Microchip Technology ADM00427 데이터 시트

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© 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
= 2x22 µF,
L = 4.7 µH,  I
LOAD
= 200 mA,  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