RT8805 데이터 시트보기 (PDF) - Richtek Technology
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RT8805 Datasheet PDF : 15 Pages
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RT8805
Preliminary
Typical Operating Characteristics
Phase Loading vs. Output Loading
30
Low-Side : IPD06N03
High-Side : IPD09N03
25
20
PHASE2
15
PHASE1
10
5
0
5 10 15 20 25 30 35 40 45 50
Output Loading (A)
0.7945
VREF vs. Temperature
0.794
0.7935
0.793
0.7925
0.792
0.7915
0.791
0.7905
0.79
0.7895
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
FOSC vs. Temperature
306
RRT = 33k
304
302
300
298
296
294
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
OCP
VOUT
(100mV/Div)
IL
(10A/Div)
SS
(2V/Div)
Short then Start up, CSS = 0.1μF
Time (25ms/Div)
Dead Time
Low-Side : IPD06N03
High-Side : IPD09N03
UGATE
No Load
PHASE
LGATE
UGATE-PHASE
(5V/Div)
Time (100ns/Div)
VOUT
(1V/Div)
SS
(5V/Div)
IL
(20A/Div)
UGATE
(20V/Div)
OCP
Start up then Short, CSS = 0.1μF
Time (25ms/Div)
www.richtek.com
6
DS8805-01 November 2005
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