XL4016 原厂资料(5)

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8A 180KHz 40V Buck DC to DC Converter

XL4016

Typical System Application (VOUT=5V/8A)

Figure5. XL4016 System Parameters Test Circuit (VIN=8V~40V, VOUT=5V/8A)

Efficiency VS Load current

100959085

Efficiency(%)

80757065605550

Load current(A)

Figure6. XL4016 System Efficiency Curve

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8A 180KHz 40V Buck DC to DC Converter

XL4016

Typical System Application (VOUT=12V/6A)

Figure7. XL4016 System Parameters Test Circuit (VIN=15V~40V, VOUT=12V/6A)

Efficiency VS Load current

10095

9085

Efficiency(%)

807570656055500.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Load current(A)

Figure8. XL4016 System Efficiency Curve

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8A 180KHz 40V Buck DC to DC Converter XL4016

Typical System Application (With Enable function)

Logic level signal shutdown function can be used in typical system application with external

components. When the TTL high voltage above 3.3V(referenced to ground, lower than VIN), the converter will shutdown, input current less than 3mA; when the TTL

Low voltage below 0.8V(referenced to ground), the converter will turn on.

L1 47uH/12A

Figure9. XL4016 Typical Application Circuit with Enable Function