FN9299 Rev.3.1

Page 20 of 53

May 27, 2021

ISL81601

4. Typical Performance Curves

4.

Typical Performance Curves

Oscilloscope plots are taken using the ISL81601EVAL1Z evaluation board, VIN = 9V to 60V, VOUT = 12V, IOUT = 10A unless otherwise

noted.

Figure 7. Shutdown Current vs Temperature

Figure 8. Quiescent Current vs Temperature

Figure 9. VDD Load Regulation at 12V Input

Figure 10. VDD Line Regulation at 20mA Load

Figure 11. VCC5V Load Regulation at 12VIN

Figure 12. VCC5V Line Regulation at 20mA Load

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

-50

0

50

100

150

Temperature (oC)

Vin = 4.5

Vin = 5.6

Vin = 12V

Vin = 60V

3.9

4.0

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

-50

0

50

100

150

Temperature (oC)

Vin = 4.5

Vin = 5.6

Vin = 12V

Vin = 60V

0

1

2

3

4

5

6

7

8

9

020

40

60

80

100

120

140

160

IOUT (mA)

Vin = 12V, Vextbias = 0V

Vextbias = 12V, Vin = 4.5V

3

4

5

6

7

8

9

0

102030405060

70

VIN, VEXTBIAS (V)

VDD vs Vin

VDD vs Vextbias

0

1

2

3

4

5

6

020

40

60

80

100

120

140

Load Current (mA)

4.4

4.5

4.6

4.7

4.8

4.9

5.0

4.0

4.5

5.0

5.5

6.0

6.5

7.0

7.5

8.0

VDD (V)