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| 型号： | MCP1640T-I/MC |
| 厂商： | Microchip Technology |
| 文件页数： | 5/32页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 0.1A 8DFN |
| 标准包装： | 3,300 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2 V ~ 5.5 V |
| 输入电压： | 0.8 V ~ 5.5 V |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 100mA |
| 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： | 带卷 (TR) |
| 供应商设备封装： | 8-DFN（3x2） |
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MCP1640/B/C/D
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 = EN = 1.2V, C OUT = C IN = 10 μF, L = 4.7 μH, V OUT = 3.3V, I LOAD = 15 mA, T A = +25°C.
27.5
100
V OUT = 2.0V
V IN = 1.6V
25.0
22.5
20.0
17.5
V IN = 1.2V
V OUT = 5.0V
V OUT = 3.3V
90
80
70
60
50
40
V IN = 0.8V
V IN = 1.2V
15.0
12.5
10.0
V OUT = 2.0V
30
20
10
0
PWM / PFM
PWM ONLY
-40
-25
-10
5
20
35
50
65
80
0.01
0.1
1
10
100
1000
Ambient Temperature (°C)
I OUT (mA)
FIGURE 2-1:
V OUT I Q vs. Ambient
FIGURE 2-4:
2.0V V OUT PFM / PWM
Temperature in PFM Mode.
Mode Efficiency vs. I OUT .
300
275
250
225
200
175
150
V IN = 1.2V
V OUT = 5.0V
V OUT = 3.3V
100
90
80
70
60
50
40
30
20
10
0
V OUT = 3.3V
V IN = 0.8V
V IN = 2.5V
V IN = 1.2V
PWM / PFM
PWM ONLY
-40
-25
-10
5
20
35
50
65
80
0.01
0.1
1
10
100
1000
Ambient Temperature (°C)
FIGURE 2-2: V OUT I Q vs. Ambient
Temperature in PWM Mode.
I OUT (mA)
FIGURE 2-5: 3.3V V OUT PFM / PWM
Mode Efficiency vs. I OUT .
600
500
400
V OUT = 3.3V
V OUT = 5.0V
100
90
80
70
V OUT = 5.0V
V IN = 2.5V
V IN = 1.2V
V IN = 1.8V
60
300
V OUT = 2.0V
50
40
200
100
0
30
20
10
0
PWM / PFM
PWM ONLY
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0.01
0.1
1
10
100
1000
V IN (V)
I OUT (mA)
FIGURE 2-3:
Maximum I OUT vs. V IN .
FIGURE 2-6:
5.0V V OUT PFM / PWM
Mode Efficiency vs. I OUT .
? 2011 Microchip Technology Inc.
DS22234B-page 5
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