MCP1612-I 查看數據表（PDF） - Microchip Technology
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MCP1612-I Datasheet PDF : 22 Pages
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MCP1612
2.0 TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated, VIN = VCC = VSHDN = 3.3V, COUT = CIN = 10 µF, L = 3.3 µH, ILOAD = 100 mA,
TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C.
100
90 VOUT = 2.5V
80
70
VOUT = 1.2V
60
50
VOUT = 1.8V
40
30
20
10
0
10
100
Load Current (mA)
VIN = 3.3V
1000
FIGURE 2-1:
VIN = 3.3V.
Efficiency vs. Load Current,
0.50
0.40
VOUT = 2.7V
0.30
0.20
VOUT = 3.3V
0.10
0.00
0
200
400
600
800
Load Current (mA)
1000
FIGURE 2-4:
Load Current.
Dropout Voltage vs.
100
90 VOUT = 3.3V
80
70
60
50
VOUT = 2.5V
40
30
20
10
0
10
100
Load Current (mA)
VIN = 5.0V
1000
FIGURE 2-2:
VIN = 5.0V.
Efficiency vs. Load Current,
6.5
6.0
5.5 TA = +85oC
5.0
4.5
4.0
3.5
2.5
TA = +25oC
TA = -40oC
3
3.5
4
4.5
Input Voltage (V)
VOUT = 1.8V
5
5.5
FIGURE 2-5:
Input Voltage.
Input Quiescent Current vs.
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
-1.4
0
VOUT = 1.2V VIN = 3.3V
VOUT = 1.8V, VIN = 3.3V
VOUT = 3.3V, VIN = 5.0V
200
400
600
800
Load Current (mA)
1000
FIGURE 2-3:
Load Current.
Output Voltage vs.
1.42
1.41
TA = -40oC
1.40
1.39
TA = +25oC
1.38
1.37 TA = +85oC
1.36
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
FIGURE 2-6:
Input Voltage.
Oscillator Frequency vs.
DS21921C-page 6
2004-2013 Microchip Technology Inc.
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