ISL8013A

FN7526 Rev 2.01

Page 9 of 17

Dec 3, 2021

FIGURE 14. OUTPUT VOLTAGE REGULATION vs VIN

(PWM VOUT = 1.8 )

FIGURE 15. OUTPUT VOLTAGE REGULATION vs VIN

(PFM VOUT = 1.8V)

FIGURE 16. STEADY STATE OPERATION AT NO LOAD (PWM)

FIGURE 17. STEADY STATE OPERATION AT NO LOAD (PFM)

FIGURE 18. STEADY STATE OPERATION WITH FULL LOAD

FIGURE 19. MODE TRANSITION CCM TO DCM

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. (Continued)

1.750

1.760

1.770

1.780

1.790

1.800

1.810

1.820

1.830

2.02.5

3.03.5

4.04.5

5.05.5

INPUT VOLTAGE (V)

3A LOAD PWM

0A LOAD PWM

1.750

1.760

1.770

1.780

1.790

1.800

1.810

1.820

1.830

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE (V)

3A LOAD

0A LOAD

LX 2V/DIV

VOUT RIPPLE 20mV/DIV

IL 0.5A/DIV

LX 2V/DIV

VOUT RIPPLE 20mV/DIV

IL 0.5A/DIV

LX 2V/DIV

VOUT RIPPLE 20mV/DIV

IL 1A/DIV

LX 2V/DIV

VOUT RIPPLE 50mV/DIV

IL 1A/DIV