100FR series
www.martekpower.com
FEATURES
Single & Dual Output
DC/DC Converter
• 24 Pin DIP Package
3
• 7.5W/In Power Density
• Available in 5, 12 VDC Inputs
• Continuous Short Circuit Protection
• Internal LC Filter
• Low Cost
INPUT CHARACTERISTICS
DESCRIPTIONS
Unit/Comments
Min Typ Max
The 100FR series is a family of cost effective, yet high
performance 1 Watt DC/DC converters. These converters
combine miniature packaging in a 24-pin DIP compatible
case with high performance features such as 500 VDC
input/output isolation voltage, continuous short circuit
protection with automatic restart and tight line/load regulation.
Input Voltage
5 VDC Input Models
12 VDC Input Models
Input Fuse Requirements
5 VDC Input Models
12 VDC Input Models
Short Circuit Input Power
Input Filter
VDC
VDC
4.5
5
5.5
10.8 12 1±.2
mA;Slow blow type
mA;Slow blow type
mW
500
250
1500
Units operate from power busses of 5 and 12 and provide
output voltage levels of 5, 12, 15 , 12 and 15 VDC.
LC Filter
OUTPUT CHARACTERISTICS
Unit/Comments
% Output voltage at
nominal line & FL
% Equal Output
Loads
% Output voltage
measured from
min. input line to
maximum
Min Typ Max
Output Voltage Set Point
±2.0 ±5.0
Output Voltage Balance
(Duals)
Line Regulation
±1.0 ±±.0
±0.1 ±0.5
GENERAL CHARACTERISTICS
Load Regulation (5 Vout)
Ripple/Noise
% Output voltage
measured from FL
to 10% load
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.,
±0.1 ±0.4
40 50
Min Typ Max Unit/Comments
Switching Frequency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
MTBF (MIL-HBK-217F)
40 100
500
kHz
VDC, 1 minute
Mohm, 500VDC
1000
65 100 pF, 100kHz, 1Volt
Thousand Hours,
900
o
+25 C, Ground
Benign
Ripple/Noise
75
using 1 μf bypass
capacitor
%Rated Output Load
Momentary
% per degree C
Overload Protection
Short Circuit Protection
Temperature Coefficient
120
±0.01 ±0.02
Martek Power reserves the right to change specifications without notice.
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