®
150W – 200W DC-DC CONVERTERS
MODEL:
SV28-5-150/175/200
DATA SHEET
28VDC INPUT (18-36 VDC)
5 VDC @
30A OUTPUT,
35A OUTPUT , or
40A OUTPUT
Designed for Vehicle, Airborne
and other rugged environment
applications
FEATURES
•
Industry Standard Half-
brick Package
•
High Efficiency
•
Constant Frequency
•
Clamp Over-Voltage
Protection
•
Remote Sense
•
Trim Range: -40 to +10%
•
Encapsulated
•
High Power Density:
up to 54 W/cu.in.
•
Low Noise
•
-40 to +100°C Operation
(-55°C to +100°C Optional)
•
105°C Over Temperature
Protection
•
Choice of On/Off Logic
•
UL/CSA/TUV & CE Compliant
•
Threaded Mounting Holes
MADE IN USA
MODEL SELECTION
Model
Number
SV28-5-200-1(T)*
SV28-5-175-1(T)*
SV28-5-150-1(T)*
Input Output Output
Voltage Voltage Current
(Vdc)
18-36
18-36
18-36
(Vdc)
5
5
5
(A)
40
35
30
*An Optional Operating Temperature Rating
of -55°C to +100°C
is available. Simply add
the suffix “T” to the end of the Model Number.
For Example: SV28-5-200-1T
DESCRIPTION
The SuperVerter® series modules are high-density DC-DC converters designed for use in
military and industrial applications such as on board vehicle and avionics electronic equipment.
These are high power 28V input, 5V output, half brick modules that use insulated metal
substrates, planar transformers, surface mount construction and thermally conductive potting to
produce up to 200W of low noise, 5V output power.
Astrodyne Corporation
PH: 800-823-8082
FX: 508-339-0375
Email: sales@astrodyne.com
www.astrodyne.com
www.roassoc.com
SUPERVERTER
DC-DC Converters
®
SV28-5-150/175/200
ABSOLUTE MAXIMUM RATINGS
Exceeding absolute maximum ratings may cause permanent damage or reduce reliability.
PARAMETER
Input Voltage (+In to –In)
Transient Input Voltage (+In to –In)
Input/ Case Isolation
Output/ Case Isolation
Input/ Output Isolation
Storage Temperature
*Operating Temperature
Soldering Temperature (Wave Solder)
Soldering Temperature (Hand Solder)
MIN
MAX
40
50
1500
500
1500
+110
+100
260
390
UNITS
Vdc
Vdc
Vdc
Vdc
Vdc
°C
°C
°C
°C
CONDITIONS
Continuous
100 msec. max.
-40
-40
Baseplate
< 5 sec.
< 7 sec.
*An Optional Operating Temperature Rating of -55°C to +100°C is available. See Model Selection Chart on Page 1
for ordering instructions.
ELECTRICAL SPECIFICATIONS
Electrical specifications apply over the entire range of input voltage, output current, and temperature unless indicated.
INPUT PARAMETERS
Input Voltage
Maximum Input Current
SV28-5-150
SV28-5-175
SV28-5-200
Inrush Transient
Input Reflected Ripple Current
Input Ripple Rejection
OUTPUT PARAMETERS
Voltage Set Point
Load Regulation
Line Regulation
Voltage Drift w/Temperature
Total Regulation
Ripple
External Load Capacitance
MIN
18
TYP
28
MAX
36
11.0
13.0
1
UNITS
Vdc
A
A
A
2
A sec
mAp-p
dB
UNITS
Vdc
%
%
mV
%
mV p-p
µF
CONDITIONS
All models except -175 model
Full load (See Input Characteristic)
5
60
MIN
4.92
TYP
5.00
0.05
0.01
15
50
0
MAX
5.08
0.2
0.1
50
1.5
150
10,000
5Hz to 20MHz, 12µH source impedance
@120 Hz
CONDITIONS
28 Vin, 25°C, full load
0.5 A to full load
Over Vin range
-40 to +100 °C
5 Hz to 20 MHz, ripple may exceed
spec below minimum load
Electrolytic Capacitor
Astrodyne Corporation
375 Forbes Blvd.
www.astrodyne.com
Tel: (800) 823-8082
Fax: (508) 339-0375
sales@astrodyne.com
SUPERVERTER
DC-DC Converters
®
SV28-5-150/175/200
ELECTRICAL SPECIFICATIONS (continued)
Rated Output Current
SV28-5-150
SV28-5-175
SV28-5-200
Current Limit Inception
SV28-5-150
SV28-5-175
SV28-5-200
Short Circuit Current
Switching Frequency
Transient Response Peak
Deviation (0.1A/µsec slew rate)
Transient Response Settling Time
(0.1 A/µsec slew rate)
Efficiency
SV28-5-150
SV28-5-175
SV28-5-200
83
81
80
370
3
300
0.5
0.5
0.5
30
35
40
A
At Iout < Iout(min), the output ripple
may exceed the specification. All other
aspects of the unit will function properly
at no load.
Vout = 90% Vout nominal
34.5
40
46
39.5
44
50
170
A
% F.L.
kHz
% Vout
µsec
Vout = 250 mV
Load change from 50% to 75% or 50%
to 25% full load
Vin = 28 V, Tcase = 25 °C, Vout within
1% Vout nominal
Vin = 28 V, full load, Tcase = 70 °C
83.5
82.5
82
%
%
%
FEATURE PARAMETERS
Trim Range
Remote Sense Compensation
Over Voltage Clamp (Non-
Shutdown, Auto. Recovery)
Over Temperature Shut-down
Turn-On Time
MIN
60
5.7
TYP
MAX
110
0.5
7.0
UNITS
%Vout
Vdc
Vdc
°C
msec
CONDITIONS
+105
20
35
100W & 150W models only
80% load, Vout within 1% of steady
state
Logic On/Off *
Logic Low Von/off
0
1.2
V
@ Ion/off = 1mA
Ion/off
1.0
mA
@ Von/off = 0V
Logic High: Von/off
15
V
@ Ion/off = 1mA
Ion/off
50
µA
@ Von/off = 15V
* Negative logic on/off is standard, positive logic is optional (delete the “-1” suffix from model number for positive
logic). With negative logic, logic low turns module on, logic high turns it off. The reverse is true for positive logic.
Astrodyne Corporation
375 Forbes Blvd.
www.astrodyne.com
Tel: (800) 823-8082
Fax: (508) 339-0375
sales@astrodyne.com
®
SV28-5-150/175/200
DC-DC Converter
ELECTRICAL SPECIFICATIONS (continued)
ISOLATION PARAMETERS
Input-to-Output Capacitance
Input-to-Output Resistance
MIN
10
TYP
2000
MAX
UNITS
pF
M Ohms
CONDITIONS
MECHANICAL SPECIFICATIONS
MECHANICAL PARAMETERS
Weight
Size
Thermal Resistance, Case-to-
Ambient
MIN
TYP
MAX
UNITS
g (oz.)
Inches
°C/W
CONDITIONS
See Outline Drawing
Tcase = 100 °C
118 (4.2)
0.5 x 2.4 x 2.28
6.6
TRIM CIRCUIT CONFIGURATIONS
+Out
+Out
OUTLINE DRAWING
DIMENSIONS:
INCHES
[MILLIMETERS]
+Sense
Trim
Load
+Sense
Trim
2.28
[57.9]
R
trim-dn
R
trim-up
Load
0.19
[4.8]
1.90
[48.3]
0.224 Ø MAX
[5.69 Ø MAX]
MOUNTING
INSERTS
M3 x 0.5 THRU
4 PL
0.30
[7.6]
0.400
[10.16]
0.300
[7.62]
0.300
[7.62]
0.400
[10.16]
-Sense
-Sense
2.40
[61.0]
2.00
[50.8]
0.20
[5.1]
-IN
-OUT
-Out
-Out
CASE
-S
T
Trim Up
Trim Down
ON/
OFF
+S
TRIM RESISTOR CALCULATIONS
5
×
(
100
+
Δ
%
) (
100 + 2
× ∆
%
)
kohms
R
trim
−
up
=
−
1.225
× ∆
%
∆
%
+IN
+OUT
R
trim
−
down
=
100
−
2 kohms
∆
%
∆
% =
Desired Output Voltage Change (
∆
% >
0)
R
trim
−
up
=
External Resistor Value to Increase V
o
R
trim
−
down
=
External Resistor Value to Decrease V
o
Astrodyne Corporation
375 Forbes Blvd.
www.astrodyne.com
(
(
(
(
0.47
[11.9]
0.040 [1.02] Ø PIN
FUSED TIN
OVER COPPER
7 PL
0.080 [2.03] Ø PIN
FUSED TIN
OVER COPPER
2 PL
0.40
[10.2]
0.20 MIN
[5.1 MIN]
0.515 ± 0.020
[13.08 ± 0.5]
ALUMINUM HEATSINK SURFACE
TOLERANCES:
x.xx in. ± 0.02 in.
[x.x mm. ± 0.5 mm.]
x.xxx in. ± 0.010 in.
[x.xx mm. ± 0.25 mm.]
Tel: (800) 823-8082
Fax: (508) 339-0375
sales@astrodyne.com
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