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LF504RU データシート(PDF) 2 Page - MicroPower Direct, LLC

部品番号 LF504RU
部品情報  Very Wide Input, 5W SMT Single & Dual Output DC/DC Converters
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メーカー  MPD [MicroPower Direct, LLC]
ホームページ  http://www.micropowerdirect.com
Logo MPD - MicroPower Direct, LLC

LF504RU データシート(HTML) 2 Page - MicroPower Direct, LLC

  LF504RU Datasheet HTML 1Page - MicroPower Direct, LLC LF504RU Datasheet HTML 2Page - MicroPower Direct, LLC  
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Derating Curve
Board Layout
Pin Connections
Pin
Single
Dual
1
On/Off
On/Off
2
-Vin
-Vin
3
-Vin
-Vin
9
NC
Common
10
NC
NC
11
NC
-Vout
12
NC
NC
13
NC
NC
14
+Vout
+Vout
15
NC
NC
16
-Vout
Common
22
+Vin
+Vin
23
+Vin
+Vin
24
NC
NC
NC: No Connection
Model
Number
Input
Output
Reflected
Ripple Cur.
(mA)
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
LF501RU
24
9.0 - 36.0
217
20
3.3
1,200
120.0
15
76
1,500
LF502RU
24
9.0 - 36.0
260
20
5.0
1,000
100.0
15
80
1,500
LF503RU
24
9.0 - 36.0
251
20
12.0
417
41.7
15
83
1,500
LF504RU
24
9.0 - 36.0
251
20
15.0
333
33.3
15
83
1,500
LF505RU
24
9.0 - 36.0
260
20
±5.0
±500
±50.0
15
80
1,500
LF506RU
24
9.0 - 36.0
251
20
±12.0
±208
±20.8
15
83
1,500
LF507RU
24
9.0 - 36.0
252
20
±15.0
±167
±16.7
15
83
1,500
LF511RU
48
18.0 - 75.0
109
10
3.3
1,200
120.0
10
76
700
LF512RU
48
18.0 - 75.0
130
10
5.0
1,000
100.0
10
80
700
LF513RU
48
18.0 - 75.0
126
10
12.0
417
41.7
10
83
700
LF514RU
48
18.0 - 75.0
125
10
15.0
333
33.3
10
83
700
LF515RU
48
18.0 - 75.0
130
10
±5.0
±500
±50.0
10
80
700
LF516RU
48
18.0 - 75.0
125
10
±12.0
±208
±20.8
10
83
700
LF517RU
48
18.0 - 75.0
126
10
±15.0
±167
±16.7
10
83
700
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
Model Selection Guide
Mechanical Dimensions
Notes:
1. When measuring output ripple, it is recommended that an external 0.47
µF ceramic
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. For noise sensitive applications, the use of
3.3
µF capacitors will reduce the output ripple.
2. Transient recovery is measured to within a 1% error band for a load step change of 75%
to 100%.
3. No-load operation will not damage these units, however, they may not meet specifica-
tions.
4. Dual output units may provide a 10V, 24V or 30V output. To do this, connect the load
across the positive (+Vout) and negative (-Vout) outputs and float the output common.
5. 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 <1.0Ω at 100 kHz) capacitor be mounted close to the
converter. For 24V input units a 4.7
µF is recommended, and for 48V units a 2.2 µF.
6. Maximum capacitive load for 3.3V & 5V units is 2,000
µF, for 12V units 470 µF, for 15V &
±12V units 330
µF, for ±5V units 680 µF, and for ±15V units 220 µF.
7. 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.
Remote ON/OFF Notes:
1. Maximum sink current at the on/off pin (pin 1) during a logic
low is 300
µA.
2. Maximum allowable leakage current of a switch connected to the
on/off terminal (Pin 1) at logic high (2.5V to 100V) is 200
µA.
Parameter
Condition
Units
Supply On
2.5 to 5.5 or Open Circuit
VDC
Supply Off
-0.7 to 0.8
VDC
Standby Input Current
10
mA
Control Common
Referenced to Negative Input (-Vin)
Remote ON/OFF
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


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