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300FR series
Single & Dual Output
DC/DC Converter
FEATURES
• Up to 64 % Efficiency
• Single and Dual Output, 3 watt converter
• Available in 5, 12, 24 and 48 VDC Inputs
• Industry Standard Pinout
• Short Circuit Protection
INPUT CHARACTERISTICS
DESCRIPTIONS
Unit/Comments
Min Typ Max
The 300FR series 3 watt power modules are specially
designed to provide low output ripple and tight regulation in
a low-profile 24 pin DIP package. The series consists of 20
models with input voltages of 5V, 12V, 24V and 48V, and offers
regulated output voltages of 5V, 12V, 14V, 12V and 15.
Input Voltage
5 VDC Input Models
12 VDC Input Models
24 VDC Input Models
48 VDC Input Models
Input Fuse Requirements
5 VDC Input Models
12 VDC Input Models
24 VDC Input Models
48 VDC Input Models
VDC
VDC
VDC
VDC
4.5
5
5.5
10.8 12 1±.2
21.ꢀ 24 2ꢀ.4
4±.2 48 52.8
o
o
The -25 C to +71 C operating temperature range makes it ideal
for data communication equipment, mobile battery driven
equipment, distributed power systems, telecommunication
equipment, mixed analog/digital subsystems, automatic test
instrumentation and industrial robot systems.
mA;Slow blow type
mA;Slow blow type
mA;Slow blow type
mA;Slow blow type
Amp
mW
Pi Filter
2000
1000
500
200
Reverse Polarity Input Current
Short Circuit Input Power
Input Filter
0.5
2500
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 ±4.0
Output Voltage Balance
(Duals)
Line Regulation
±1.0 ±±.0
±0.2 ±0.5
GENERAL CHARACTERISTICS
Load Regulation
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.,
±0.2 ±0.5
45 50
Min Typ Max Unit/Comments
Switching Frequency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
MTBF (MIL-HBK-217F)
40 80
500
kHz
VDC, 1 minute
Mohm, 500VDC
1000
100 150 pF, 100kHz, 1Volt
Thousand Hours,
ꢀ00
o
+25 C, Ground
Benign
Ripple/Noise
75
using 1 μf bypass
capacitor
%Rated Output Load
Continuous,
Overload Protection
Short Circuit Protection
120
Automatic Recovery
% deviation of Vout
for a 50% load
Transient Response
Deviation
±ꢀ
change
Transient Recovery Time
μS for 50% load
change
% per degree C
50
Temperature Coefficient
±0.01 ±0.02
>> B-48