RT9722 데이터 시트보기 (PDF) - Richtek Technology
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RT9722 Datasheet PDF : 14 Pages
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RT9722
UVLO Threshold Voltage vs. Temperature
2.6
2.4
2.2
Rising
2.0
1.8
Falling
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-50 -25
VIN = 5V, RSET = 16kΩ, RLOAD = 510Ω
0
25 50 75 100 125
Temperature (°C)
1600
1400
1200
1000
800
600
400
200
0
0
30
Current Limit vs. RSET
VIN = 5V, RLOAD = 1Ω
10 20 30 40 50 60 70
RSET (kΩ)
Turn-On Time vs. Temperature
25
VIN = 3V
20
VIN = 5V
15
10
5
0
-50
RSET = 6.8kΩ, RLOAD = 10Ω, COUT = 0.47μF
-25
0
25 50 75 100 125
Temperature (°C)
DS9722-00 August 2011
EN Threshold Voltage vs. Input Voltage
1.4
1.2
VIH
1.0
VIL
0.8
0.6
0.4
0.2
RSET = 16kΩ, RLOAD = 510Ω
0.0
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Flag Delay Time vs. Input Voltage
14
12
10
8
6
4
2
VIN = 5V, RSET = 6.8kΩ, RLOAD = 0Ω, COUT = 0.47μF
0
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Turn-Off Time vs. Temperature
12
10
VIN = 5V
8
6
VIN = 3V
4
2
0
-50
RSET = 6.8kΩ, RLOAD = 10Ω, COUT = 0.47μF
-25
0
25 50 75 100 125
Temperature (°C)
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