Approved for New Designs
100WFS series
www.martekpower.com
FEATURES
• SMT Technology
Single & Dual Output
DC/DC Converter
• 1000 VDC Input/Output Isolation
• High Efficiency
• Wide Operating Temperature Range
• Lead Frame Technology
• MTBF > 2,000,000 Hours
• Available on tape and reel
INPUT CHARACTERISTICS
DESCRIPTIONS
Unit/Comments
Min Typ Max
The 100WFS 1 watt DC-DC converters are in “gull-wing” SMT
packages. They can withstand lead temperatures up to
Input Voltage
o
5 VDC Input Models
12 VDC Input Models
Input Fuse Requirements
5 VDC Input Models
12 VDC Input Models
Reverse Polarity Input
Current
VDC
VDC
4.5
5
5.5
+230 C and are compatible with contemporary pick-and-place
10.8 12 13.2
and solder-reflow processes.
mA; Slow blow type
mA; Slow blow type
A
500
200
0.3
The series is an excellent selection for a wide variety of
applications including data communication equipment,
distributed power systems, telecommunication equipment,
and industrial robot systems.
Input Filter
Internal Capacitor
OUTPUT CHARACTERISTICS
Unit/Comments
% Output voltage at
nominal line & FL
% Equal Output
Loads
Min Typ Max
Output Voltage Set Point
1.0 3.0
Output Voltage Balance
(Duals)
Line Regulation
0.1 1.0
1.2 1.5
%; % Change /
Percentage change
in Input
GENERAL CHARACTERISTICS
voltage
Load Regulation
Ripple/Noise
% Output voltage
measured from FL
to 20% load
See Model
Selection Chart
Min Typ Max Unit/Comments
Switching Frequency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
MTBF (MIL-HBK-217F)
50 100 140
1000
kHz
VDC, 1 min.
mV p-p, Nom.Line
@FL, 20MHz B.W.,
using 1 μf bypass
capacitor
mV p-p, Over Line,
Load & Temp., 20
MHz B.W.,
60 120
1000
Mohm, 500VDC
40 100 pF, 100kHz, 1Volt
Thousand Hours,
2000
o
+25 C, Ground
Ripple/Noise
150
Benign
using 1 μf bypass
capacitor
Overload Protection
Short Circuit Protection
Temperature Coefficient
%Rated Output Load
120
0.5 Second;momentary
% per degree C
0.01 0.02
Martek Power reserves the right to change specifications without notice.
B-13