LOGITEK
A Subsidiary of NAI, Inc
.
28 V
IN
DC/DC CONVERTERS - 50 Watt Single Output
- 50 Watt Dual Output
Features
•
•
•
•
•
•
•
•
•
•
High Power Density, Low Profile Packaging
Full Output Power at +100°C Baseplate Temperature
Switching Power Supply – Low Noise
ESS Screening (Burn-In) and Temperature Cycling
Designed and Manufactured Per NAVMAT Guidelines
Full-Mil and COTS-Mil-Type Versions (form, fit, and function identical)
EMI Filtering Designed to MIL-STD-461C
Remote Error Sensing
Remote Digital (TTL) Turn On/Off
Transient Protection per MIL-STD-704D
PS-55J01 SERIES
Contents
Specifications ............................................ 1
Electrical................................................. 1
Physical/Environmental .......................... 2
Output Power (Table 1) ............................ 2
Pinout Designations (J1) (Table 2)........... 2
Connector Specifications ........................... 2
Output Wiring Diagram............................. 3
Mechanical Layout.................................... 3
Mechanical Dimensions (Table 3) ............ 4
Ordering Information................................ 4
Description
Logitek's PS-55 Series is a family of high power density, low pro-
file, 28 V
IN
DC/DC switch mode converters. This family extends
from 25 Watt through 150 Watt in single, dual, and triple configura-
tions. The PS-55 Series is ideally suited for airborne, shipboard,
ground mobile and C
3
I applications. All Logitek DC/DC Converters
and Power Supplies are designed and qualified to the most stringent
performance and environmental requirements. Full-Mil units receive
ESS Screening, including burn-in and temperature cycling.
Electrical Specifications
DC Input Characteristics:
Input
EMI/RFI Characteristics
Input Transient Protection
16 to 36 VDC; 40 VDC maximum with no damage (50 VDC maximum – Optional)
Designed to meet the requirements of MIL-STD-461C
Per MIL-STD-704D and MIL-STD-461C, CS06
DC Output Characteristics:
Output Power
Output Voltage
Efficiency
Line Regulation
Load Regulation
PARD (Noise and Ripple)
Load Transient Recovery
Load Transient Under/Overshoot
50 Watts, See Table 1
5 VDC to 28 VDC, See Table 1
72% minimum
Within 0.1% for low to high line changes at constant load
0.1% for 0 to 100% of rated load at nominal input line
50 mV p-p typical; 100 mV p-p maximum for 5V outputs (20 MHz bandwidth); 1% of the
output voltage, with a maximum of 200 mV p-p, for all other outputs (20 MHz bandwidth)
Output voltage returns to regulation limits within 0.5 msec (typical), half to full load
0.35 Volt maximum from nominal output voltage set point for 3.3 V and 5.0 V outputs, all
other outputs are 5%.
LOGITEK,
A Subsidiary of NAI, Inc.
170 Wilbur Place, Bohemia, NY 11716
631.567.1100 / 631.567.1823 (Fax)
www.naii.com e-mail: sales@naii.com
55J01A001
Rev. B 1.0
Page 1 of 4
DC Output Characteristics (Continued):
Short Circuit Protection
Current Limiting
OverVoltage Protection
Remote Error Sensing
Remote Turn On/Off
Isolation Voltage
Insulation Resistance
Under any short circuit condition, output voltage drops to less than 1 volt, with automatic recovery
120%
±10%
typical
Automatic electronic shutdown if voltage exceeds 125%
±10%
Compensates for up to 0.5-volt drop on output leads
TTL logic 1 inhibits (turns off) the output; a floating input acts as a logic 0 (output on)
500 VDC input to output and input to case; 100 VDC output to case.
50 Megohm at 50 VDC
Physical/Environmental Specifications
Temperature Range
Temperature Coefficient
Shock
Acceleration
Vibration
Reliability
Humidity
Altitude
Dimensions
Salt Fog
Sand/Dust/Fungus
Enclosure
Finish
Interface
Weight
Operating: -55°C to +100°C at 100% load (Temperature measured at baseplate; conduction
via baseplate only); Storage: -55°C to +125°C
0.01% per
°C
30 G’s each axis, per MIL-STD-810C, Method 516.2, Procedure 1. Hammer shock per
MIL-S-901C
6 G’s per MIL-STD-810C, Method 513.2, Procedure 11, and 14 G’s per Procedure 1
Per MIL-STD-810C, Method 514.2, Procedure 1A
(MTBF) 200,000 hours, ground benign, at 50°C baseplate
95% at 71°C per MIL-STD-810C, Method 507.1 (non-condensing)
40,000 feet per MIL-STD-810C, Method 504.1, Category 6 Equipment
See Table 3
Per MIL-STD-810C, Method 509.1
Per MIL-STD-810C
Aluminum housing to aluminum baseplate
Cover: Black anodized; Baseplate: chemfilm
Connections via a D-subminiature connector per Page 2 of this Data Sheet
Single Output = 9 ounces; Dual Output = 10 ounces
Table 1. Output Power
Single
Volts Amps
5.0
6.5
12.0
15.0
24.0
28.0
10.0
7.6
4.2
3.4
2.1
1.8
Table 2. Pinout Designations (J1)
Pin
1
2
3
4
5
6
7
8
Dual
Volts Amps
±5.0
±12.0
±15.0
5.0
2.1
1.7
Single
+INPUT
+INPUT
-TTL (ON/OFF)
+TTL (ON/OFF)
Dual
-INPUT
N/C
-TTL (ON/OFF)
+TTL (ON/OFF)
Pin
9
10
11
12
13
14
15
Single
-INPUT
-INPUT
CHAS GND
+SENSE
-SENSE
+OUTPUT
-OUTPUT
Dual
+INPUT
N/C
CHAS GND
-SENSE 1
-OUTPUT 1
-SENSE 2
-OUTPUT 2
+OUTPUT
+OUTPUT
-OUTPUT
-OUTPUT
+SENSE 1
+OUTPUT 1
+SENSE 2
+OUTPUT 2
Connector Specifications
Connector
Unit Connector
Mating Connector
Part Number - Series
DAMME15PR
DAMM15S
LOGITEK,
A Subsidiary of NAI, Inc.
170 Wilbur Place, Bohemia, NY 11716
631.567.1100 / 631.567.1823 (Fax)
www.naii.com e-mail: sales@naii.com
55J01A001
Rev. B 1.0
Page 2 of 4
Output – Wiring Diagram
Single Output
(HIGH)
DC INPUT
(RETURN)
ON/OFF CONTROL
-INPUT
+TTL
-TTL
+INPUT
+OUT
+SENSE
-SENSE
-OUT
LOAD
CHASSIS GROUND
Dual Output
+OUT 1
+SENSE 1
-SENSE 1
LOAD
(HIGH)
DC INPUT
(RETURN)
ON/OFF CONTROL
+INPUT
-OUT 1
+OUT 2
-INPUT
+TTL
-TTL
+SENSE 2
-SENSE 2
-OUT 2
LOAD
CHASSIS GROUND
Mechanical Layout
4 – 40 UNC-2B x 0.25 DEEP
TYPICAL 4 PLACES
PIN 1
L
B
J1
F
G
H
E
W
C
A
D
TOP
Mechanical Dimensions – See Table 3 (following)
BOTTOM
LOGITEK,
A Subsidiary of NAI, Inc.
170 Wilbur Place, Bohemia, NY 11716
631.567.1100 / 631.567.1823 (Fax)
www.naii.com e-mail: sales@naii.com
55J01A001
Rev. B 1.0
Page 3 of 4
Table 3. Mechanical Dimensions
Case*
Units
W
L
A
B
F
1.25
31.8
1.50
38.1
1
Inches
2.5
3.5
2.100
3.100
1
mm
63.5
88.9
53.34
78.74
2
Inches
3.00
3.85
2.600
3.450
2
mm
76.20
97.79
66.04
87.63
*Use Case 1 for Single Output Converter; Use Case 2 for Dual Output Converter
Notes
Dimensions C & D: 0.2” (5.1 mm)
Dimension E: 0.23” (5.84 mm)
Dimension G: 0.455” (11.56 mm)
Dimension H: 0.8” (20.3 mm)
Ordering Information for PS-55J01 Series
(50 Watt DC/DC Converter)
55
J D1 - 005 H 0 - XX
CODE
(Used only for “Specials”)
OPTIONS:
0 = Standard Testing (Includes ESS Temperature Cycling per NAVMAT)
1 = Standard Testing plus ESS Vibration Testing (per NAVMAT)
RELIABILITY:
H = Full-Mil: -55°C to +100°C, Hi-Rel Mil Grade Components, Designed to meet the require-
ments of MIL-STD-461C, Designed to meet the requirements of MIL-STD-810C, Designed
per NAVMAT Guidelines.
M = COTS-Mil-Type: -55°C to +100°C, Mil-Type Components, Designed to meet the
Requirements of MIL-STD-461C, Designed to meet the requirements of MIL-STD-810C,
Designed per NAVMAT Guidelines.
OUTPUT VOLTAGE(s):
Single Output
005 = 5 V
006 = 6.5 V
012 = 12V
015 = 15 V
024 = 14 V
028 = 28 V
OUTPUTS:
S1 = Single
D1 = Dual
WATTAGE:
J = 50 W
SERIES:
55 = DC/DC (Low Voltage)
Dual Output
005 =
±5
V
012 =
±12
V
015 =
±15
V
000 = Special Voltage –
See Code Table Below
Example:
55JS1-005H1 = DC /DC (Low Voltage); 50 Watt; Single Output; +5 V; Full-Mil-Type; ESS Vibration Testing
55JD1-012M0 = DC /DC (Low Voltage); 50 Watt; Dual Output;
±
12 V; COTS-Mil-Type; Standard Testing
Consult Factory for Additional Options and/or Special Units
Code Table for “Specials”
Code Table for Special Voltages (Where Applicable)
LOGITEK,
A Subsidiary of NAI, Inc.
170 Wilbur Place, Bohemia, NY 11716
631.567.1100 / 631.567.1823 (Fax)
www.naii.com e-mail: sales@naii.com
55J01A001
Rev. B 1.0
Page 4 of 4
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