ISL8010 데이터 시트보기 (PDF) - Intersil
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ISL8010 Datasheet PDF : 12 Pages
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ISL8010
Performance Curves and Waveforms (Continued)
All waveforms are taken at VIN = 3.3V, VO = 1.8V, IO = 600mA with component values shown on page 1 at room ambient temperature, unless
otherwise noted.
100
80
IO
60
(200mA/DIV)
40
1.4MHz
5MHz
12MHz
∆VO
(50mV/DIV)
50µs/DIV
FIGURE 18. PWM LOAD TRANSIENT RESPONSE (100mA TO
500mA)
20
0
0
200 400 600 800 1K 1.2K
IO (mA)
FIGURE 19. EFFICIENCY vs IO (PWM MODE)
1
12MHz
0.6
1.4MHz
0.2
5MHz
0
-0.2
-0.6
0
200 400 600 800
IO (mA)
1K 1.2K
FIGURE 20. LOAD REGULATION (PWM MODE)
0.5
0.3
0.1
1.4MHz
-0.1
12MHz
-0.3
5MHz
-0.5
0
200 400 600 800
VIN (V)
1K 1.2K
FIGURE 21. LINE REGULATION @ 500mA (PWM MODE)
IO=150mA
SYNC
(2V/DIV)
LX
(2V/DIV)
2µs/DIV
FIGURE 22. PFM-PWM TRANSITION TIME
7
IO=50mA
SYNC
(2V/DIV)
LX
(2V/DIV)
2µs/DIV
FIGURE 23. PFM-PWM TRANSITION TIME
FN6191.0
September 27, 2005
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