ISL8014AEVAL2Z datasheet(6/16 Pages) RENESAS

номер детали	ISL8014AEVAL2Z

подробное описание детали	4A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

PDF	16 Pages

Scroll/Zoom	100%

производитель	RENESAS [Renesas Technology Corp]

домашняя страница	http://www.renesas.com

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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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