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LF204RW Arkusz danych(PDF) 2 Page - MicroPower Direct, LLC

Numer części LF204RW
Szczegółowy opis  Miniature SMT, 2W Wide Input Range DC/DC Converters
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Producent  MPD [MicroPower Direct, LLC]
Strona internetowa  http://www.micropowerdirect.com
Logo MPD - MicroPower Direct, LLC

LF204RW Arkusz danych(HTML) 2 Page - MicroPower Direct, LLC

  LF204RW Datasheet HTML 1Page - MicroPower Direct, LLC LF204RW 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. Dual output units may be connected to provide a 10 VDC, 24 VDC or 30 VDC 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 appli-
cations 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 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 is recommended that a fuse be used on the input of a power supply for protection. See the table above for the correct rating.
Model
Number
Input
Output
Reflected
Ripple
Current (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
LF201RW
5
4.5 - 9.0
471
40
3.3
500.0
125.0
100
70
1,000
LF202RW
5
4.5 - 9.0
548
40
5.0
400.0
100.0
100
73
1,000
LF203RW
5
4.5 - 9.0
534
40
12.0
167.0
42.0
100
75
1,000
LF204RW
5
4.5 - 9.0
582
40
15.0
134.0
33.0
100
73
1,000
LF205RW
5
4.5 - 9.0
667
40
±5.0
±200.0
±50.0
100
64
1,000
LF206RW
5
4.5 - 9.0
615
40
±12.0
±83.0
±21.0
100
69
1,000
LF207RW
5
4.5 - 9.0
598
40
±15.0
±67.0
±17.0
100
71
1,000
LF211RW
12
9.0 - 18.0
184
20
3.3
500.0
125.0
25
73
500
LF212RW
12
9.0 - 18.0
217
20
5.0
400.0
100.0
25
77
500
LF213RW
12
9.0 - 18.0
209
20
12.0
167.0
42.0
25
80
500
LF214RW
12
9.0 - 18.0
220
20
15.0
134.0
33.0
25
80
500
LF215RW
12
9.0 - 18.0
242
20
±5.0
±200.0
±50.0
25
73
500
LF216RW
12
9.0 - 18.0
224
20
±12.0
±83.0
±21.0
25
78
500
LF217RW
12
9.0 - 18.0
226
20
±15.0
±67.0
±17.0
25
78
500
LF221RW
24
18.0 - 36.0
96
10
3.3
500.0
125.0
15
72
250
LF222RW
24
18.0 - 36.0
109
10
5.0
400.0
100.0
15
77
250
LF223RW
24
18.0 - 36.0
109
10
12.0
167.0
42.0
15
80
250
LF224RW
24
18.0 - 36.0
108
10
15.0
134.0
33.0
15
81
250
LF225RW
24
18.0 - 36.0
119
10
±5.0
±200.0
±50.0
15
74
250
LF226RW
24
18.0 - 36.0
112
10
±12.0
±83.0
±21.0
15
78
250
LF227RW
24
18.0 - 36.0
110
10
±15.0
±67.0
±17.0
15
80
250
LF231RW
48
36.0 - 72.0
49
8
3.3
500.0
125.0
10
71
120
LF232RW
48
36.0 - 72.0
57
8
5.0
400.0
100.0
10
73
120
LF233RW
48
36.0 - 72.0
53
8
12.0
167.0
42.0
10
79
120
LF234RW
48
36.0 - 72.0
55
8
15.0
134.0
33.0
10
79
120
LF235RW
48
36.0 - 72.0
62
8
±5.0
±200.0
±50.0
10
71
120
LF236RW
48
36.0 - 72.0
57
8
±12.0
±83.0
±21.0
10
77
120
LF237RW
48
36.0 - 72.0
57
8
±15.0
±67.0
±17.0
10
77
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
Output (VDC)
µF Max
3.3
2,200
5.0
1,000
12.0
170
15.0
110
±5.0
470
±12.0
100
±15.0
47
Note: For dual output Units, Cap
load is given for each output.
Capacitive Load
Mechanica
All dimen
Tolerance
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
Derating Curve
Solder Layout


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