ISL6558EVAL1Z Intersil, ISL6558EVAL1Z Datasheet - Page 12

• Manufacturer Part Number: ISL6558EVAL1Z
• Description: EVAL BOARD 1 FOR ISL6558
• Manufacturer: Intersil

Specifications of ISL6558EVAL1Z

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Application Note 1029
1. Transient Response with Lo = 400nH
V
(4 Turns)
O
Note that the measurement is taken without having the
C300 (1000µF) input capacitor on the board. The
transient response with 400nH output inductance is
shown in Figures 15 to 18.
V
O
I
(28A/DIV)
O
I
(28A/DIV)
O
I
IN
FIGURE 17. EXPANSION OF STEP-DOWN TRANSIENTS
V
O
FIGURE 15. TRANSIENT RESPONSE WITH DROOP
I
(28A/DIV)
O
V
O
I
IN
I
(28A/DIV)
O
FIGURE 18. TRANSIENT RESPONSE WITHOUT DROOP
FIGURE 16. EXPANSION OF STEP-UP TRANSIENTS
12
AN1029.3
July 31, 2009