RT9179A 데이터 시트보기 (PDF) - Richtek Technology
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RT9179A Datasheet PDF : 11 Pages
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RT9179A
Current Limit vs. Temperature
1
VIN = 5V
0.95
0.9
0.85
0.8
0.75
0.7
-50 -25
0
25 50 75
Temperature (°C)
100 125
Line Transient Response
5
4
10
0
-10
VIN = 4V to 5V
IO : 150mA
R1 = 360KΩ, R2 = 200KΩ
CIN = 1uF(X7R)
COUT = 3.3uF(X7R)
Time (250us/Div)
Enable Threshold Voltage
vs. Temperature
1
0.9
0.8
VOUT TURN ON
0.7
VOUT TURN OFF
0.6
0.5
-50 -25
0
25 50 75
Temperature (°C)
100 125
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6
Output Short-Circuit Protection
4
2
1
0.8
0.6
0.4
VIN = 5V
R1 = 360kΩ
0.2
R2 = 200kΩ
0
CIN = 1uF
COUT = 3.3uF
Time (1ms/Div)
Load Transient Response
500
0
50
0
-50 CIN = 1uF (X7R)
COUT = 3.3uF (X7R)
VIN = 3.3V, R1 = 56KΩ
R2 = 200KΩ
Time (500us/Div)
Enable Response
6
4
2
0
VIN =5V
3
R1 =360kΩ
R2 =200kΩ
2
CIN =1uF
COUT =3.3uF
1
0
IO : 150mA
Time (100us/Div)
DS9179A-07 March 2007
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