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LF31xRW PDF даташит

Спецификация LF31xRW изготовлена ​​​​«MicroPower Direct» и имеет функцию, называемую «LF300RE Series / DC/DC Converters».

Детали детали

Номер произв LF31xRW
Описание LF300RE Series / DC/DC Converters
Производители MicroPower Direct
логотип MicroPower Direct логотип 

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LF31xRW Даташит, Описание, Даташиты
LWSDiCinFd/gDealCe3tIanS&Cphe0uoDetntu4,vUa30e.lWcroOtmeRSurMtspWTut SeriesElectrical Specifications
.D Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Input
wKey Features:
Parameter
w3W Output Power
w Input Start Voltage
UL Approved (File E245422)
Conditions
12 VDC Input
24 VDC Input
48 VDC Input
Min.
4.5
8.0
16.0
Typ.
6.0
12.0
24.0
Max.
8.0
16.0
32.0
Units
VDC
mWide 2:1 Inputs
Reverse Polarity Input Current
0.5 A
oMiniature SMT Case
Tight Line/Load Regulation
.c1,500 VDC Isolation
-40ºC to +70ºC Operation
Short Circuit Input Power
Input Filter
Output
Parameter
Output Voltage Accuracy
Conditions
π (Pi) Filter
1,500
Min. Typ. Max.
±0.5 ±1.0
mW
Units
%
U21 Standard Models
1.0 MH MTBF Minimum
t4Industry Standard Pin-Out
Output Voltage Accuracy
Line Regulation
Load Regulation
Ripple & Noise (20 MHz) (Note 1)
Dual Output, Balanced Load
For Vin = Min to Max
Iout = 20% to 100%
±0.5 ±1.0
%
±0.1 ±0.3
%
±0.3 ±1.0
%
50 75 mV P - P
Ripple & Noise (20 MHz)
100 mV P - P
eRipple & Noise (20 MHz)
10 mV rms
Output Power Protection
120 %
eTransient Response Time (Note 2)
hTransient Response Deviation
25% Load Step Change
250 500
±2.0 ±6.0
μS
%
Temperature Coefficient
±0.01 ±0.02 %/ºC
Output Short Circuit
Continuous
SGeneral
taParameter
Conditions
Min. Typ. Max. Units
Isolation Voltage
60 Seconds 1,500
VDC
Isolation Resistance
1,000 VDC 1,000
aIsolation Capacitance
100 kHz, 1V
65 100
pF
Switching Frequency
300 kHz
.DEnvironmental
Parameter
Conditions
Min. Typ. Max. Units
Operating Temperature Range
Ambient -40 +25 +71
ºC
Operating Temperature Range
wStorage Temperature Range
Case -40
-40
+25 +90
+125
ºC
ºC
Cooling
Free Air Convection
wMicroPower Direct
m232 Tosca Drive
w oStoughton, MA 02072
.cUSA
T: (781) 344-8226
UF: (781) 344-8481
eeW: www.micropowerdirect.com
Humidity
Physical
Case Size
Case Material
Weight
Reliability Specifications
Parameter
MTBF
Safety Standards
RH, Non-condensing
95 %
1.27 x 0.74 x 0.40 Inches (32.3 x 28.8 x 10.2 mm)
Non-Conductive Black Plastic (UL94-V0)
0.35 Oz (10g)
Conditions
MIL HDBK 217F, 25ºC, Gnd Benign
Min. Typ. Max. Units
1.0 MHours
UL 1950, EN 60950, IEC 60950
hSafety Approvals
UL, cUL; File No. E245422
SAbsolute Maximum Ratings
taParameter
Conditions
Min. Typ. Max. Units
a12 VDC Input -0.7
25.0
Input Voltage Surge (1 Sec)
24 VDC Input -0.7
50.0 VDC
.D48 VDC Input -0.7
100.0
wLead Temperature
1.5 mm From Case For 10 Sec.
260 ºC
wInternal Power Dissipation
All Models
2500
mW
wCaution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.









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LF31xRW Даташит, Описание, Даташиты
Model Selection Guide
Model
Voltage (VDC)
Number
Nominal Range
Input
Current (mA) Reflected
Full-Load
No-Load
Ripple
(mA, Typ)
Voltage
(VDC)
Output
Current
(mA, Max)
Current
(mA, Min)
Efficiency
(%, Typ)
Fuse Rating
Slow-Blow
(mA)
LF301RW 12 9.0 - 18.0 257
20
25 3.3 700.0 70.0
75
750
LF302RW 12 9.0 - 18.0 316
20
25 5.0 600.0 60.0
79
750
LF303RW 12 9.0 - 18.0 305
20
25 12.0
250.0
25.0
82
750
LF304RW 12 9.0 - 18.0 305
20
25 15.0
200.0
20.0
82
750
LF305RW 12 9.0 - 18.0 321
20
25 ±5.0 ±300.0 ±30.0
78
750
LF306RW 12 9.0 - 18.0 309
20
25 ±12.0 ±125.0
±12.5
81
750
LF307RW 12 9.0 - 18.0 309
20
25 ±15.0 ±100.0
±10.0
81
750
LF311RW
24 18.0 - 36.0 127
5
15 3.3 700.0 70.0
76
350
LF312RW
24 18.0 - 36.0 156
5
15 5.0 600.0 60.0
80
350
LF313RW
24 18.0 - 36.0 151
5
15 12.0
250.0
25.0
83
350
LF314RW
24 18.0 - 36.0 151
5
15 15.0
200.0
20.0
83
350
LF315RW
24 18.0 - 36.0 158
5
15 ±5.0 ±300.0 ±30.0
79
350
LF316RW
24 18.0 - 36.0 152
5
15 ±12.0 ±125.0
±12.5
82
350
LF317RW
24 18.0 - 36.0 152
5
15 ±15.0 ±100.0
±10.0
82
350
LF321RW
48 36.0 - 75.0
63
3
10 3.3 700.0 70.0
76
200
LF322RW
48 36.0 - 75.0
78
3
10 5.0 600.0 60.0
80
200
LF323RW
48 36.0 - 75.0
75
3
10 12.0
250.0
25.0
83
200
LF324RW
48 36.0 - 75.0
75
3
10 15.0
200.0
20.0
83
200
LF325RW
48 36.0 - 75.0
79
3
10 ±5.0 ±300.0 ±30.0
79
200
LF326RW
48 36.0 - 75.0
79
3
10 ±12.0 ±125.0
±12.5
82
200
LF327RW
48 36.0 - 75.0
76
3
10 ±15.0 ±100.0
±10.0
82
200
Notes:
Derating Curve
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 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 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 12V input units a 3.3 μF is recommended, 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.
Capacitive Load
Single Output Dual Output
μF Max
μF Max
Pin Connections
Pin Single Dual
1 -Vin -Vin
Mechanical Dimensions
4,700
±180
2 -Vin -Vin
3 NC NC
Board Layout
10 NC Common
11 NC
NC
12 NC -Vout
13 +Vout +Vout
14 NC
NC
15 -Vout Common
22 NC
NC
23 +Vin +Vin
24 +Vin +Vin
NC: No Connection
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
▪ Leads are tin plated for improved solderability.
MicroPower Direct
www.micropowerdirect.com
232 Tosca Drive Stoughton, MA 02072
TEL: (781) 344-8226 FAX: (781) 344-8481 E-Mail: [email protected]










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Номер в каталогеОписаниеПроизводители
LF31xRWLF300RE Series / DC/DC ConvertersMicroPower Direct
MicroPower Direct

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