SQM48 Series Data Sheet
SemiQ
SQM48T/S25018 (1.8 Volts Out)
2.0
1.5
1.0
0.5
0
TM
Family 25A DC-DC Converters
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 al-
most no effect on current limit characteristic.
Fig. 1.8V.12: Load current (top trace, 20 A/div., 20 ms/div.) in-
to 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 por-
tion of the top trace.
MCD10085 Rev. 1.1, 08-Jul-10
Page 19 of 30
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