ISOLATION SPECIFICATIONS
Input to Output
Input to Case
1500
1500
200
10
VDC
VDC
VDC
MΩ
Output to Case
Resistance Input to Output
Capacitance Input to Output
Leakage Current
1000
90
pF
µA, rms
VISO = 240VAC, 60Hz
FEATURE SPECIFICATIONS
Remote On/Off
(open collector equivalent,
signal referenced to –VIN terminal)
VSX75MD35 Preferred Logic (negative)
Logic Low – Module On
Logic High – Module Off
VSX75MD35-1 Optional Logic (Positive)
Logic Low – Module Off
Logic High – Module On
Von/off Low
Von/off High
Ιon/off
0
2
0.4
VDC
VDC
µA
Open Collector
200
Turn On Time
From Application of VIN
From Remote On/Off Activation
Weight
(VO within 1% of
steady state)
7
3
10
4
mSecs
mSecs
VSX75MD35, VSX75MD35-1
VSX75MD35-U, VSX75MD35-1U
TEMPERATURE
67
44
Grams
Grams
Operation /Specification
Storage
Shutdown
Shutdown (Hysteresis)
Thermal Impedance
(Case to Ambient)
Case
Case
Case
-40
-55
+105
+100
+125
+125
° C
° C
° C
+115
10
12.2
° C
Free Air
° C/Watt
3
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VSX75MD35 REV B 5/02
GRAPHS
EFFICIENCY VS. OUTPUT LOAD
LOAD REGULATION VS. LOAD DISTRIBUTION
EFFICIENCY VS. INPUT VOLTAGE
EFFICIENCY VS. BASEPLATE TEMPERATURE
OUTPUT VOLTAGE RIPPLE VS.
TEMPERATURE AT FULL LOAD
FULL LOAD EFFICIENCY VS. LOAD DISTRIBUTION
OUTPUT RIPPLE VS. LOAD
REFLECTED RIPPLE VS. INPUT VOLTAGE
4
Product: www.cdpowerelectronics.com
VSX75MD35 REV B 5/02
MECHANICAL
Dimensions are in inches (millimeters).
Tolerances: x.xx in. + 0.02 in.
x.xxx in. +0.01 in.
2.30
(58.42)
CASE OUTLINE
0.144 (3.66)
4 PLACES
.600
(15.24)
.350
7
6
5
4
.375 (9.53)
.125 (3.18)
.125 (3.18)
.375 (9.53)
1
2
3
(8.89)
.000
1.50
(38.10)
.350
(8.89)
.600
(15.24)
.750
(19.05)
0.051 (1.30)
7 PLACES
.50
(12.70)
RECOMMENDEDPCBHOLEPATTERN
(VIEW OF PCB, THROUGH UNIT)
.145
(3.68)
0.040 (1.02) 7 PLACES
.150
(3.81)
2.000
(50.80)
NOTES:
Pinout Key
1. Marked with: specific model ordered, date
code, job code.
1
2
3
4
5
6
7
+Vin
On/Off
-Vin
+3.3 Vout
O/P RTN
Trim
1.200
(30.48)
2. MATERIAL: Units are encapsulated in a low
thermal resistance molding compound which has
excellent chemical resistance and electrical
properties in high humidity environments and
over a wide operating temperature range. The
encapsulant and outer shell of the unit have
UL94V-0 ratings. Lead material is solder plated
to allow ease of solderability.
PIN1
+5.0 Vout
M3 THREAD
4 PLACES
.150
(3.81)
3. IMPORTANT: When utilizing the PEM nuts for
board mounting, it is required to follow guidelines
in application note DCAN-40 available on the
web at www.cdpowerelectronics.com.
ORDERING INFORMATION
To Find Model Number
Model Numbers
VSX75MD35 - 1
U
Device Family
VSX75MD35
VSX75MD35-U
VSX75MD35-1
VSX75MD35-1U
VSX75MD35 (Quarter Brick, 75 Watt DC/DC)
Logic: No Number = Preferred Logic (Negative);
1 = Optional Logic (Positive)
Package
No Letter = Encapsulated; U = Unencapsulated
Power Electronics Division, United States
3400 E Britannia Drive, Tucson, Arizona 85706
Tel: 800.547.2537 Fax: 520.295.4160
C&D Technologies, (NCL)
Milton Keynes MK14 5BU UK
Tel: +44 (0)1908 615232 Fax: +44 (0)1908 617545
Any data, prices, descriptions or specifications presented herein are subject to revision by C&D Technologies, Inc. without notice. While such information is believed to
be accurate as indicated herein, C&D Technologies, Inc. makes no warranty and hereby disclaims all warranties, express or implied, with regard to the accuracy or
completeness of such information. Further, because the product(s) featured herein may be used under conditions beyond its control, C&D Technologies, Inc. hereby
disclaims all warranties, either express or implied, concerning the fitness or suitability of such product(s) for any particular use or in any specific application or arising
from any course of dealing or usage of trade. The user is solely responsible for determining the suitability of the product(s) featured herein for user’s intended purpose
and in user’s specific application. C&D Technologies, Inc. does not warrant or recommend that any of its products be used in any life support or aviation or aerospace
applications.
5
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VSX75MD35 REV B 5/02
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