ISL8023AIRTAJZ-T7A Intersil, ISL8023AIRTAJZ-T7A Datasheet - Page 13

• 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 for A Part
T
A
= +25°C, V
FIGURE 35. STEADY STATE OPERATION WITH FULL LOAD
VIN
FIGURE 37. SOFT-START AT NO LOAD (PFM)
= 5V, EN = V
IN
V
, SYNC = V IN , L = 1.0µH, C 1 = 22µF, C 2 = 2 x 22µF, I
OUT
13
PHASE 2V/Div
I
RIPPLE 20mV/Div
L
2A/Div
PG 5V/Div
V
OUT
I
EN 2V/Div
FIGURE 39. SOFT-DISCHARGE SHUTDOWN
L
1A/Div
ISL8023, ISL8024
I
PG 5V/Div
1V/Div
L
V
EN 2V/Div
OUT
1A/Div
1V/Div
OUT
= 0A to 4A. (Continued)
FIGURE 36. SOFT-START WITH NO LOAD (PWM)
Unless otherwise noted, operating conditions are:
FIGURE 38. SOFT-START AT FULL LOAD
PG 5V/Div
I
L
EN 2V/Div
V
1A/Div
OUT
PG 5V/Div
V
1V/Div
OUT
EN 2V/Div
I
L
1A/Div
1V/Div
May 17, 2012
FN7812.2