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LF201S डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 2W Single Output SMT DC/DC Converters - micropowerdirect

भाग संख्या LF201S
समारोह 2W Single Output SMT DC/DC Converters
मैन्युफैक्चरर्स micropowerdirect 
लोगो micropowerdirect लोगो 
पूर्व दर्शन
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<?=LF201S?> डेटा पत्रक पीडीएफ

LF201S pdf
Model Selection Guide
www.micropowerdirect.com
Model
Number
LF201S
LF202S
LF211S
LF212S
LF221S
LF222S
Input
Voltage (VDC)
Current (mA)
Voltage
Nominal Range Full-Load No-Load (VDC)
5
4.5 - 5.5
519
60
5.0
5
4.5 - 5.5
488
60 12.0
12 10.8 - 13.2 213 30 5.0
12 10.8 - 13.2 201
30 12.0
24 21.6 - 26.4 106 15 5.0
24 21.6 - 26.4 101
15 12.0
Output
Current
(mA, Max)
400.0
165.0
400.0
165.0
400.0
165.0
Current
(mA, Min)
8.0
3.0
8.0
3.0
8.0
3.0
Load
Regulation
(%, Max)
11
11
8
5
8
5
Efficiency
(%, Typ)
Output
Capacitive
Load
(µF, Max)
Fuse Rating
Slow-Blow
(mA)
77 47 1,000
81 10 1,000
78 47 500
82 10 500
78 47 200
81 10 200
Notes:
1. Load regulation is measured for an output change of 20% to 100%.
2. When measuring output ripple, it is recommended that an external 0.33
µF ceramic capacitor be placed from the +Vout pin to the -Vout pin. For
noise sensitive applications, the use of 1.5 µF capacitors will reduce
the output ripple.
3. Operation at no-load will not damage these units. However, they may
not meet all specifications.
4. The converter should be connected to a low ac-impedance source. An
input source with a highly inductive impedance may affect the stability
of the converter. In applications where the converter output loading is
high and input power is supplied over long lines, it may be necessary
to use a capacitor on the input to insure start-up.
In this case, it is recommended that a low ESR (ESR <1.0at 100 kHz)
capacitor be mounted close to the converter. For 5V input units a 2.2 µF
is recommended, for 12V input units, a 1.0 µF and for 24V input models,
a 0.47 µF.
5. It is recommended that a fuse be used on the input of a power supply
for protection. See the table above for the correct rating.
Derating Curve
Mechanical Dimensions
Pin Connections
Pin Description
1 -Vin
2 +Vin
3 No Pin
4 -Vout
5 +Vout
6 No Pin
7 No Pin
8 NA
NA = Not for electrical connection
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
We Power Your Success - For Less!
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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