ISL8502A Просмотр технического описания (PDF) - Renesas Electronics

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ISL8502A

2A Synchronous Buck Regulator with Integrated MOSFETs

Renesas Electronics 

ISL8502A

Typical Performance Curves VIN = 12V, VOUT = 2.5V, IO = 2A, fs = 500kHz, L = 4.7µH, CIN = 20µF,

COUT = 100µF + 22µF, TA = +25° C, unless otherwise noted. (Continued)

2.515

3.355

3.354

2.513

2.511

14VIN

3.353

3.352

3.351

3.350

14VIN

5VIN

2.509

3.349

2.507

5VIN

9VIN

3.348

3.347

3.346

9VIN

2.505

0

1

2

OUTPUT LOAD (A)

FIGURE 11. VOUT REGULATION vs LOAD (VOUT = 2.5V, 500kHz)

3.345

0

1

2

OUTPUT LOAD (A)

FIGURE 12. VOUT REGULATION vs LOAD (VOUT = 3.3V, 500kHz)

5.030

5.028

5.026

7VIN

5.024

5.022

14VIN

9VIN

5.020

0

1

2

OUTPUT LOAD (A)

FIGURE 13. VOUT REGULATION vs LOAD (VOUT = 5V, 500kHz)

2.0

1.8

1.6

1.4

1.2

14VIN

1.0

0.8

0.6

0.4

5VIN

9VIN

0.2

0.0

0

1

2

OUTPUT LOAD (A)

FIGURE 14. POWER DISSIPATION vs LOAD (VOUT = 0.6V, 500kHz)

2.0

1.8

1.6

1.4

1.2

1.0

0.8

14VIN

0.6

5VIN

0.4

0.2

9VIN

0.0

0

1

2

OUTPUT LOAD (A)

FIGURE 15. POWER DISSIPATION vs LOAD (VOUT = 1.2V, 500kHz)

2.5

2.0

1.5

1.0

14VIN

0.5

5VIN

0.0

0

9VIN

1

2

OUTPUT LOAD (A)

FIGURE 16. POWER DISSIPATION vs LOAD (VOUT = 1.5V, 500kHz)

FN7940 Rev 0.00

October 21, 2011

Page 9 of 20

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