MCP1602 查看數據表（PDF） - Microchip Technology
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MCP1602 Datasheet PDF : 26 Pages
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MCP1602
Typical Performance Curves (Continued)
Note: Unless otherwise indicated, VIN = SHDN = 3.6V, COUT = CIN = 4.7 µF, L = 4.7 µH, VOUT(ADJ) = 1.8V, ILOAD = 100 mA,
TA = +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.
100.0
97.5
95.0
92.5
IOUT = 100 mA
VOUT = 3.3V
IOUT = 300 mA
90.0
87.5
IOUT = 500 mA
85.0
4.2 4.4 4.6 4.8 5.0 5.2 5.4
Input Voltage (V)
FIGURE 2-7:
(VOUT = 3.3V).
Efficiency vs. Input Voltage
100
90
80
70
60
50
40
30
VIN = 5.5V
20
0.1
1
VIN = 4.2V
10
VOUT = 3.3V
100
1000
Output Current (mA)
FIGURE 2-10:
(VOUT = 3.3V).
Efficiency vs. Output Load
340
320
300
280
260
240
220
200
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
FIGURE 2-8:
PG Active Time-out vs.
Ambient Temperature.
96
95
94
PG Threshold High
93
92
91
90
PG Threshold Low
89
88
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
FIGURE 2-11:
PG Threshold Voltage vs.
Ambient Temperature.
0.832
0.828
0.824
0.820
0.816
0.812
Ambient Temperature (°C)
FIGURE 2-9:
Feedback Voltage vs.
Ambient Temperature.
1.85
1.84
1.83
1.82
1.81
0 50 100 150 200 250 300 350 400 450 500
Output Current (mA)
FIGURE 2-12:
Output Voltage vs. Load
Current (VOUT = 1.8V).
DS22061A-page 8
© 2007 Microchip Technology Inc.
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