ISL8013A

FN7526 Rev 2.01

Page 7 of 17

Dec 3, 2021

Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VIN = 2.5V to 5.5V, EN = VIN,

SYNCH = 0V, L = 1.5µH, C1 = 2x22µF, C2 = 2x22µF, IOUT = 0A to 3A.

FIGURE 3. EFFICIENCY vs LOAD (1MHz 3.3 VIN PWM)

FIGURE 4. EFFICIENCY vs LOAD (1MHz 3.3 VIN PFM)

FIGURE 5. EFFICIENCY vs LOAD (1MHz 5VIN PWM)

FIGURE 6. EFFICIENCY vs LOAD (1MHz 5VIN PFM)

FIGURE 7. POWER DISSIPATION vs LOAD (1MHz, VOUT = 1.8V)

FIGURE 8. POWER DISSIPATION WITH NO LOAD vs VIN

(PWM VOUT = 1.8V)

40

50

60

70

80

90

100

OUTPUT LOAD (A)

2.5VOUT-PWM

1.8VOUT-PWM

1.5VOUT-PWM

1.2VOUT-PWM

0.0

0.5

1.0

1.5

2.0

2.5

3.0

40

50

60

70

80

90

100

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

OUTPUT LOAD (A)

2.5VOUT-PFM

1.8VOUT-PFM

1.5VOUT-PFM

1.2VOUT-PFM

0.0

0.5

1.0

1.5

2.0

2.5

3.0

40

50

60

70

80

90

100

OUTPUT LOAD (A)

2.5VOUT-PWM

1.8VOUT-PWM 1.5VOUT-PWM

1.2VOUT-PWM

3.3VOUT-PWM

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0.0

0.1

0.20.3

0.40.5

0.60.7

0.80.9

1.0

OUTPUT LOAD (A)

2.5VOUT-PFM

1.8VOUT-PFM

1.5VOUT-PFM

1.2VOUT-PFM

3.3VOUT-PFM

0

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

0.00.5

1.01.5

2.02.5

3.0

OUTPUT LOAD (A)

5VIN-PFM

5VIN-PWM

3.3VIN-PFM

3.3VIN-PWM

0

25

50

75

100

125

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN (V)