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LF506RU डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 5W SMT Single & Dual Output DC/DC Converters - MicroPowerDirect

भाग संख्या LF506RU
समारोह 5W SMT Single & Dual Output DC/DC Converters
मैन्युफैक्चरर्स MicroPowerDirect 
लोगो MicroPowerDirect लोगो 
पूर्व दर्शन
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<?=LF506RU?> डेटा पत्रक पीडीएफ

LF506RU pdf
Model Selection Guide
www.micropowerdirect.com
Model
Number
Input
Voltage (VDC)
Nominal Range
Current (mA)
Voltage
Full-Load No-Load (VDC)
Output
Current
(mA, Max)
Current
(mA, Min)
Reflected
Ripple Cur.
(mA)
Efficiency
(%, Typ)
LF501RU
LF502RU
LF503RU
24 9.0 - 36.0
24 9.0 - 36.0
24 9.0 - 36.0
217
260
251
20 3.3
20 5.0
20 12.0
1,200
1,000
417
120.0
100.0
41.7
15
15
15
76
80
83
LF504RU
LF505RU
LF506RU
LF507RU
LF511RU
24 9.0 - 36.0
24 9.0 - 36.0
24 9.0 - 36.0
24 9.0 - 36.0
48 18.0 - 75.0
251
260
251
252
109
20 15.0
20 ±5.0
20 ±12.0
20 ±15.0
10 3.3
333
±500
±208
±167
1,200
33.3
±50.0
±20.8
±16.7
120.0
15
15
15
15
10
83
80
83
83
76
LF512RU
LF513RU
LF514RU
LF515RU
48 18.0 - 75.0
48 18.0 - 75.0
48 18.0 - 75.0
48 18.0 - 75.0
130
126
125
130
10 5.0
10 12.0
10 15.0
10 ±5.0
1,000
417
333
±500
100.0
41.7
33.3
±50.0
10
10
10
10
80
83
83
80
LF516RU
LF517RU
48 18.0 - 75.0
48 18.0 - 75.0
125
126
10 ±12.0
10 ±15.0
±208
±167
±20.8
±16.7
10
10
83
83
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 specifications.
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 imped-
ance 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
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.
Derating Curve
Fuse Rating
Slow-Blow
(mA)
1,500
1,500
1,500
1,500
1,500
1,500
1,500
700
700
700
700
700
700
700
Mechanical Dimensions
Remote ON/OFF
Parameter
Supply On
Supply Off
Standby Input Current
Condition
2.5 to 5.5 or Open Circuit
-0.7 to 0.8
10
Units
VDC
VDC
mA
Control Common
Referenced to Negative Input (-Vin)
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.
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 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
MicroPower Direct
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http://www.Datasheet4U.com

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