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LF500RW Datasheet, PDF (1/2 Pages) MicroPower Direct, LLC – Wide Input, 5W SMT Single & Dual Output DC/DC Converters
LF500RW Series
Wide Input, 5W 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:
• 5W Output Power
• Wide 2:1 Inputs
Parameter
Input Start Voltage
Conditions
12 VDC Input
24 VDC Input
48 VDC Input
Min.
7.5
14.0
30.0
Typ.
8.0
16.0
33.0
Max.
9.0
18.0
36.0
Units
VDC
• Miniature SMT Case
Reverse Polarity Input Current
1.0
A
• Tight Line/Load Regulation
• 1,500 VDC Isolation
• -40ºC to +60ºC Operation
• 21 Standard Models
Short Circuit Input Power
Input Filter
Output
Parameter
Output Voltage Accuracy
1,000 3,000
π (Pi) Filter (Meets EN55022 Class A)
Conditions
Min. Typ. Max.
±0.5 ±1.0
mW
Units
%
• 1.0 MH MTBF Minimum Output Voltage Balance
Dual Output, Balanced Load
±0.5 ±2.0
%
• Industry Standard Pin-Out Line Regulation
Load Regulation
For Vin = Min to Max
Iout = 20% to 100%
±0.1 ±0.3
%
±0.3 ±1.0
%
Ripple & Noise (20 MHz) (Note 1)
50 85 mV P - P
Ripple & Noise (20 MHz)
100 mV P - P
Ripple & Noise (20 MHz)
15 mV rms
Output Power Protection
115 140 165
%
Transient Response Time (Note 2)
Transient Response Deviation
25% Load Step Change
250 500
µS
±2 ±6
%
RoHS Compliant Temperature Coefficient
Output Short Circuit
±0.01 ±0.02
Continuous
%/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
650 750
pF
Switching Frequency
200 260 350
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
Case Material
-40
Free Air Convection
RH, Non-condensing
+125
ºC
95
%
1.31 x 0.81 x 0.40 Inches (33.4 x 20.6 x 10.2 mm)
Non-Conductive Black Plastic (UL94-V0)
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Weight
Reliability Specifications
Parameter
MTBF
0.49 Oz (14g)
Conditions
Min.
MIL HDBK 217F, 25ºC, Gnd Benign 1.0
Typ. Max.
Units
MHours
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
2,500
mW
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.