MCP1624 查看數據表（PDF） - Microchip Technology
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MCP1624 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.
10000
1000
100
VOUT = 2.0V
PWM/PFM
PWM ONLY
VOUT = 5.0V
VOUT = 3.3V
10
0.8
VOUT = 2.0V
1.1 1.4 1.7
VOUT = 3.3V
VOUT = 5.0V
2 2.3 2.6 2.9 3.2 3.5
VIN (V)
FIGURE 2-13:
VIN.
Input No Load Current vs.
FIGURE 2-16:
MCP1624 3.3V VOUT PFM
Mode Waveforms.
5
4
P-Channel
3
2
1
N-Channel
0
1 1.5 2 2.5 3 3.5 4 4.5 5
> VIN or VOUT
FIGURE 2-14:
N-Channel and P-Channel
RDSON vs. > of VIN or VOUT.
16
14
12
VOUT = 2.0V VOUT = 3.3V
VOUT = 5.0V
10
8
6
4
2
0
0 0.5 1 1.5 2 2.5 3 3.5 4
VIN (V)
FIGURE 2-15:
MCP1624 PFM/PWM
Threshold Current vs. VIN.
FIGURE 2-17:
MCP1623 3.3V VOUT
PWM Mode Waveforms.
FIGURE 2-18:
High Load Waveforms.
2010-2016 Microchip Technology Inc.
DS40001420D-page 7
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