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PDF LF31xRW Data sheet ( Hoja de datos )

Número de pieza LF31xRW
Descripción LF300RE Series / DC/DC Converters
Fabricantes MicroPower Direct 
Logotipo MicroPower Direct Logotipo



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LWSDiCinFd/gDealCe3tIanS&Cphe0uoDetntu4,vUa30e.lWcroOtmeRSurMtspWTut SeriesElectrical Specifications
.D Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Input
wKey Features:
Parameter
w3W Output Power
w Input Start Voltage
UL Approved (File E245422)
Conditions
12 VDC Input
24 VDC Input
48 VDC Input
Min.
4.5
8.0
16.0
Typ.
6.0
12.0
24.0
Max.
8.0
16.0
32.0
Units
VDC
mWide 2:1 Inputs
Reverse Polarity Input Current
0.5 A
oMiniature SMT Case
Tight Line/Load Regulation
.c1,500 VDC Isolation
-40ºC to +70ºC Operation
Short Circuit Input Power
Input Filter
Output
Parameter
Output Voltage Accuracy
Conditions
π (Pi) Filter
1,500
Min. Typ. Max.
±0.5 ±1.0
mW
Units
%
U21 Standard Models
1.0 MH MTBF Minimum
t4Industry Standard Pin-Out
Output Voltage Accuracy
Line Regulation
Load Regulation
Ripple & Noise (20 MHz) (Note 1)
Dual Output, Balanced Load
For Vin = Min to Max
Iout = 20% to 100%
±0.5 ±1.0
%
±0.1 ±0.3
%
±0.3 ±1.0
%
50 75 mV P - P
Ripple & Noise (20 MHz)
100 mV P - P
eRipple & Noise (20 MHz)
10 mV rms
Output Power Protection
120 %
eTransient Response Time (Note 2)
hTransient Response Deviation
25% Load Step Change
250 500
±2.0 ±6.0
μS
%
Temperature Coefficient
±0.01 ±0.02 %/ºC
Output Short Circuit
Continuous
SGeneral
taParameter
Conditions
Min. Typ. Max. Units
Isolation Voltage
60 Seconds 1,500
VDC
Isolation Resistance
1,000 VDC 1,000
aIsolation Capacitance
100 kHz, 1V
65 100
pF
Switching Frequency
300 kHz
.DEnvironmental
Parameter
Conditions
Min. Typ. Max. Units
Operating Temperature Range
Ambient -40 +25 +71
ºC
Operating Temperature Range
wStorage Temperature Range
Case -40
-40
+25 +90
+125
ºC
ºC
Cooling
Free Air Convection
wMicroPower Direct
m232 Tosca Drive
w oStoughton, MA 02072
.cUSA
T: (781) 344-8226
UF: (781) 344-8481
eeW: www.micropowerdirect.com
Humidity
Physical
Case Size
Case Material
Weight
Reliability Specifications
Parameter
MTBF
Safety Standards
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)
Conditions
MIL HDBK 217F, 25ºC, Gnd Benign
Min. Typ. Max. Units
1.0 MHours
UL 1950, EN 60950, IEC 60950
hSafety Approvals
UL, cUL; File No. E245422
SAbsolute Maximum Ratings
taParameter
Conditions
Min. Typ. Max. Units
a12 VDC Input -0.7
25.0
Input Voltage Surge (1 Sec)
24 VDC Input -0.7
50.0 VDC
.D48 VDC Input -0.7
100.0
wLead Temperature
1.5 mm From Case For 10 Sec.
260 ºC
wInternal Power Dissipation
All Models
2500
mW
wCaution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.

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