ISL8023AIRTAJZ-T7A Intersil, ISL8023AIRTAJZ-T7A Datasheet - Page 8

• 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 9. POWER DISSIPATION vs LOAD (1MHz, V
100
100
1.08
0.90
0.72
0.54
0.36
0.18
90
80
70
60
50
40
90
80
70
60
50
40
FIGURE 5. EFFICIENCY vs LOAD (1MHz 3.3 V
0.0
0
0.0
FIGURE 7. EFFICIENCY vs LOAD (1MHz 5V
0.0
1.2V
0.5
0.5
3.3V
1.2V
0.5
OUT
OUT
OUT
3.3V
1.0
1.0
1.0
IN
1.5V
1.5V
PWM MODE
1.5
1.5
1.5
OUT
OUT
I
8
I
OUT
OUT
I
OUT
2.0
2.0
2.0
(A)
(A)
1.8V
(A)
1.8V
OUT
2.5
2.5
OUT
2.5
OUT
5V
3.0
3.0
IN
IN
3.0
= 0A to 4A
IN
PWM MODE
PWM)
OUT
ISL8023, ISL8024
2.5V
PWM)
2.5V
3.5
3.5
OUT
3.5
= 1.8V)
OUT
.
4.0
4.0
4.0
Unless otherwise noted, operating conditions are: T
FIGURE 10. V
1.244
1.238
1.232
1.226
1.220
1.214
1.208
100
100
90
80
70
60
50
40
90
80
70
60
50
40
FIGURE 6. EFFICIENCY vs LOAD (1MHz 3.3 V
0.0
0.0
0.0
FIGURE 8. EFFICIENCY vs LOAD (1MHz 5V
1.2V
3.3V
1.2V
OUT
0.5
0.5
IN
OUT
0.5
PWM MODE
OUT
1.0
REGULATION vs LOAD (1MHz, V
1.0
1.5V
1.0
1.5V
5V
OUT
IN
3.3V
OUT
1.5
1.5
PFM MODE
1.5
I
OUT
IN
I
I
OUT
OUT
1.8V
PFM MODE
(A)
1.8V
2.0
2.0
2.0
(A)
(A)
OUT
A
OUT
= +25°C, V
2.5
2.5
2.5
2.5V
5V
IN
OUT
3.0
3.0
PWM MODE
3.0
2.5V
IN
VIN
IN
OUT
PFM)
PFM)
= 5V, EN = V IN ,
OUT
3.3V
3.5
3.5
= 1.2V)
3.5
May 17, 2012
OUT
FN7812.2
4.0
4.0
4.0