lf311ru MicroPower Direct, LLC, lf311ru Datasheet
lf311ru
Manufacturer Part Number
lf311ru
Description
Very Wide Input, 3w Smt Single & Dual Output Dc/dc Converters
Manufacturer
MicroPower Direct, LLC
Datasheet
1.LF311RU.pdf
(2 pages)
LF300RU
Key Features:
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MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Very Wide Input, 3W SMT
Single & Dual Output
DC/DC Con vert ers
3W Output Power
Wide 4:1 Inputs
Miniature SMT Case
Tight Line/Load Regulation
1,500 VDC Isolation
-40ºC to +71ºC Operation
14 Standard Models
1.0 MH MTBF Minimum
Industry Standard Pin-Out
RoHS Compliant
Electrical Specifi cations
Specifi cations typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifi cations subject to change without notice.
Input
Parameter
Input Start Voltage
Reverse Polarity Input Current
Short Circuit Input Power
Input Filter
Output
Parameter
Output Voltage Accuracy
Output Voltage Balance
Line Regulation
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 Coeffi cient
Output Short Circuit
General
Parameter
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Switching Frequency
Environmental
Parameter
Operating Temperature Range
Operating Temperature Range
Storage Temperature Range
Cooling
Humidity
Physical
Case Size
Case Material
Weight
Reliability Specifi cations
Parameter
MTBF
Absolute Maximum Ratings
Parameter
Input Voltage Surge (1 Sec)
Lead Temperature
Internal Power Dissipation
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.
MIL HDBK 217F, 25
Series
1.5 mm From Case For 10 Sec.
Dual Output, Balanced Load
25% Load Step Change
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
For Vin = Min to Max
RH, Non-condensing
Iout = 10% to 100%
π (Pi) Filter (Meets EN55022 Class A)
º
C, Gnd Benign
24 VDC Input
48 VDC Input
24 VDC Input
48 VDC Input
Continuous (Autorecovery)
100 kHz, 1V
60 Seconds
1.27 x 0.58 x 0.40 Inches (32.3 x 14.8 x 10.2 mm)
All Models
1,000 VDC
Free Air Convection
Ambient
Case
Non-Conductive Black Plastic (UL94-V0)
1,500
1,000
Min.
Min.
Min.
Min.
Min.
Min.
-0.7
-0.7
120
-40
-40
-40
4.5
8.5
1.0
±0.01
12.0
±0.5
±0.5
±0.2
±0.3
Typ.
Typ.
Typ.
Typ.
Typ.
Typ.
150
350
300
+25
6.0
50
±2
2,000
±0.02
100.0
2,500
Max.
Max.
Max.
Max.
Max.
Max.
+125
17.0
±1.0
±2.0
±1.0
±1.0
50.0
100
500
500
+71
+90
260
8.5
1.0
±6
75
15
95
0.31 Oz (8.8g)
mV P - P
mV P - P
MHours
mV rms
Units
Units
Units
Units
Units
Units
%/
VDC
VDC
VDC
mW
mW
MΩ
kHz
µS
pF
%
%
%
%
%
%
º
º
º
%
ºC
A
C
C
C
º
C
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lf311ru Summary of contents
Page 1
LF300RU Very Wide Input, 3W SMT Single & Dual Output DC/DC Con vert ers Electrical Specifi cations Specifi cations typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifi cations subject to change without notice. Input ...
Page 2
... Nominal Range LF301RU 24 9.0 - 36.0 LF302RU 24 9.0 - 36.0 LF303RU 24 9.0 - 36.0 LF304RU 24 9.0 - 36.0 LF305RU 24 9.0 - 36.0 LF306RU 24 9.0 - 36.0 LF307RU 24 9.0 - 36.0 LF311RU 48 18.0 - 75.0 LF312RU 48 18.0 - 75.0 LF313RU 48 18.0 - 75.0 LF314RU 48 18.0 - 75.0 LF315RU 48 18.0 - 75.0 LF316RU 48 18.0 - 75.0 LF317RU 48 18.0 - 75.0 Notes: 1. When measuring output ripple recommended that an external 0.47 µF ceramic capacitor be placed from the +Vout pin to the -Vout pin for single output units and from each output to common for dual output units. For noise sensitive applications, the use of 3.3 µ ...