MCP1623 查看數據表（PDF） - Microchip Technology
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MCP1623 Datasheet PDF : 30 Pages
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MCP1623/24
Note: Unless otherwise indicated, VIN = EN = 1.2V, COUT = CIN = 10 µF, L = 4.7 µH, VOUT = 3.3V, ILOAD = 15 mA,
TA = +25°C.
100
90
80
70
60
50
40
30
20
10
0.01
VIN =1.6
VIN = 1.2
VIN = 0.8
0.1
1
10
100
1000
IOUT (mA)
FIGURE 2-7:
MCP1623 Efficiency vs.
IOUT, VOUT = 2.0V.
100
90
80
70
60
50
40
30
20
10
0.01
VIN = 2.5
0.1
VIN = 1.2
VIN = 0.8
1
10
100
IOUT (mA)
1000
FIGURE 2-8:
MCP1623 Efficiency vs.
IOUT, VOUT = 3.3V.
1.00
0.85
0.70
0.55
0.40
0.25
0
Startup
Shutdown
20
40
60
80
100
IOUT (mA)
FIGURE 2-10:
Minimum Start-Up and
Shutdown VIN into Resistive Load vs. IOUT,
VOUT = 3.3V.
525
520
515
510
505
500
495
490
485
480
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
FIGURE 2-11:
FOSC vs. Ambient
Temperature, VOUT = 3.3V.
100
90
80
70
60
50
40
30
20
10
0.01
VIN = 3.6
VIN = 1.8
VIN = 1.2
0.1
1
10
100
1000
IOUT (mA)
FIGURE 2-9:
MCP1623 Efficiency vs.
IOUT, VOUT = 5.0V.
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
VOUT = 5.0V
VOUT = 3.3V
VOUT = 2.0V
1 2 3 4 5 6 7 8 9 10
IOUT (mA)
FIGURE 2-12:
MCP1623 PWM Pulse
Skipping Mode Threshold vs. IOUT.
DS40001420D-page 6
2010-2016 Microchip Technology Inc.
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