ISL8023AIRTAJZ-T7A Intersil, ISL8023AIRTAJZ-T7A Datasheet - Page 10

• Manufacturer Part Number: ISL8023AIRTAJZ-T7A
• Description: ISL8023 Series 2.7 - 5.5 V 3 A 4 Mhz Buck Regulator - TQFN-16
• Manufacturer: Intersil

Typical Operating Performance
SYNC = V IN , L = 1.0µH, C 1 = 22µF, C 2 = 2 x 22µF, I
FIGURE 17. STEADY STATE OPERATION AT NO LOAD (PWM)
FIGURE 19. STEADY STATE OPERATION WITH FULL LOAD
FIGURE 21. LOAD TRANSIENT (PFM)
V
V
OUT
V
OUT
OUT
10
PHASE 2V/Div
RIPPLE 50mV/Div
I
PHASE 2V/Div
RIPPLE 20mV/Div
I
L
L
RIPPLE 20mV/Div
I
L
2A/Div
2A/Div
1A/Div
OUT
= 0A to 4A
ISL8023, ISL8024
.
(Continued)
Unless otherwise noted, operating conditions are: T
FIGURE 18. STEADY STATE OPERATION AT NO LOAD (PFM)
FIGURE 22. SOFT-START WITH NO LOAD (PWM)
FIGURE 20. LOAD TRANSIENT (PWM)
V
OUT
RIPPLE 50mV/Div
PHASE 2V/Div
I
L
I
2A/Div
V
L
OUT
1A/Div
A
= +25°C, V
RIPPLE 20mV/Div
V
OUT
EN 2V/Div
I
PG 5V/Div
L
VIN
1V/Div
1A/Div
= 5V, EN = V IN ,
May 17, 2012
FN7812.2