RT9187 데이터 시트보기 (PDF) - Richtek Technology
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RT9187 Datasheet PDF : 9 Pages
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RT9187
Line Transient Response
VIN = 3.3V to 4.3V, ILOAD : 1A
4.3
3.3
Line Transient Response
VIN = 3.3V to 4.3V, ILOAD : 800mA
4.3
3.3
100
0
-100
Time (500us/Div)
10
0
-10
Time (500us/Div)
Load Transient Response
VIN = 3.3V, ILOAD : 50mA to 1A
1
0
Load Transient Response
VIN = 3.3V, ILOAD : 50mA to 800mA
1
0
(1A/Div)
100
0
-100
Time (100us/Div)
50
0
(50mV/Div)
-50
Time (100us/Div)
20
VIN = VEN = 3.8V
0
PSRR
-20
-40
ILOAD = 280mA
-60
ILOAD = 10mA
-80
01.00 100.10 1k.0 1100k.0 10000.k0
Frequency (Hz)
1010M0.0 10100M0.0
Region of Stable COUT ESR vs. Load Current
100
VIN = 3.3V
Unstable Range
10 VIN = 6.0V
1
Stable Range
0.1
0.01
Simulation Verify
0.001
0
0.2
0.4
0.6
0.8
1
Load Current (A)
DS9187-09 April 2008
www.richtek.com
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