参数资料
型号: MCP1624T-I/MC
厂商: Microchip Technology
文件页数: 6/28页
文件大小: 0K
描述: IC BOOST SYNC REG PWM/PFM 8DFN
标准包装: 3,300
应用: 转换器,PIC? 微控制器
输入电压: 0.8 V ~ 5.5 V
输出数: 1
输出电压: 2 V ~ 5.5 V
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
供应商设备封装: 8-DFN(2x3)
包装: 带卷 (TR)
MCP1623/24
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.
100
1.00
90
80
V IN = 1.6V
0.85
V OUT = 3.3V
70
60
V IN = 1.2V
0.70
Startup
50
40
30
20
10
V IN = 0.8V
0.55
0.40
Shutdown
0
0.01
0.1
1 10
I OUT (mA)
100
1000
0.25
0
20
40 60
I OUT (mA)
80
100
FIGURE 2-7:
MCP1623 Efficiency vs.
FIGURE 2-10:
Minimum Start-up and
I OUT , V OUT = 2.0V.
Shutdown V IN into Resistive Load vs. I OUT .
100
90
80
70
60
50
40
30
20
10
0
V IN = 0.8V
V IN = 2.5V
V IN = 1.2V
525
520
515
510
505
500
495
490
485
480
V OUT = 3.3V
0.01
0.1
1
10
100
1000
-40
-25
-10
5
20
35
50
65
80
I OUT (mA)
Ambient Temperature (°C)
FIGURE 2-8:
I OUT , V OUT = 3.3V.
100
90
80
70
60
50
40
30
20
10
MCP1623 Efficiency vs.
V IN = 3.6V
V IN = 1.8V
V IN = 1.2V
FIGURE 2-11:
Temperature.
4.5
4
3.5
3
2.5
2
1.5
1
0.5
F OSC vs. Ambient
V OUT = 5.0V
V OUT = 3.3V
V OUT = 2.0V
0
0.01
0.1
1 10
I OUT (mA)
100
1000
0
0
1
2
3
4
5
I OUT (mA)
6
7
8
9
10
FIGURE 2-9:
MCP1623 Efficiency vs.
FIGURE 2-12:
MCP1623 PWM Pulse
I OUT , V OUT = 5.0V.
DS41420C-page 6
Skipping Mode Threshold vs. I OUT .
? 2011 Microchip Technology Inc.
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