参数资料
型号: MCP1603-250I/MC
厂商: Microchip Technology
文件页数: 8/26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:
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
Typical Performance Curves (Continued)
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.
100
95
I OUT = 100 mA
V OUT = 2.4V
100
90
80
V IN = 2.7V
V IN = 3.6V
90
85
I OUT = 300 mA
I OUT = 500 mA
70
60
50
80
75
40
30
V IN = 4.2V
V OUT = 2.4V
3
3.5
4
4.5
5
5.5
0.1
1
10
100
1000
Input Voltage (V)
Output Current (mA)
FIGURE 2-7:
(V OUT = 2.4V).
Efficiency vs. Input Voltage
FIGURE 2-10:
(V OUT = 2.4V).
Efficiency vs. Output Load
100.0
97.5
95.0
I OUT = 100 mA
I OUT = 300 mA
V OUT = 3.3V
100
90
80
V IN = 3.6V
92.5
70
90.0
I OUT = 500 mA
60
50
87.5
85.0
3.5 3.75
4
4.25 4.5 4.75
5
5.25 5.5
40
30
0.1
V IN = 4.2V
1
10
V OUT = 3.3V
100 1000
Input Voltage (V)
Output Current (mA)
FIGURE 2-8:
(V OUT = 3.3V).
Efficiency vs. Input Voltage
FIGURE 2-11:
(V OUT = 3.3V).
Efficiency vs. Output Load
T A = +125 C
T A = +90 C
T A = - 40 C
T A = +25 C
0.6
0.5
0.4
0.3
I OUT = 300 mA
V OUT = 1.8V
I OUT = 100 mA
1.82
1.81
1.80
1.79
1.78
1.77
o
o
o
o
0.2
0.1
1.76
1.75
1.74
-40 -25 -10
5
20 35 50 65 80 95 110 125
100
150
200
250
300
350
400
450
500
Ambient Temperature ( C)
o
Output Current (mA)
FIGURE 2-9:
Line Regulation vs. Ambient
FIGURE 2-12:
Output Voltage vs. Load
Temperature (V OUT = 1.8V).
DS22042A-page 8
Current (V OUT = 1.8V).
? 2007 Microchip Technology Inc.
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