MCP1603-150ISLASHOS datasheet(7/26 Pages) MICROCHIP

7 / 26 page

DS22042A-page 7

MCP1603

2.0

TYPICAL PERFORMANCE CURVES

Note: Unless otherwise indicated, VIN = SHDN =3.6V, COUT =CIN = 4.7 µF, L = 4.7 µH, VOUT(ADJ) = 1.8V, ILOAD = 100 mA,

TA = +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.

FIGURE 2-1:

IQ vs. Ambient Temperature.

FIGURE 2-2:

Efficiency vs. Input Voltage

(VOUT = 1.2V).

FIGURE 2-3:

Efficiency vs. Input Voltage

(VOUT = 1.8V).

FIGURE 2-4:

IQ vs. Input Voltage.

FIGURE 2-5:

Efficiency vs. Output Load

(VOUT = 1.2V).

FIGURE 2-6:

Efficiency vs. Output Load

(VOUT = 1.8V).

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.

-40 -25 -10

20 35 50 65 80 95 110 125

Ambient Temperature (

oC)

VOUT = 1.8V

VIN = 4.2V

VIN = 3.0V

VIN = 3.6V

100

2.7

3.05

3.4

3.75

4.1

4.45

4.8

5.15

5.5

Input Voltage (V)

VOUT = 1.2V

IOUT = 100 mA

IOUT = 500 mA

IOUT = 300 mA

100

2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5

Input Voltage (V)

VOUT = 1.8V

IOUT = 100 mA

IOUT = 500 mA

IOUT = 300 mA

2.7

3.05

3.4

3.75

4.1

4.45

4.8

5.15

5.5

Input Voltage (V)

TA = - 40

TA = +25

TA = +90

100

0.1

100

1000

Output Current (mA)

VOUT = 1.2V

VIN = 4.2V

VIN = 2.7V

VIN = 3.6V

100

0.1

100

1000

Output Current (mA)

VOUT = 1.8V

VIN = 4.2V

VIN = 2.7V

VIN = 3.6V

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