MCP1612-ISLASHMS datasheet(6/22 Pages) MICROCHIP

6 / 22 page

MCP1612

DS21921B-page 6

2.0

TYPICAL PERFORMANCE CURVES

Note: Unless otherwise indicated, VIN = VCC = VSHDN = 3.3V, COUT = CIN = 10 µF, L = 3.3 µH, ILOAD = 100 mA,

TA =+25°C. Boldface specifications apply over the TA range of -40°C to +85°C.

FIGURE 2-1:

Efficiency vs. Load Current,

VIN = 3.3V.

FIGURE 2-2:

Efficiency vs. Load Current,

VIN = 5.0V.

FIGURE 2-3:

Output Voltage vs.

Load Current.

FIGURE 2-4:

Dropout Voltage vs.

Load Current.

FIGURE 2-5:

Input Quiescent Current vs.

Input Voltage.

FIGURE 2-6:

Oscillator Frequency vs.

Input Voltage.

Note:

The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein

are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

100

1000

Load Current (mA)

VIN = 3.3V

VOUT = 1.2V

VOUT = 2.5V

VOUT = 1.8V

100

1000

Load Current (mA)

VIN = 5.0V

VOUT = 3.3V

VOUT = 2.5V

-1.4

-1.2

-1

-0.8

-0.6

-0.4

-0.2

200

400

600

800

1000

Load Current (mA)

VOUT = 3.3V, VIN = 5.0V

VOUT = 1.8V, VIN = 3.3V

VOUT = 1.2V VIN = 3.3V

0.00

0.10

0.20

0.30

0.40

0.50

200

400

600

800

1000

Load Current (mA)

VOUT = 2.7V

VOUT = 3.3V

3.5

4.0

4.5

5.0

5.5

6.0

6.5

2.5

3.54

4.555.5

Input Voltage (V)

VOUT = 1.8V

TA = -40

TA = +25

TA = +85

1.36

1.37

1.38

1.39

1.40

1.41

1.42

2.5

3.5

4.5

5.5

Input Voltage (V)

A = -40

TA = +25

TA = +85

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