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LF112ED डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Dual Output Ultra-Miniature 1W SMT DC/DC Converters - MicroPowerDirect

भाग संख्या LF112ED
समारोह Dual Output Ultra-Miniature 1W SMT DC/DC Converters
मैन्युफैक्चरर्स MicroPowerDirect 
लोगो MicroPowerDirect लोगो 
पूर्व दर्शन
1 Page
		
<?=LF112ED?> डेटा पत्रक पीडीएफ

LF112ED pdf
Model Selection Guide
Model
Number
LF101ED
LF102ED
LF103ED
LF104ED
LF111ED
LF112ED
LF113ED
LF114ED
LF151ED
LF152ED
LF153ED
Input
Voltage (VDC)
Current (mA)
Nominal Range Full-Load No-Load
5
4.5 - 5.5
277
30
5
4.5 - 5.5
250
30
5
4.5 - 5.5
256
30
5
4.5 - 5.5
253
30
12 10.8 - 13.2 112
15
12 10.8 - 13.2 110
15
12 10.8 - 13.2 105
15
12 10.8 - 13.2 104
15
3.3 3.0 - 3.6 452
55
3.3 3.0 - 3.6 445
55
3.3 3.0 - 3.6 432
55
Voltage
(VDC)
±5.0
±9.0
±12.0
±15.0
±5.0
±9.0
±12.0
±15.0
±5.0
±12.0
±15.0
Output
Current
(mA, Max)
±100.0
±56.0
±42.0
±33.0
±100.0
±56.0
±42.0
±33.0
±100.0
±42.0
±33.0
Current
(mA, Min)
±10.0
±6.0
±5.0
±4.0
±10.0
±6.0
±5.0
±4.0
±10.0
±5.0
±4.0
Load
Regulation
(%, Max)
12.0
8.0
8.5
7.0
12.0
8.0
8.5
7.0
12.0
8.5
7.0
Notes:
1. Output load regulation is specified for a load change of 20% to 100%.
2. When measuring output ripple, it is recommended that an external 0.33 µF ce-
ramic 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.
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. How-
ever, in some applications the addition of input/output capacitors will enhance
stability and reduce output ripple. Recommended capacitor values are:
Derating Curve
Efficiency
(%, Typ)
72
75
78
79
74
76
78
79
67
68
70
Fuse Rating
Slow-Blow
(mA)
500
500
500
500
200
200
200
200
750
750
750
Vin
5 VDC
12 VDC
24 VDC
Input
Capacitor
4.7 µF
2.2 µF
1.0 µF
Vout
5 VDC
9 VDC
12 VDC
15 VDC
Output
Capacitor
4.7 µF
2.2 µF
1.0 µF
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.
Mechanical Dimensions
Pin Connections
Pin Description
Pin Description
1 -Vin
6 NC
2 +Vin
7 +Vout
3 NC
8 NC
4 Common 9 NC
5 -Vout
10 NC
NC = No Connection
Recommended Solder Profile
Board Layout
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
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
http://www.Datasheet4U.com

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