MIC28512 datasheet(8/34 Pages) MICROCHIP

8 / 34 page

MIC28512

DS20005524A-page 8

 2016 Microchip Technology Inc.

FIGURE 2-7:

Output Voltage vs. Input

Voltage.

FIGURE 2-8:

Enable Threshold vs.

Temperature.

FIGURE 2-9:

Switching Frequency vs.

Output Current.

FIGURE 2-10:

Output Voltage vs. Output

Current.

FIGURE 2-11:

Efficiency (VIN = 12V) vs.

Output Current MIC28512-1.

FIGURE 2-12:

Efficiency (VIN = 24V) vs.

Output Current MIC28512-1.

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5 10152025303540 455055606570

INPUT VOLTAGE (V)

VOUT

= 5V

IOUT

= 1A

FSW= 300kHz

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

-50

-25

255075

100

125

TEMPERATURE (°C)

Falling

Rising

VIN= 12V

VDD= 5V

100

150

200

250

300

350

400

450

500

550

600

0.0

0.5

1.0

1.5

2.0

OUTPUT CURRENT (A)

VIN= 12V

VOUT

= 5V

4.8

4.9

5.0

5.1

5.2

0.0

0.5

1.0

1.5

2.0

OUTPUT CURRENT (A)

VIN= 12V

VOUT

= 5V

100

0.01

0.1

OUTPUT CURRENT (A)

5.0V

3.3V

FSW= 300kHz

100

0.01

0.1

OUTPUT CURRENT (A)

5.0V

3.3V

FSW

= 300kHz

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