SQM48T/S20 DC-DC Converter Data Sheet
36-75 VDC Input; 1.2-3.3 VDC @ 20A Outputs
SQM48T/S20018 (1.8 Volt Out)
2.0
1.5
1.0
0.5
0
0
5
10
15
20
25
30
Iout [Adc]
Fig. 1.8V.11: Output voltage vs. load current showing
current limit point and converter shutdown point. Input
voltage has almost no effect on current limit
characteristic.
Fig. 1.8V.12: Load current (top trace, 20 A/div.,
20 ms/div.) into a 10 m ? short circuit during restart, at
Vin = 48 V. Bottom trace (20 A/div., 1 ms/div.) is an
expansion of the on-time portion of the top trace.
MCD10208 Rev. 1.0, 08-Jul-10
Page 23 of 33
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