EL7563 INTERSIL [Intersil Corporation], EL7563 Datasheet - Page 8

• Manufacturer Part Number: EL7563
• Description: Monolithic 4 Amp DC:DC Step-Down Regulator
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Performance Curves (20 Pin SO Package)
NOTE: The 28-Pin HTSSOP Package Offers Improved Performance
∆VIN
∆V
V
EN
V
LX
i
O
O
L
FIGURE 15. SWITCHING WAVEFORMS
V
V
V
IN
IN
IN
=3.3V, V
=3.3V, V
=3.3V, V
FIGURE 17. POWER-UP
FIGURE 19. ENABLE
O
O
O
=1.8V, I
=1.8V, I
=1.8V AT 4A
O
O
=4A
=0.2A
8
EL7563
(Continued)
∆V
V
V
EN
V
I
IN
O
O
O
O
V
V
V
FIGURE 16. TRANSIENT RESPONSE
IN
IN
IN
=3.3V, V
=3.3V, V
=3.3V, V
FIGURE 18. POWER-DOWN
FIGURE 20. DISABLE
O
O
O
=1.8V AT 4A
=1.8V, I
=1.8V, I
O
O
=0.2A-4A
=4A
May 13, 2005
FN7296.2