ISL8013AEVAL2Z 查看數據表（PDF） - Renesas Electronics

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ISL8013AEVAL2Z

3A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

Renesas Electronics 

ISL8013A

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)

1.24

1.55

1.23

1.22 3.3VIN-PFM

1.54 3.3VIN-PFM

1.53

1.21

1.52

1.20

1.51

1.19

1.18

1.17

5VIN-PFM

5VIN-PWM 3.3VIN-PWM

1.50

1.49

1.48

5VIN-PWM

5VIN-PFM

3.3VIN-PWM

1.16

0.0

0.5

1.0

1.5

2.0

2.5

3.0

OUTPUT LOAD (A)

1.47

0.0

0.5

1.0

1.5

2.0

2.5

3.0

OUTPUT LOAD (A)

FIGURE 9. VOUT REGULATION vs LOAD (1MHz, VOUT = 1.2V)

FIGURE 10. VOUT REGULATION vs LOAD (1MHz, VOUT = 1.5V)

1.83

1.82

1.81

3.3VIN-PFM

5VIN-PWM

1.80

1.79

1.78 3.3VIN-PWM

1.77

5VIN-PFM

1.76

1.75

0.0

0.5

1.0

1.5

2.0

2.5

3.0

OUTPUT LOAD (A)

FIGURE 11. VOUT REGULATION vs LOAD (1MHz, VOUT = 1.8V)

2.52

2.51

3.3VIN-PFM

2.50

3.3VIN-PWM

2.49

2.48

2.47

2.46

2.45

5VIN-PFM

5VIN-PWM

2.44

0.0

0.5

1.0

1.5

2.0

2.5

3.0

OUTPUT LOAD (A)

FIGURE 12. VOUT REGULATION vs LOAD (1MHz, VOUT = 2.5V)

3.36

3.35

3.34

4.5VIN-PWM

5VIN-PWM

3.33

3.32

3.31

3.30

3.29

5VIN-PFM

4.5VIN-PFM

3.28

0.0

0.5

1.0

1.5

2.0

2.5

3.0

OUTPUT LOAD (A)

FIGURE 13. VOUT REGULATION vs LOAD (1MHz, VOUT = 3.3V)

FN7526 Rev 2.00

November 17, 2014

Page 7 of 16

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