参数资料
型号: MCP1703A-1802E/DB
厂商: Microchip Technology
文件页数: 9/30页
文件大小: 0K
描述: IC REG LDO 1.8V .2A SOT-223-3
标准包装: 78
稳压器拓扑结构: 正,固定式
输出电压: 1.8V
输入电压: 2.7 V ~ 16 V
稳压器数量: 1
电流 - 输出: 200mA(最小)
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-261-4,TO-261AA
供应商设备封装: SOT-223-3
包装: 管件
MCP1703A
Note: Unless otherwise indicated: C OUT = 1 μF Ceramic (X7R), C IN = 1 μF Ceramic (X7R), I L = 1 mA, T A = +25°C,
V IN = V OUT(MAX) + V DROPOUT(MAX) or 2.7V, whichever is greater.
0
-10
-20
-30
-40
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
V R = 1.2V
V IN = 2.9V
V INAC = 200 mV p-p
C IN = 0 μ F
I OUT = 10 mA
-50
-60
-70
-80
-90
V R = 5.0V
V IN = 8.5V
V INAC = 800 mV p-p
C IN = 0 μ F
I OUT = 250 mA
0.01
0.1
1 10
Frequency (kHz)
100
1000
0.01
0.1
1 10
Frequency (KHz)
100
1000
FIGURE 2-25:
PSRR vs. Frequency.
FIGURE 2-28:
PSRR vs. Frequency.
0
-10
10.00
V R = 5.0V, V IN = 6.0V
V R = 2.8V, V IN = 3.8V
I OUT = 50 mA
-20
-30
-40
-50
V R = 1.2V
1.00
V R = 1.2V, V IN = 2.7V
-60
-70
V IN = 3.7V
V INAC = 200 mV p-p
C IN = 0 μ F
0.10
-80
-90
I OUT = 200 mA
0.01
0.01
0.1
1 10
Frequency (kHz)
100
1000
0.01
0.10
1.00 10.00 100.00 1000.00
Frequency (kHz)
FIGURE 2-26:
0
-10
-20
-30
-40
-50
-60
-70
-80
PSRR vs. Frequency.
V R = 5.0V
V IN = 6.2V
V INAC = 200 mV p-p
C IN = 0 μ F
I OUT = 10 mA
FIGURE 2-29:
8
7
6
5
4
3
2
1
0
V IN
V OUT
Output Noise vs. Frequency.
V R = 2.5V, R LOAD = 25 :
V IN = 0V to 5.3V Step
-90
0
200
400
600
800
1000
0.01
0.1
1 10
Frequency (KHz)
100
1000
Time (μS)
FIGURE 2-27:
PSRR vs. Frequency.
FIGURE 2-30:
Power Up Timing.
? 2012 Microchip Technology Inc.
DS25122A-page 9
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