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参数资料
| 型号： | MCP1603-330I/MC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 2 X 3 MM, 0.90 MM HEIGHT, PLASTIC, DFN-8 |
| 文件页数： | 24/26页 |
| 文件大小： | 758K |
| 代理商： | MCP1603-330I/MC |
2007 Microchip Technology Inc.
DS22042A-page 7
MCP1603
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, VIN = SHDN =3.6V, COUT =CIN = 4.7 F, L = 4.7 H, 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.
FIGURE 2-1:
IQ vs. Ambient Temperature.
FIGURE 2-2:
Efficiency vs. Input Voltage
(VOUT = 1.2V).
FIGURE 2-3:
Efficiency vs. Input Voltage
(VOUT = 1.8V).
FIGURE 2-4:
IQ vs. Input Voltage.
FIGURE 2-5:
Efficiency vs. Output Load
(VOUT = 1.2V).
FIGURE 2-6:
Efficiency vs. Output Load
(VOUT = 1.8V).
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.
40
41
42
43
44
45
46
47
48
49
50
-40 -25 -10
5
20 35 50 65 80 95 110 125
Ambient Temperature (
oC)
Qu
iesce
nt
C
u
rren
t(A
)
VOUT = 1.8V
VIN = 4.2V
VIN = 3.0V
VIN = 3.6V
60
65
70
75
80
85
90
95
100
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
Ef
fici
enc
y(%)
VOUT = 1.2V
IOUT = 100 mA
IOUT = 500 mA
IOUT = 300 mA
70
75
80
85
90
95
100
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Eff
ici
en
cy
(
%
)
VOUT = 1.8V
IOUT = 100 mA
IOUT = 500 mA
IOUT = 300 mA
40
42
44
46
48
50
52
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
Qu
iesc
ent
C
u
rre
nt
(A
)
TA = - 40
oC
TA = +25
oC
TA = +90
oC
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current (mA)
E
ffi
ci
en
cy
(%
)
VOUT = 1.2V
VIN = 4.2V
VIN = 2.7V
VIN = 3.6V
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current (mA)
Ef
fi
ci
en
cy
(
%
)
VOUT = 1.8V
VIN = 4.2V
VIN = 2.7V
VIN = 3.6V
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