ISL8014IRZ datasheet(7/16 Pages) INTERSIL

Part #	ISL8014IRZ

Description	Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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7

FN6576.4

November 23, 2009

ISL8014

FIGURE 9. POWER DISSIPATION WITH NO LOAD vs

VIN (PFM VOUT = 1.8V)

FIGURE 10. VOUT REGULATION vs LOAD (1MHz,

VOUT = 1.2V)

FIGURE 11. VOUT REGULATION vs LOAD (1MHz,

VOUT = 1.5V)

FIGURE 12. VOUT REGULATION vs LOAD (1MHz,

VOUT = 1.8V)

FIGURE 13. VOUT REGULATION vs LOAD (1MHz,

VOUT = 2.5V)

FIGURE 14. VOUT REGULATION vs LOAD (1MHz,

VOUT = 3.3V)

Typical Operating Performance (Unless otherwise noted, operating conditions are: T

A = +25°C,

VVIN = 2.5V to 5.5V, EN = VIN, SYNCH = 0V, L = 1.5µH,

C1 = 2x22µF, C2 = 2x22µF, IOUT = 0A to 4A). (Continued)

0

0.05

0.10

0.15

0.20

0.25

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN (V)

1.16

1.17

1.18

1.19

1.20

1.21

1.22

1.23

1.24

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUTPUT LOAD (A)

5VIN-PWM

5VIN-PFM

3.3VIN-PWM

3.3VIN-PFM

1.47

1.48

1.49

1.50

1.51

1.52

1.53

1.54

1.55

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUTPUT LOAD (A)

5VIN-PWM

5VIN-PFM

3.3VIN-PWM

3.3VIN-PFM

1.75

1.76

1.77

1.78

1.79

1.80

1.81

1.82

1.83

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUTPUT LOAD (A)

5VIN-PWM

5VIN-PFM

3.3VIN-PWM

3.3VIN-PFM

0.00.5

1.01.5

2.02.5

3.03.5

4.0

OUTPUT LOAD (A)

5VIN-PWM

5VIN-PFM

3.3VIN-PWM

3.3VIN-PFM

2.44

2.45

2.46

2.47

2.48

2.49

2.50

2.51

2.52

3.28

3.29

3.30

3.31

3.32

3.33

3.34

3.35

3.36

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUTPUT LOAD (A)

5VIN-PWM

5VIN-PFM

4.5VIN-PWM

4.5VIN-PFM

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