ISL8023AIRTAJZ-T7A Intersil, ISL8023AIRTAJZ-T7A Datasheet - Page 12

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ISL8023AIRTAJZ-T7A

Manufacturer Part Number
ISL8023AIRTAJZ-T7A
Description
ISL8023 Series 2.7 - 5.5 V 3 A 4 Mhz Buck Regulator - TQFN-16
Manufacturer
Intersil
Datasheet
Typical Operating Performance
SYNC = V IN , L = 1.0µH, C 1 = 22µF, C 2 = 2 x 22µF, I
Typical Operating Performance for A Part
T
A
FIGURE 29. STEADY STATE OPERATION AT NO LOAD WITH
= +25°C, V
FIGURE 33. STEADY STATE OPERATION AT NO LOAD (PWM)
VIN
FREQUENCY = 4MHz
FIGURE 31. OUTPUT SHORT CIRCUIT
= 5V, EN = V
V
PHASE 5V/Div
IN
OUT
V
V
SYNC 5V/Div
, SYNC = V IN , L = 1.0µH, C 1 = 22µF, C 2 = 2 x 22µF, I
I
L
OUT
OUT
12
SYNC 5V/Div
RIPPLE 20mV/Div
2A/Div
PHASE 5V/Div
PHASE 2V/Div
I
L
RIPPLE 20mV/Div
1V/Div
I
L
0.2A/Div
0.5A/Div
OUT
= 0A to 4A
ISL8023, ISL8024
.
(Continued)
Unless otherwise noted, operating conditions are: T
FIGURE 30. STEADY STATE OPERATION AT FULL LOAD (PWM) WITH
OUT
FIGURE 34. STEADY STATE OPERATION AT NO LOAD (PFM)
= 0A to 4A.
FIGURE 32. OUTPUT SHORT CIRCUIT RECOVERY
Unless otherwise noted, operating conditions are:
FREQUENCY = 4MHz
V
OUT
PHASE 2V/Div
SYNC 5V/Div
PHASE 5V/Div
I
L
PHASE 5V/Div
RIPPLE 20mV/Div
V
SYNC 5V/Div
1A/Div
I
OUT
V
L
I
L
OUT
1A/Div
A
2A/Div
1V/Div
= +25°C, V
RIPPLE 20mV/Div
VIN
= 5V, EN = V IN ,
May 17, 2012
FN7812.2

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