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LF305RW bảng dữ liệu(PDF) 1 Page - MicroPower Direct, LLC

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Giải thích chi tiết về linh kiện  Wide Input, 3W SMT Single & Dual Output DC/DC Converters
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nhà sản xuất  MPD [MicroPower Direct, LLC]
Trang chủ  http://www.micropowerdirect.com
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LF305RW bảng dữ liệu(HTML) 1 Page - MicroPower Direct, LLC

  LF305RW Datasheet HTML 1Page - MicroPower Direct, LLC LF305RW Datasheet HTML 2Page - MicroPower Direct, LLC  
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Key Features:
3W Output Power
UL Approved (File E245422)
Wide 2:1 Inputs
Miniature SMT Case
Tight Line/Load Regulation
1,500 VDC Isolation
-40ºC to +70ºC Operation
21 Standard Models
1.0 MH MTBF Minimum
Industry Standard Pin-Out
LF300RW
Wide Input, 3W SMT
Single & Dual Output
DC/DC Converters
Series
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
RoHS Compliant
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
Input Start Voltage
12 VDC Input
4.5
6.0
8.0
VDC
24 VDC Input
8.0
12.0
16.0
48 VDC Input
16.0
24.0
32.0
Reverse Polarity Input Current
0.5
A
Short Circuit Input Power
1,500
mW
Input Filter
π (Pi) Filter
Output
Parameter
Conditions
Min.
Typ.
Max.
Units
Output Voltage Accuracy
±0.5
±1.0
%
Output Voltage Accuracy
Dual Output, Balanced Load
±0.5
±1.0
%
Line Regulation
For Vin = Min to Max
±0.1
±0.3
%
Load Regulation
Iout = 20% to 100%
±0.3
±1.0
%
Ripple & Noise (20 MHz) (Note 1)
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)
25% Load Step Change
250
500
μS
Transient Response Deviation
±2.0
±6.0
%
Temperature Coefficient
±0.01
±0.02
%/
ºC
Output Short Circuit
Continuous
General
Parameter
Conditions
Min.
Typ.
Max.
Units
Isolation Voltage
60 Seconds
1,500
VDC
Isolation Resistance
1,000 VDC
1,000
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
Humidity
RH, Non-condensing
95
%
Physical
Case Size
1.27 x 0.74 x 0.40 Inches (32.3 x 28.8 x 10.2 mm)
Case Material
Non-Conductive Black Plastic (UL94-V0)
Weight
0.35 Oz (10g)
Reliability Specifications
Parameter
Conditions
Min.
Typ.
Max.
Units
MTBF
MIL HDBK 217F, 25
ºC, Gnd Benign
1.0
MHours
Safety Standards
UL 1950, EN 60950, IEC 60950
Safety Approvals
UL, cUL; File No. E245422
Absolute Maximum Ratings
Parameter
Conditions
Min.
Typ.
Max.
Units
Input Voltage Surge (1 Sec)
12 VDC Input
-0.7
25.0
VDC
24 VDC Input
-0.7
50.0
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.


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