ISL85415 查看數據表（PDF） - Renesas Electronics

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产品描述 (功能)

生产厂家

ISL85415

Wide VIN 500mA Synchronous Buck Regulator

Renesas Electronics 

ISL85415

fSW = 800kHz, TA = +25°C (Continued)

5.018

5.016

5.014

5.012

VIN = 15V

VIN = 12V

VIN = 6V

5.010

5.008

VIN = 24V

5.006

5.004

0

VIN = 33V

0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

Output Load (A)

Figure 12. VOUT Regulation vs Load, PWM, VOUT = 5V

3. Efficiency Curves

5.020

5.015

VIN = 6V

5.010

5.005

5.000

VIN = 33V

VIN = 24V

VIN = 12V

4.995

4.990

VIN = 15V

4.985

4.980

4.975

0

0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

Output Load (A)

Figure 13. VOUT Regulation vs Load, PFM, VOUT = 5V

3.336

3.334

VIN = 15V

3.332

3.330

VIN = 12V

VIN = 5V

3.328

3.326

VIN = 24V

3.324

3.322

0

VIN = 33V

0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

Output Load (A)

Figure 14. VOUT Regulation vs Load, PWM, VOUT = 3.3V

3.345

3.340

3.335

3.330

VIN = 33V

VIN = 24V

VIN = 12V

VIN = 5V

VIN = 15V

3.325

3.320

3.315

3.310

0

0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

Output Load (A)

Figure 15. VOUT Regulation vs Load, PFM, VOUT = 3.3V

1.777

1.776

1.775

VIN = 15V

1.774

1.773

VIN = 12V

1.772

1.771 VIN = 5V

1.770

1.769

0

VIN = 33V

VIN = 24V

0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

Output Load (A)

Figure 16. VOUT Regulation vs Load, PWM, VOUT = 1.8V

1.785

1.780

1.775

VIN = 5V

VIN = 15V

1.770

1.765

1.760

VIN = 12V

VIN = 24V

VIN = 33V

1.755

0

0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

Output Load (A)

Figure 17. VOUT Regulation vs Load, PFM, VOUT = 1.8V

FN8373 Rev.5.01

Jun.4.20

Page 11 of 30

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