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LF203ED Arkusz danych(PDF) 2 Page - MicroPower Direct, LLC

Numer części LF203ED
Szczegółowy opis  Low Cost, 2W SMT Dual Output DC/DC Converters
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Producent  MPD [MicroPower Direct, LLC]
Strona internetowa  http://www.micropowerdirect.com
Logo MPD - MicroPower Direct, LLC

LF203ED Arkusz danych(HTML) 2 Page - MicroPower Direct, LLC

  LF203ED Datasheet HTML 1Page - MicroPower Direct, LLC LF203ED Datasheet HTML 2Page - MicroPower Direct, LLC  
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Model
Number
Input
Output
Efficiency
(%, Typ)
Fuse Rating
Slow-Blow
(mA)
Voltage (VDC)
Current (mA)
Voltage
(VDC)
Current
(mA, Max)
Current
(mA, Min)
Nominal
Range
Full-Load
No-Load
LF201ED
5
4.5 - 5.5
244
30
±5.0
±200.0
±20.0
82
500
LF202ED
5
4.5 - 5.5
241
30
±9.0
±111.0
±11.0
83
500
LF203ED
5
4.5 - 5.5
238
30
±12.0
±83.0
±8.0
84
500
LF211ED
12
10.8 - 13.2
100
15
±5.0
±200.0
±20.0
83
200
LF212ED
12
10.8 - 13.2
99
15
±9.0
±111.0
±11.0
84
200
LF213ED
12
10.8 - 13.2
99
15
±12.0
±83.0
±8.0
84
200
LF214ED
12
10.8 - 13.2
98
15
±15.0
±67.0
±7.0
85
200
Notes:
1. Output load regulation is specified for a load change of 10% to 100%.
2. When measuring output ripple, it is recommended that an external 0.33
µF ceramic
capacitor be placed from each output to common.
3. During operation, care must be taken not to exceed the specified input range of the
unit or to allow the output load to drop below the specified minimum (10% of full
load). Operating the unit under either of these conditions could cause damage to the
unit.
4. These converters are specified for operation without external components. However,
in some applications the addition of input/output capacitors will enhance stability and
reduce output ripple. Recommended capacitor values are:
Vin
Input
Capacitor
Vout
Output
Capacitor
5 VDC
4.7
µF
5 VDC
4.7
µF
12 VDC
2.2
µF
9 VDC
2.2
µF
12 VDC
1.0
µF
15 VDC
0.47
µF
For applications requiring very low output noise
levels, a simple LC filter should be effective.
5. It is recommended that a fuse be used on the
input of a power supply for protection. See the
Model Selection table above for the correct rating.
Model Selection Guide
Mechanical Dimensions
Notes:
All dimensions are typical in inches (mm)
Tolerance x.xx =
±0.01 (±0.25)
Pin 1 is marked by a “dot” or indentation on the unit
Board Layout
Pin
Description
Pin
Description
1-Vin
8
NC
2+Vin
9
NC
3
NC
10
-Vout
5
-Vout
12
NC
6
Common
13
NC
7
+Vout
14
NC
NC = No Connection
Pin Connections
MicroPower Direct
www.micropowerdirect.com
292 Page Street Ste D Stoughton, MA 02072
TEL: (781) 344-8226
FAX: (781) 344-8481
E-Mail: sales@micropowerdirect.com
Recommended Solder Profile
Derating Curve


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