MCP1602 datasheet(9/26 Pages) MICROCHIP

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DS22061A-page 9

MCP1602

Typical Performance Curves (Continued)

Note: Unless otherwise indicated, V

IN = 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 2-13:

Switching Frequency vs.

Ambient Temperature.

FIGURE 2-14:

Switch Resistance vs. Input

Voltage.

FIGURE 2-15:

Output Voltage Startup

Waveform.

FIGURE 2-16:

Switching Frequency vs.

Input Voltage.

FIGURE 2-17:

Switch Resistance vs.

Ambient Temperature.

FIGURE 2-18:

Heavy Load Switching

Waveform.

1.90

1.92

1.94

1.96

1.98

2.00

-40 -25 -10 5

20 35 50 65 80 95 110 125

Ambient Temperature (°C)

0.2

0.3

0.4

0.5

0.6

2.70 3.05 3.40 3.75 4.10 4.45 4.80 5.15 5.50

Input Voltage (V)

N-Channel

P-Channel

1.85

1.90

1.95

2.00

2.05

2.10

2.70 3.05 3.40 3.75 4.10 4.45 4.80 5.15 5.50

Input Voltage (V)

0.2

0.3

0.4

0.5

0.6

0.7

-40 -25 -10

20 35 50 65 80 95 110 125

Ambient Temperature (°C)

N-Channel

P-Channel

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