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MDC_ICF_A01 Page 13 of 16

ICF Series

Wide Input 1000 Watt Isolated Full Brick DC-DC

Characteristic Waveforms – ICF0536V1

Fig. 17: Turn-on by ON/OFF transient (Vin applied) at full rated load current

(resistive) at Vin = 24V. Top trace (C1): ON/OFF signal (5 V/div.). Bottom

trace (C4): Output voltage (10 V/div.). Time: 5 ms/div.

Fig. 19: Output voltage response to load current step change 50% - 75%-

50% (18A–28.5A–18A) with di/dt =1A/µs at Vin = 24V . Top trace (C4):

Output voltage (200 mV/div.). Bottom trace (C3): Load current (10A/div.).

Co = 470µF/70m . Time: 1ms/div.

Fig. 21: Output voltage ripple (100 mV/div.) at full rated load current into a

resistive load at Vin = 24 V. Co = 470 µF/70m . Time: 2 µs/div.

Fig. 18: Turn-on by Vin (ON/OFF high) transient at full rated load current

(resistive) at Vin = 24V. Top trace (C2): Input voltage Vin (10 V/div.).

Bottom trace (C4): Output voltage (10 V/div.). Time: 100 ms/div.

Fig. 20: Output voltage response to load current step change 50% - 100%-

50% (18A–36A–18A) with di/dt =1A/µs at Vin = 24V . Top trace (C4): Output

voltage (500 mV/div.). Bottom trace (C3): Load current (10A/div.).

Co =

470 µF/70m . Time: 1ms/div.

Fig. 22: Input reflected ripple current, ic (500 mA/div.), measured at input

terminals at full rated load current at Vin = 24 V. Refer to Fig. 2 for test