Datasheet

© 2011 Microchip Technology Inc. DS22284A-page 11
MCP16323
Note: Unless otherwise indicated, V
IN
= 12V, EN = Floating (internally pulled up), C
IN
=20 µF, C
OUT
=2x22µF,
L=4.7µH, I
LOAD
=200mA, T
A
=+25°C.
FIGURE 2-25: Maximum V
IN
to V
OUT
Ratio
for Continuous Switching.
FIGURE 2-26: Light Load Switching
Waveforms.
FIGURE 2-27: Heavy Load Switching
Waveforms.
FIGURE 2-28: Startup From Enable.
FIGURE 2-29: Startup From V
IN.
FIGURE 2-30: Load Transient Response.
0
5
10
15
20
25
30
0.9 1.2 1.5 1.8 2.1
Max V
IN
(V)
V
OUT
(V)
Typical Minimum Duty Cycle = 7%
V
OUT
= 3.3V
I
OUT
= 50 mA
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 500 mA
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 200 mA
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 200 mA
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 100 mA to 600 mA
V
IN
= 12V