LF300RW Datasheet, PDF (1/2 Pages) MicroPower Direct, LLC – Wide Input, 3W SMT Single & Dual Output DC/DC Converters

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.
Key Features:
• 3W Output Power
• UL Approved (File E245422)
Input
Parameter
Input Start Voltage
Conditions
12 VDC Input
24 VDC Input
Min.
4.5
8.0
Typ.
6.0
12.0
Max.
8.0
16.0
Units
VDC
• Wide 2:1 Inputs
• Miniature SMT Case
• Tight Line/Load Regulation
Reverse Polarity Input Current
Short Circuit Input Power
Input Filter
48 VDC Input 16.0 24.0 32.0
0.5
A
1,500
mW
π (Pi) Filter
• 1,500 VDC Isolation
Output
• -40ºC to +70ºC Operation
• 21 Standard Models
• 1.0 MH MTBF Minimum
Parameter
Output Voltage Accuracy
Output Voltage Accuracy
Line Regulation
Conditions
Min.
Dual Output, Balanced Load
For Vin = Min to Max
Typ.
±0.5
±0.5
±0.1
Max.
±1.0
±1.0
±0.3
Units
%
%
%
• Industry Standard Pin-Out ^{Load Regulation}
Ripple & Noise (20 MHz) (Note 1)
Iout = 20% to 100%
±0.3 ±1.0
50 75
%
mV P - P
Ripple & Noise (20 MHz)
100 mV P - P
Ripple & Noise (20 MHz)
10 mV rms
Output Power Protection
120
%
Transient Response Time (Note 2)
Transient Response Deviation
25% Load Step Change
250 500
μS
±2.0 ±6.0
%
Temperature Coefficient
±0.01 ±0.02 %/ºC
Output Short Circuit
Continuous
General
Parameter
Conditions
Min. Typ. Max. Units
RoHS Compliant
Isolation Voltage
Isolation Resistance
60 Seconds
1,000 VDC
1,500
1,000
VDC
MΩ
Isolation Capacitance
100 kHz, 1V
65 100
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 +25 +90
ºC
Storage Temperature Range
-40
+125
ºC
Cooling
Free Air Convection
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
Humidity
Physical
Case Size
Case Material
Weight
RH, Non-condensing
95
%
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)
T: [phone]
F: [phone]
E: [e-mail]
W: www.micropowerdirect.com
Reliability Specifications
Parameter
MTBF
Safety Standards
Conditions
Min. Typ.
MIL HDBK 217F, 25ºC, Gnd Benign 1.0
UL 1950, EN 60950, IEC 60950
Max.
Units
MHours
Safety Approvals
UL, cUL; File No. E245422
Absolute Maximum Ratings
Parameter
Conditions
Min. Typ. Max. Units
12 VDC Input -0.7
25.0
Input Voltage Surge (1 Sec)
24 VDC Input -0.7
50.0
VDC
48 VDC Input -0.7
100.0
Lead Temperature
1.5 mm From Case For 10 Sec.
260
ºC
Internal Power Dissipation
All Models
2500
mW
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.