LF300RW Series
Wide Input, 3W SMT
Single & Dual Output
DC/DC Converters
Electrical Specifications
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Input
Parameter
Key Features:
• 3W Output Power
Conditions
12 VDC Input
24 VDC Input
Min.
4.5
8.0
Typ.
6.0
12.0
24.0
Max.
8.0
16.0
32.0
0.5
Units
• UL Approved (File E245422)
• Wide 2:1 Inputs
Input Start Voltage
VDC
48 VDC Input 16.0
Reverse Polarity Input Current
Short Circuit Input Power
Input Filter
A
mW
• Miniature SMT Case
• Tight Line/Load Regulation
• 1,500 VDC Isolation
• -40ºC to +70ºC Operation
• 21 Standard Models
• 1.0 MH MTBF Minimum
• Industry Standard Pin-Out
1,500
π (Pi) Filter
Output
Parameter
Output Voltage Accuracy
Output Voltage Accuracy
Line Regulation
Conditions
Min.
Typ.
0.5
0.5
0.1
0.3
50
Max.
1.0
1.0
0.3
1.0
75
Units
%
%
%
%
mV P - P
mV P - P
mV rms
%
Dual Output, Balanced Load
For Vin = Min to Max
Iout = 20% to 100%
Load Regulation
Ripple & Noise (20 MHz) (Note 1)
Ripple & Noise (20 MHz)
Ripple & Noise (20 MHz)
Output Power Protection
Transient Response Time (Note 2)
Transient Response Deviation
Temperature Coefficient
Output Short Circuit
General
100
10
120
250
2.0
0.01
500
6.0
0.02
μS
%
%/ºC
25% Load Step Change
Continuous
Parameter
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Switching Frequency
Environmental
Conditions
60 Seconds
1,000 VDC
100 kHz, 1V
Min.
1,500
1,000
Typ.
Max.
Units
VDC
MΩ
pF
RoHS Compliant
65
300
100
kHz
Parameter
Conditions
Min.
Typ.
+25
+25
Max.
+71
+90
Units
ºC
ºC
Operating Temperature Range
Operating Temperature Range
Storage Temperature Range
Cooling
Ambient
Case
-40
-40
-40
+125
ºC
Free Air Convection
RH, Non-condensing
Humidity
95
%
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
Physical
Case Size
Case Material
Weight
1.27 x 0.74 x 0.40 Inches (32.3 x 28.8 x 10.2 mm)
Non-Conductive Black Plastic (UL94-V0)
0.35 Oz (10g)
Reliability Specifications
Parameter
MTBF
Safety Standards
Safety Approvals
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Conditions
MIL HDBK 217F, 25ºC, Gnd Benign
Min.
1.0
Typ.
Max.
Units
MHours
UL 1950, EN 60950, IEC 60950
UL, cUL; File No. E245422
Absolute Maximum Ratings
Parameter
Conditions
12 VDC Input
24 VDC Input
48 VDC Input
1.5 mm From Case For 10 Sec.
All Models
Min.
-0.7
-0.7
-0.7
Typ.
Max.
25.0
50.0
100.0
260
Units
Input Voltage Surge (1 Sec)
VDC
Lead Temperature
Internal Power Dissipation
ºC
mW
2500
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.