ISL8025 Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Fabricante

ISL8025

Compact Synchronous Buck Regulators

Intersil 

ISL8025, ISL8025A

Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 5V,

EN = VIN, SYNC = VIN, L = 1.0µH, C1 = 22µF, C2 = 2 x 22µF, IOUT = 0A to 5A. (Continued)

1.815

1.810

1.805

1.800

5VIN PFM

5VIN PWM

3.3VIN PWM

3.3VIN PFM

2.505

2.500

2.495

2.490

5VIN PFM

5VIN PWM

3.3VIN PWM

3.3VIN PFM

1.795

2.485

1.790

2.480

1.785

2.475

1.780

2.470

1.775

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

OUTPUT LOAD (A)

FIGURE 16. VOUT REGULATION vs LOAD (1MHz, VOUT = 1.8V)

2.465

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

OUTPUT LOAD (A)

FIGURE 17. VOUT REGULATION vs LOAD (1MHz, VOUT = 2.5V)

3.309

3.301

3.293

5VIN PFM

5VIN PWM

3.285

3.277

3.269

3.261

3.253

3.245

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

OUTPUT LOAD (A)

FIGURE 18. VOUT REGULATION vs LOAD (1MHz, VOUT = 3.3V)

10

FN8357.0

February 20, 2013

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