ISL8014AEVAL2Z datasheet(6/16 Pages) RENESAS

6 / 16 page

ISL8014A

FN7525 Rev 2.00

Page 6 of 16

December 16, 2014

Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 2.5V to 5.5V, EN = VIN,

SYNCH = 0V, L = 1.5µH, C1 = 2x22µF, C2 = 2x22µF, IOUT = 0A to 4A.

FIGURE 1. EFFICIENCY vs LOAD (1MHz 3.3 VIN PWM)

FIGURE 2. EFFICIENCY vs LOAD (1MHz 3.3 VIN PFM)

FIGURE 3. EFFICIENCY vs LOAD (1MHz 5VIN PWM)

FIGURE 4. EFFICIENCY vs LOAD (1MHz 5VIN PFM)

FIGURE 5. POWER DISSIPATION vs LOAD (1MHz, VOUT = 1.8V)

FIGURE 6. POWER DISSIPATION WITH NO LOAD vs VIN

(PWM VOUT = 1.8V)

100

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUTPUT LOAD (A)

2.5VOUT-PWM

1.8VOUT-PWM

1.5VOUT-PWM

1.2VOUT-PWM

100

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

OUTPUT LOAD (A)

2.5VOUT-PFM

1.8VOUT-PFM 1.5VOUT-PFM 1.2VOUT-PFM

100

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUTPUT LOAD (A)

2.5VOUT-PWM

1.8VOUT-PWM

1.5VOUT-PWM

1.2VOUT-PWM

3.3VOUT-PWM

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0.0

0.1

0.20.3

0.40.5

0.60.7

0.80.9

1.0

OUTPUT LOAD (A)

2.5VOUT-PFM

1.8VOUT-PFM

1.5VOUT-PFM

1.2VOUT-PFM

3.3VOUT-PFM

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

0.00.5

1.01.5

2.02.5

3.0

OUTPUT LOAD (A)

5VIN-PFM

5VIN-PWM

3.3VIN-PFM

3.3VIN-PWM

100

125

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN (V)

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