Datasheet

© 2007 Microchip Technology Inc. DS22061A-page 9
MCP1602
Typical Performance Curves (Continued)
Note: Unless otherwise indicated, V
IN
= SHDN =3.6V, C
OUT
=C
IN
= 4.7 µF, L = 4.7 µH, V
OUT
(ADJ) = 1.8V, I
LOAD
= 100 mA,
T
A
= +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)
Switching Frequency (MHz)
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)
Switch Resistance (Ω)
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)
Switching Frequency (MHz)
0.2
0.3
0.4
0.5
0.6
0.7
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
Switch Resistance (Ω)
N-Channel
P-Channel