isl8036 Intersil Corporation, isl8036 Datasheet - Page 17

• Manufacturer Part Number: isl8036
• Description: Dual 3a 1mhz/2.5mhz High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

ISL8036 Typical Operating Performance for Current Sharing PWM
Operation
Unless otherwise noted, operating conditions are: V
FIGURE 42. EFFICIENCY vs LOAD, V
FIGURE 44. POWER DISSIPATION vs LOAD, 1.8V,
FIGURE 46. V
100
1.815
1.810
1.805
1.800
1.795
1.790
1.785
90
80
70
60
50
40
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
0
0
2.5V
T
T
T
2.7V
A
A
A
OUT
1
OUT
= +25°C
= +25°C
= -40°C
1
1
IN
1.5V
REGULATION vs LOAD, 1.8V,
5V
OUTPUT LOAD (A)
2
OUT
3.3V
IN
OUTPUT LOAD (A)
OUTPUT LOAD (A)
2
2
1.2V
17
IN
OUT
3
5V
3
3
IN
IN
4
4
1.8V
4
= 3.3V,
2.7V
OUT
IN
ISL8036, ISL8036A
5
3.3V
5
5
OUT
IN
6
= 1.8V, I
6
6
OUT1
FIGURE 43. EFFICIENCY vs LOAD, V
FIGURE 45. V
FIGURE 47. V
1.820
1.815
1.810
1.805
1.800
1.795
1.790
1.820
1.815
1.810
1.805
1.800
1.795
1.790
+ I
100
90
80
70
60
50
40
OUT2
0
0
0
3.3V
= 0A to 6A, F
T
T
T
A
A
A
OUT
3.3V
OUT
2.7V
= +25°C
= +25°C
= +85°C
OUT
1
2.5V
1
1
IN
REGULATION vs LOAD, 1.8V,
REGULATION vs LOAD, 1.8V,
IN
OUT
2.7V
OUTPUT LOAD (A)
2
1.5V
OUTPUT LOAD (A)
OUTPUT LOAD (A)
3.3V
2
2
SW
IN
= 1MHz.
OUT
IN
3
3
3
1.2V
5V
IN
OUT
IN
5V
= 5V,
4
4
4
IN
1.8V
October 18, 2010
OUT
5
5
5
FN6853.1
6
6
6