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LF237RW Arkusz danych(PDF) 2 Page - MicroPower Direct, LLC

Numer części LF237RW
Szczegółowy opis  LF200RW SERIES
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Producent  MPD [MicroPower Direct, LLC]
Strona internetowa  http://www.micropowerdirect.com
Logo MPD - MicroPower Direct, LLC

LF237RW Arkusz danych(HTML) 2 Page - MicroPower Direct, LLC

  LF237RW Datasheet HTML 1Page - MicroPower Direct, LLC LF237RW Datasheet HTML 2Page - MicroPower Direct, LLC  
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Model Selection Guide
Mechanical Dimensions
Mechanical Notes:
All dimensions are typical in inches (mm)
Tolerance x.xx = ±0.01 (±0.25)
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. 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 <1.0
 at 100 kHz) capacitor be mounted close to the converter.
For 5V input units a 8.2 µF is recommended, for 12V input units, a 3.3 µF; and for 24V & 48V units a 1.5 µF.
6. It’s recommended that a fuse be used on the power supply input for protection. See the table above for the correct rating.
Model
Number
Input
Output
Reflected
Ripple
Current (mA)
Efficiency
(%, Typ)
Output
Capacitive
Load
(µF, Max)
Fuse Rating
Slow-Blow
(mA)
Voltage (VDC)
Current (mA)
Voltage
(VDC)
Current
(mA, Max)
Current
(mA, Min)
Nominal
Range
Full-Load No-Load
LF201RW
5
4.5 - 9.0
471
40
3.3
500.0
125.0
100
70
2,200
1,000
LF202RW
5
4.5 - 9.0
548
40
5.0
400.0
100.0
100
73
1,000
1,000
LF203RW
5
4.5 - 9.0
534
40
12.0
167.0
42.0
100
75
170
1,000
LF204RW
5
4.5 - 9.0
582
40
15.0
134.0
33.0
100
73
110
1,000
LF205RW
5
4.5 - 9.0
667
40
±5.0
±200.0
±50.0
100
64
±470
1,000
LF206RW
5
4.5 - 9.0
615
40
±12.0
±83.0
±21.0
100
69
±100
1,000
LF207RW
5
4.5 - 9.0
598
40
±15.0
±67.0
±17.0
100
71
±47
1,000
LF211RW
12
9.0 - 18.0
184
20
3.3
500.0
125.0
25
73
2,200
500
LF212RW
12
9.0 - 18.0
217
20
5.0
400.0
100.0
25
77
1,000
500
LF213RW
12
9.0 - 18.0
209
20
12.0
167.0
42.0
25
80
170
500
LF214RW
12
9.0 - 18.0
220
20
15.0
134.0
33.0
25
80
110
500
LF215RW
12
9.0 - 18.0
242
20
±5.0
±200.0
±50.0
25
73
±470
500
LF216RW
12
9.0 - 18.0
224
20
±12.0
±83.0
±21.0
25
78
±100
500
LF217RW
12
9.0 - 18.0
226
20
±15.0
±67.0
±17.0
25
78
±47
500
LF221RW
24
18.0 - 36.0
96
10
3.3
500.0
125.0
15
72
2,200
250
LF222RW
24
18.0 - 36.0
109
10
5.0
400.0
100.0
15
77
1,000
250
LF223RW
24
18.0 - 36.0
109
10
12.0
167.0
42.0
15
80
170
250
LF224RW
24
18.0 - 36.0
108
10
15.0
134.0
33.0
15
81
110
250
LF225RW
24
18.0 - 36.0
119
10
±5.0
±200.0
±50.0
15
74
±470
250
LF226RW
24
18.0 - 36.0
112
10
±12.0
±83.0
±21.0
15
78
±100
250
LF227RW
24
18.0 - 36.0
110
10
±15.0
±67.0
±17.0
15
80
±47
250
LF231RW
48
36.0 - 72.0
49
8
3.3
500.0
125.0
10
71
2,200
120
LF232RW
48
36.0 - 72.0
57
8
5.0
400.0
100.0
10
73
1,000
120
LF233RW
48
36.0 - 72.0
53
8
12.0
167.0
42.0
10
79
170
120
LF234RW
48
36.0 - 72.0
55
8
15.0
134.0
33.0
10
79
110
120
LF235RW
48
36.0 - 72.0
62
8
±5.0
±200.0
±50.0
10
71
±470
120
LF236RW
48
36.0 - 72.0
57
8
±12.0
±83.0
±21.0
10
77
±100
120
LF237RW
48
36.0 - 72.0
57
8
±15.0
±67.0
±17.0
10
77
±47
120
Pin
Single
Dual
1
-Vin
-Vin
7NC
NC
8
NC
Common
9
+Vout
+Vout
10
-Vout
-Vout
16
+Vin
+Vin
NC = No Connection
Pin Connections
Derating Curve
Solder Layout
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
Output
www.micropowerdirect.com


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