ASQ24 DC-DC Converter Series Data Sheet
18 to 36 VDC Input; 1.0 to 12 VDC Output
ASQ24T/S04120 (12 Volts Out)
i S
10 ? H
i C
Semi Q Family
source
inductance
V source
33 ? F
ESR <1 ?
electrolytic
capacitor
TM
DC/DC
Converter
1 ? F
ceramic
capacitor
Vout
Fig. 12V.14: Test setup for measuring input reflected ripple
currents, i c and i s .
Fig. 12V.13: Output voltage ripple (50 mV/div.) at full rated
load current into a resistive load with Co = 10 ? F tantalum +
1uF ceramic and Vin = 24V. Time scale: 1 ? s/div.
Fig. 12V.15: Input reflected ripple current, i c (100 mA/div.),
measured at input terminals at full rated load current and Vin =
24V. Refer to Fig. 12V.14 for test setup. Time scale: 1 ? s/div.
Fig. 12V.16: Input reflected ripple current, i s (10 mA/div.),
measured through 10 ? H at the source at full rated load current
and Vin = 24V. Refer to Fig. 12V.14 for test setup. Time scale:
1 ? s/div.
MCD10004 Rev. 1.4, 10-Jun-10
Page 12 of 70
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