参数资料
型号: MCP1640T-I/MC
厂商: Microchip Technology
文件页数: 7/32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:
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)
MCP1640/B/C/D
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.
10000
1000
100
V OUT = 2.0V
PWM / PFM
PWM ONLY
V OUT = 5.0V
V OUT = 3.3V
10
V OUT = 2.0V
V OUT = 3.3V
V OUT = 5.0V
0.8
1.1
1.4
1.7
2
2.3
2.6
2.9
3.2
3.5
V IN (V)
FIGURE 2-13:
V IN .
Input No Load Current vs.
FIGURE 2-16:
Mode Waveforms.
MCP1640 3.3V V OUT PFM
5
4
P - Channel
3
2
1
0
N - Channel
1
1.5
2
2.5
3
3.5
4
4.5
5
> V IN or V OUT
FIGURE 2-14:
N-Channel and P-Channel
FIGURE 2-17:
MCP1640B 3.3V V OUT
R DSON vs. > of V IN or V OUT .
16
V OUT = 5.0V
PWM Mode Waveforms.
14
12
10
8
6
4
2
0
V OUT = 2.0V
V OUT = 3.3V
0
0.5
1
1.5
2
2.5
3
3.5
4
V IN (V)
FIGURE 2-15:
PFM / PWM Threshold
FIGURE 2-18:
MCP1640/B High Load
Current vs. V IN .
? 2011 Microchip Technology Inc.
Waveforms.
DS22234B-page 7
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