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参数资料
| 型号： | MCP1603-250I/MC |
| 厂商： | Microchip Technology |
| 文件页数： | 7/26页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 2.5V 0.5A 8DFN |
| 标准包装： | 150 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 2.5V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 2MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 8-DFN（3x2） |
| 配用： | MCP1603RD-TNY-ND - REFERENCE DESIGN FOR MCP1603 MCP1603EV-ND - BOARD EVAL BUCK CONV MCP1603 |
MCP1603
2.0
Note:
TYPICAL PERFORMANCE CURVES
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, V IN = SHDN = 3.6V, C OUT = C IN = 4.7 μF, L = 4.7 μH, V OUT (ADJ) = 1.8V, I LOAD = 100 mA,
T A = +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.
T A = +90 C
T A = +25 C
T A = - 40 C
50
49
48
47
46
45
44
43
42
41
V IN = 4.2V
V IN = 3.0V
V IN = 3.6V
V OUT = 1.8V
52
50
48
46
44
42
o
o
o
40
40
-40 -25 -10
5
20
35
50
65
80
95 110 125
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Ambient Temperature ( C)
o
Input Voltage (V)
FIGURE 2-1:
I Q vs. Ambient Temperature.
FIGURE 2-4:
I Q vs. Input Voltage.
100
95
90
I OUT = 100 mA
V OUT = 1.2V
100
90
80
V IN = 2.7V
V OUT = 1.2V
85
70
V IN = 3.6V
80
75
70
I OUT = 300 mA
I OUT = 500 mA
60
50
40
65
60
30
20
V IN = 4.2V
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
0.1
1
10
100
1000
Input Voltage (V)
Output Current (mA)
FIGURE 2-2:
(V OUT = 1.2V).
Efficiency vs. Input Voltage
FIGURE 2-5:
(V OUT = 1.2V).
Efficiency vs. Output Load
100
95
I OUT = 100 mA
V OUT = 1.8V
100
90
80
V IN = 2.7V
V IN = 3.6V
90
70
85
80
I OUT = 300 mA
I OUT = 500 mA
60
50
40
75
70
30
20
V IN = 4.2V
V OUT = 1.8V
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
0.1
1
10
100
1000
Input Voltage (V)
Output Current (mA)
FIGURE 2-3:
Efficiency vs. Input Voltage
FIGURE 2-6:
Efficiency vs. Output Load
(V OUT = 1.8V).
? 2007 Microchip Technology Inc.
(V OUT = 1.8V).
DS22042A-page 7
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