MAX8863 查看數據表（PDF） - ON Semiconductor
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MAX8863 Datasheet PDF : 12 Pages
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MAX8863
TYPICAL CHARACTERISTICS
VOUT = 2.84 V
RLOAD = 50 Ω
28.4 kΩ
VOUT = 0.5 V/Div
T = 25°C
CIN = 1 µF
CL = 1 µF
RL = ∞
COUT = 1 µF
10 100 1 k 10 k 100 k 1 M 10 M
FREQUENCY (kHz)
Figure 10. Power Supply Rejection Ratio
CH1
GND
CH2
GND
SHDN
SHDN = 0 V
200 µsec/Div
Figure 11. Shutdown Transient Response
CH1
GND
XSHDN = 3 V
VOUT = 2.7 V
Turn On
Time = 150 µS
No Overshoot
CH2
GND
CIN = 1 µF
COUT = 1 µF
RL = 100 Ω
VIN = 3.5 V
XSHDN = 0 V
CH2 CH1
GND
CH1
VOUT = 0 V
CH2
GND
200 µsec/Div
Figure 12. Shutdown Transient Response
VIN = 4.5 V
VIN = 3.5 V
VOUTAC 20 µV/Div
CIN = COUT = 1 µF
RL = 470 Ω
XSHDN = 3.5 V
200 µsec/Div
Figure 13. Line Response
3V
SHDN
0V
2.8 V
VOUT
1
0V
2
VIN = 3.6 V
ILOAD = 30 mA
CIN = 1 µF
CLOAD = 1 µF
3
4
5
6
TIME (100 µs/Div)
Figure 14. Wake Up Response Time
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