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JF24S12-1250 Datasheet, PDF (7/15 Pages) Wall Industries,Inc. – DC/DC Converter
TECHNICAL DATASHEET
JF24S12-1250
Graph 1: Efficiency vs. Output Current
90
85
80
36Vin
75
24Vin
18Vin
70
65
60
125
250
375
500
625
750
875
1000 1125 1250
Output Current, Iout (mA)
Graph 3: Output Current vs. Ambient Temperature & Airflow
1.40
1.20
1.00
0.80
0.60
0.40
Natural convection
1.0m/s(200LFM)
2.0m/s(400LFM)
3.0m/s(600LFM)
0.20
0.00
-40 -20
0
20 40 60 80 100
Ambient Temperature, Ta (°C)
Graph 5: Typical Input Start-Up and Output Rise Characteristic
Graph 2: Efficiency vs. Input Voltage (Io=Full Load)
87
86.5
86
85.5
85
84.5
84
83.5
83
18 20 22 24 26 28 30 32 34 36
Input Voltage, Vin (V)
Graph 4: Conducted Emission of EN55022 Class B
(Nominal Vin, Io = Full Load)
Frequency (MHz)
Graph 6: Typical Output Ripple and Noise
(Nominal Vin, Io = Full Load)
(888) 597-WALL
www.wallindustries.com
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