CS5257A-1GT5 查看數據表（PDF） - ON Semiconductor
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CS5257A-1GT5 Datasheet PDF : 11 Pages
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VPOWER
VCONTROL
CS5257A−1
BIAS
and
TSD
VREF
− EA
+
IA +
−
Figure 2. Block Diagram
VOUT
VSENSE
Adjust
TYPICAL PERFORMANCE CHARACTERISTICS
0.100
0.075
0.050
0.10
0.09
0.08
VPOWER = 2.05 V
VCONTROL = 2.75 V
0.025
0.07
0
0.06
−0.025
0.05
−0.050
0.04
−0.075
−0.100
−0.125
IO = 10 mA
VCONTROL = 2.75 V
VPOWER = 2.05 V
0.03
0.02
0.01
−0.150
0 10 20 30 40 50 60 70 80 90 100 110 120 130
0
0
1.0 2.0 3.0 4.0 5.0 6.0 7.0
TJ (°C)
Output Current (A)
Figure 3. Reference Voltage vs Temperature
Figure 4. Load Regulation vs Output Current
100
50
0
−50
−100
7.0
0
0
0
COUT = 330 mF
CPOWER = 110 mF
CCONTROL = 10 mF
CADJ = 0.1 mF
VCONTROL = 5.0 V
VPOWER = 3.3 V
VOUT = 2.5 V
1
2
3
4
5
Time (ms)
Figure 5. Transient Response
14.0
12.0
VCONTROL = 2.75 V
10.0
8.0
6.0
4.0
2.0
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
VPOWER − VOUT (V)
Figure 6. Short Circuit Current vs VPOWER − VOUT
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