DV200-2800S Series
15001DSF
11314 4th Avenue
West, Suite 206
Everett, WA 98204
http://www.vpt-inc.com
Sales Information:
Phone: (425) 353-3010
Fax: (425) 353-4030
E-mail: vptsales@vpt-inc.com
1
HIGH RELIABILITY
DC-DC CONVERTERS
DESCRIPTION
The DV200 series of high reliability, isolated DC-DC
converters is operable over a wide (-55 C to +100
C) temperature range with no power derating.
Unique to the DV200 series is a magnetic feedback
circuit that is radiation immune. Operating at a
nominal fixed frequency of 500 kHz, these regulated,
isolated units utilize well-controlled undervoltage
lockout circuitry to eliminate slow start-up problems.
The current sharing function allows a maximum of
five units to be connected in parallel to boost the
total output power to 5 times. The output voltage is
trimmable up to +10% or down 20%.
These converters are designed and manufactured in
a facility qualified to ISO9001 and certified to MIL-
PRF-38534 and MIL-STD-883.
This product may incorporate one or more of the
following U.S. patents:
5,784,266
5,790,389
5,963,438
5,999,433
6,005,780
6,084,792
6,118,673
FEATURES
High
Reliability
Parallel Up to 5 Units With Current Sharing
Output Voltage Trim Up +10% or Down 20%
Wide Input Voltage Range: 16 to 50 Volts
Up to 200 Watts Output Power
Radiation Immune Magnetic Feedback Circuit
NO Use of Optoisolators
Undervoltage
Lockout
Short Circuit Protection
Current Limit Protection
Input Transient Voltage: 55 Volts for 1 second
High
Power
Density:
80 W/in
3
Custom Versions Available
Additional Environmental Screening Available
Meets MIL-STD-461C and MIL-STD-461D EMC
Requirements When Used With a DVMN28 EMI
Filter
Figure 1 DV200-2800S DC-DC Converter
(Not To Scale)
DV200-2800S Series
15001DSF
2
SPECIFICATIONS
(T
CASE
= -55C to +100C, V
IN
= +28V 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
50 V
DC
Junction Temperature Rise to Case
+25C
Input Voltage (Transient, 1 second)
4
55 Volts
Storage Temperature
-65C to +135C
Output Power
1,3
200 Watts
Lead Solder Temperature (10 seconds)
270C
Power Dissipation (Full Load, T
CASE
= +100C)
44 Watts
Weight (Maximum)
115 Grams
DV200-283R3S DV200-2805S
Parameter Conditions
Min Typ Max Min Typ Max
Units
STATIC
Continuous
16 28 50 16 28 50 V
INPUT
Voltage
5
Transient, 1 sec
4
- - 55 - - 55 V
Inhibited
- 6 10 - 6 10 mA
Current
No
Load
- 20 50 - 20 50
mA
Ripple Current
Full Load, 20Hz to 10MHz
-
-
100
-
-
100
mA
p-p
Inhibit Pin Input
4
To Disable Output
0
-
1.5
0
-
1.5
V
Inhibit Pin Open Circuit Voltage
4
8 9.5 11 8 9.5 11 V
UVLO Turn On
13.5
15
15.8
13.5
15
15.8
V
UVLO Turn Off
4
10.0 12.0 14.0 10.5 12.0 14.0 V
V
OUT
T
CASE
=
25C
3.267 3.30 3.333 4.95 5.00 5.05 V
OUTPUT
Voltage
V
OUT
T
CASE
=
-55C
to
+100C 3.25 3.30 3.35 4.925 5.00 5.075 V
V
IN
= 18V to 50V
0
-
100
0
-
150
W
Power
3
V
IN
= 16V to 18V
0
-
60
0
-
90
W
V
IN
= 18V to 50V
0
-
30
0
-
30
A
Current
3
I
OUT
V
IN
= 16V to 18V
0
-
18
0
-
18
A
V
OUT
Full Load, 10kHz to 10MHz
-
50
150
-
50
150
mV
p-p
Ripple Voltage
V
OUT
Full Load, 10kHz to 2MHz
-
10
50
-
10
50
mV
p-p
Line Regulation
V
OUT
V
IN
= 18V to 50V
-
10
80
-
10
80
mV
Load Regulation
V
OUT
No Load to Full Load
-
10
100
-
10
100
mV
Voltage Trim
V
OUT
Full
Load
-20 0 10 -20 - 10 %
EFFICIENCY
Full
Load
74 80 - 79 83 - %
Overload
4
- 45 - - 45 - W
LOAD FAULT POWER DISSIPATION
Short Circuit
4
- 45 - - 45 - W
CAPACITIVE LOAD
4
- - 2000 - - 2000
F
SWITCHING
FREQUENCY
450 500 550 450 500 550 kHz
SYNC FREQUENCY RANGE
V
H
V
L
= 5V
Duty Cycle = 20% - 80%
450 500 550 450 500 550 kHz
ISOLATION 500
V
DC
100 - - 100 - - M
MTBF (MIL-HDBK-217F)
GB @ T
C
=
55C
- 955 - - 955 - kHrs
DYNAMIC
Load Step Output Transient
V
OUT
- 200
450 - 300
550
mV
PK
Load Step Recovery
2
Half Load to Full Load
- 200
650 - 200
600
Sec
Line Step Output Transient
4
V
OUT
- 150
300 - 150
300
mV
PK
Line Step Recovery
2, 4
V
IN
= 18V to 40V
- 50
150 - 50
150
Sec
Turn On Delay
V
OUT
- 20 30 - 20 30
mSec
Turn On Overshoot
V
IN
= 0V to 28V
- 0 30 - 0 50
mV
PK
Notes: 1. Dependant on output voltage. 2. Time for output voltage to settle within 1% of its nominal value. 3. Derate linearly to 0 at 110C.
4. Verified by qualification testing.
5. 100% output power available for V
IN
= 18V to 50V and only 60% output power available for V
IN
= 16V to 18V.
DV200-2800S Series
15001DSF
3
SPECIFICATIONS
(T
CASE
= -55C to +100C, V
IN
= +28V 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
50 V
DC
Junction Temperature Rise to Case
+25C
Input Voltage (Transient, 1 second)
4
55 Volts
Storage Temperature
-65C to +135C
Output Power
1,3
200 Watts
Lead Solder Temperature (10 seconds)
270C
Power Dissipation (Full Load, T
CASE
= +100C)
44 Watts
Weight (Maximum)
115 Grams
DV200-2812S DV200-2815S
Parameter Conditions
Min Typ Max Min Typ Max
Units
STATIC
Continuous
16 28 50 16 28 50 V
INPUT
Voltage
5
Transient, 1 sec
4
- - 55 - - 55 V
Inhibited
- 6 10 - 6 10 mA
Current
No
Load
- 20 50 - 20 50
mA
Ripple Current
Full Load, 20Hz to 10MHz
-
-
150
-
-
150
mA
p-p
Inhibit Pin Input
4
To Disable Output
0
-
1.5
0
-
1.5
V
Inhibit Pin Open Circuit Voltage
4
8 9.5 11 8 9.5 11 V
UVLO Turn On
13.5
15
15.8
13.5
15
15.8
V
UVLO Turn Off
4
10.0 12.0 14.0 10.0 12.0 14.0 V
V
OUT
T
CASE
=
25C
11.88 12.0 12.12 14.85 15.0 15.15 V
OUTPUT
Voltage
V
OUT
T
CASE
= -55C to +100C
11.82
12.0
12.18
14.775
15.0
15.225
V
V
IN
= 18V to 50V
0
-
175
0
-
200
W
Power
3
V
IN
= 16V to 18V
0
-
105
0
-
120
W
V
IN
= 18V to 50V
0
-
14.6
0
-
13.3
A
Current
3
I
OUT
V
IN
= 16V to 18V
0
-
8.76
0
-
7.98
A
V
OUT
Full Load, 10kHz to 10MHz
-
100
200
-
100
200
mV
p-p
Ripple Voltage
V
OUT
Full Load, 10kHz to 2MHz
-
5
30
-
5
30
mV
p-p
Line Regulation
V
OUT
V
IN
= 18V to 50V
-
10
100
-
10
100
mV
Load Regulation
V
OUT
No Load to Full Load
-
10
120
-
10
120
mV
Voltage Trim
V
OUT
Full
Load
-20 - 10 -20 - 10 %
EFFICIENCY
Full
Load
82 84 - 82 86 - %
Overload
4
- 45 - - 45 - W
LOAD FAULT POWER DISSIPATION
Short Circuit
4
- 45 - - 45 - W
CAPACITIVE LOAD
4
- - 1000 - - 1000
F
SWITCHING
FREQUENCY
450 500 550 450 500 550 kHz
SYNC FREQUENCY RANGE
V
H
V
L
= 5V
Duty Cycle = 20% - 80%
450 500 550 450 500 550 kHz
ISOLATION 500
V
DC
100 - - 100 - - M
MTBF (MIL-HDBK-217F)
GB @ T
C
=
55C
- 955 - - 955 - kHrs
DYNAMIC
Load Step Output Transient
V
OUT
- 550
1000 - 1000
1350
mV
PK
Load Step Recovery
2
Half Load to Full Load
- 200
400 - 200
500
Sec
Line Step Output Transient
4
V
OUT
- 1000
1200 - 1000
1200
mV
PK
Line Step Recovery
2, 4
V
IN
= 18V to 40V
- 50
200 - 50
200
Sec
Turn On Delay
V
OUT
- 20 30 - 20 30
mSec
Turn On Overshoot
V
IN
= 0V to 28V
- - 50 - - 50
mV
PK
Notes: 1. Dependant on output voltage. 2. Time for output voltage to settle within 1% of its nominal value. 3. Derate linearly to 0 at 110C.
4. Verified by qualification testing.
5. 100% output power available for V
IN
= 18V to 50V and only 60% output power available for V
IN
= 16V to 18V.
DV200-2800S Series
15001DSF
4
BLOCK DIAGRAM
UNDER
VOLTAGE
SHUTDOWN
PRIMARY
HOUSEKEEPING
SUPPLY
PWM
CONTROL
VOLTAGE AND
CURRENT
AMPLIFIERS
SECONDARY
HOUSEKEEPING
SUPPLY
PIN 5
28V IN
PIN 1
IN COM
Q1
+V OUT
PIN 6
PIN 10
OUT COM
FEEDBACK
MAGNETIC
INH / SYNC IN
PIN 4
SYNC OUT
PIN 2
TRIM
PIN 8
+S
PIN 7
-S
PIN 9
SHARE
PIN 3
Figure 2
CONNECTION DIAGRAM
1
IN COM
5
28V IN
6
+V OUT
10
OUT COM
LOAD
+
-
28 Vdc
-S
9
+S
7
INH/SYNC IN
4
2200PF
Figure 3
DV200-2800S Series
15001DSF
5
INHIBIT DRIVE CONNECTION DIAGRAMS
1
IN COM
4
INH/SYNCIN
25K
OPTOISOLATOR
+
-
10V
Figure 4 Isolated Inhibit Drive and Internal Equivalent Circuit
PARALLEL CONNECTION DIAGRAM
1
IN COM
5
28V IN
6
+V OUT
10
OUT COM
LO AD
+
-
28 Vdc
-S
9
+S
7
INH / SYNC IN
4
DV200-2800S DC-DC CONVERTER
CASE
1
IN COM
5
28V IN
6
+V OUT
10
OUT COM
-S
9
+S
7
INH / SYNC IN
4
DV200-2800S DC-DC CONVERTER
CASE
*
*
SHARE
3
SHARE
3
Figure 5 Parallel Connection with Current Sharing
(*Shown with optional "OR" ing diode)
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