LF112SI View Datasheet(PDF) - MicroPower Direct, LLC
Part Name
Description
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LF112SI Datasheet PDF : 2 Pages
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LF100SI Series
High Isolation, 1W
Single Output SMT
DC/DC Converters
Key Features:
Electrical Specifications
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Input
Parameter
Conditions
Min. Typ. Max. Units
• 1W Output Power
• Ultra-Miniature SMT Case
• 3,000 VDC Isolation
Input Voltage Range
5 VDC Input 4.5 5.0 5.5
12 VDC Input 10.8 12.0 13.2
24 VDC Input 21.6 24.0 26.4
VDC
• 5V, 12V & 24V Inputs
Reverse Polarity Input Current
0.3
A
• -40ºC to +85ºC Operation
• 9 Standard Models
• 2.0 MH MTBF Minimum
• Industry Standard Pin-Out
Input Filter
Output
Parameter
Output Voltage Accuracy
Line Regulation
Capacitor
Conditions
Min.
For Vin Change of 1%
Typ.
±1.5
±1.2
Max.
±4.0
±1.5
Units
%
%
Load Regulation (Note 1)
See Model Selection Guide
Ripple & Noise (20 MHz) (Note 2)
75 100 mV P - P
Ripple & Noise (20 MHz)
Over Line, Load & Temp.
150 mV P - P
Ripple & Noise (20 MHz)
5
mv rms
Output Power Protection
120
%
Temperature Coeiffcient
±0.01 ±0.02 %/ºC
Output Short Circuit
Momentary (0.5 Sec.)
RoHS Compliant General
Parameter
Conditions
Min. Typ. Max. Units
Isolation Voltage
60 Seconds 3,000
VDC
Isolation Resistance
500 VDC 10
GΩ
Isolation Capacitance
100 kHz, 1V
60 100
pF
Switching Frequency
50 100 150
kHz
Environmental
Parameter
Conditions
Min. Typ. Max. Units
Operating Temperature Range
Ambient -40 +25 +85
ºC
Operating Temperature Range
Case -40
+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
%
0.60 x 0.31 x 0.26 Inches (15.24 x 8.0 x 6.7 mm)
Molded Black Plastic (UL94-V0)
0.07 Oz (2.2g)
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Reliability Specifications
Parameter
MTBF
Absolute Maximum Ratings
Conditions
Min. Typ. Max.
MIL HDBK 217F, 25ºC, Gnd Benign 2.0
Units
MHours
Parameter
Conditions
Min. Typ. Max. Units
5 VDC Input -0.7
9.0
Input Voltage Surge (1 Sec)
12 VDC Input -0.7
18.0
VDC
24 VDC Input -0.7
30.0
Lead Temperature
1.5 mm From Case For 10 Sec.
300
ºC
Internal Power Dissipation
All Models
550
mW
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.
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