MAX1720 查看數據表（PDF） - ON Semiconductor
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MAX1720 Datasheet PDF : 18 Pages
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MAX1720
0.0
−1.0 Vin = 2.0 V
100
Figure 14 Test Setup
TA = 25°C
90
−2.0
Vin = 3.3 V
80
Figure 14 Test Setup
TA = 25°C
−3.0
−4.0
−5.0
Vin = 5.0 V
70
60
Vin = 1.5 V
Vin = 3.3 V
50
Vin = 2.0 V
Vin = 5.0 V
−6.0
0
10
20
30
40
50
Iout, OUTPUT CURRENT (mA)
Figure 8. Output Voltage vs. Output Current
Figure 14 Test Setup
Vin = 3.3 V
Iout = 5.0 mA
TA = 25°C
40
0
10
20
30
40
50
Iout, OUTPUT CURRENT (mA)
Figure 9. Power Conversion Efficiency vs.
Output Current
1.75
RL = 10 kW
1.50 SHDN = GND
Vin = 5.0 V
1.25
Vin = 3.3 V
1.00
0.75
0.50
Vin = 1.5 V
TIME = 25 ms / Div.
Figure 10. Output Voltage Ripple and Noise
0.25
−50
−25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 11. Shutdown Supply Current vs.
Ambient Temperature
5.0
TA = 25°C
4.5
4.0
Low State,
3.5 Device Shutdown
3.0
High State,
Device Operating
2.5
2.0
1.5
0.5
1.0
1.5
2.0
2.5
3.0
Vth(SHND), SHUTDOWN INPUT VOLTAGE THRESHOLD (V)
Figure 12. Supply Voltage vs. Shutdown Input
Voltage Threshold
SHDN = 5.0V/Div.
Vin = 5.0 V
RL = 1.0 kW
TA = 25°C
Vout = 1.0 V/Div.
TIME = 500 ms / Div.
Figure 13. Wakeup Time From Shutdown
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