LF300RU Datasheet, PDF (1/2 Pages) MicroPower Direct, LLC – Very Wide Input, 3W SMT Single & Dual Output DC/DC Converters

LF300RU _Series
Very 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
Key Features:
• 3W Output Power
• Wide 4:1 Inputs
• Miniature SMT Case
Parameter
Input Start Voltage
Reverse Polarity Input Current
Short Circuit Input Power
Conditions
24 VDC Input
48 VDC Input
Min.
4.5
8.5
Typ.
6.0
12.0
Max.
8.5
17.0
1.0
2,000
Units
VDC
A
mW
• Tight Line/Load Regulation Input Filter
π (Pi) Filter (Meets EN55022 Class A)
• 1,500 VDC Isolation
• -40ºC to +71ºC Operation
• 14 Standard Models
• 1.0 MH MTBF Minimum
• Industry Standard Pin-Out
Output
Parameter
Output Voltage Accuracy
Output Voltage Balance
Line Regulation
Load Regulation
Conditions
Min.
Dual Output, Balanced Load
For Vin = Min to Max
Iout = 10% to 100%
Typ.
±0.5
±0.5
±0.2
±0.3
Max.
±1.0
±2.0
±1.0
±1.0
Units
%
%
%
%
Ripple & Noise (20 MHz) (Note 1)
50 75 mV P - P
Ripple & Noise (20 MHz)
100 mV P - P
Ripple & Noise (20 MHz)
15 mV rms
Output Power Protection
120
%
Transient Response Time (Note 2)
Transient Response Deviation
25% Load Step Change
150 500
µS
±2 ±6
%
RoHS Compliant ^{Temperature Coefficient}
Output Short Circuit
±0.01 ±0.02
Continuous (Autorecovery)
%/ºC
General
Parameter
Conditions
Min. Typ. Max. Units
Isolation Voltage
60 Seconds 1,500
VDC
Isolation Resistance
1,000 VDC 1,000
MΩ
Isolation Capacitance
100 kHz, 1V
350 500
pF
Switching Frequency
300
kHz
Environmental
Parameter
Conditions
Min. Typ. Max. Units
Operating Temperature Range
Ambient -40 +25 +71
ºC
Operating Temperature Range
Case -40
+90
ºC
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
Storage Temperature Range
Cooling
Humidity
Physical
Case Size
-40
Free Air Convection
RH, Non-condensing
+125
ºC
95
%
1.27 x 0.58 x 0.40 Inches (32.3 x 14.8 x 10.2 mm)
T: [phone]
F: [phone]
E: [e-mail]
W: www.micropowerdirect.com
Case Material
Weight
Reliability Specifications
Parameter
Conditions
Non-Conductive Black Plastic (UL94-V0)
0.31 Oz (8.8g)
Min. Typ. Max. Units
MTBF
MIL HDBK 217F, 25ºC, Gnd Benign 1.0
MHours
Absolute Maximum Ratings
Parameter
Conditions
Min. Typ. Max. Units
Input Voltage Surge (1 Sec)
24 VDC Input -0.7
48 VDC Input -0.7
50.0
100.0
VDC
Lead Temperature
1.5 mm From Case For 10 Sec.
260
ºC
Internal Power Dissipation
All Models
2,500
mW
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.