参数资料
型号: MCP1603-ADJI/MC
厂商: Microchip Technology
文件页数: 9/26页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.5A 8-DFN
标准包装: 150
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 4.5 V
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)
产品目录页面: 669 (CN2011-ZH PDF)
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.
2.20
2.15
2.10
2.05
2.00
1.95
2.20
2.15
2.10
2.05
2.00
1.95
-40 -25 -10 5
20 35 50 65 80 95 110 125
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Ambient Temperature ( C)
o
Input Voltage (V)
FIGURE 2-13:
Switching Frequency vs.
FIGURE 2-16:
Switching Frequency vs.
Ambient Temperature.
0.65
0.60
Input Voltage.
0.9
0.8
0.55
0.7
N-Channel
0.50
0.45
0.40
0.35
P-Channel
N-Channel
0.6
0.5
0.4
0.3
P-Channel
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature ( C)
Input Voltage (V)
o
FIGURE 2-14:
Switch Resistance vs. Input
FIGURE 2-17:
Switch Resistance vs.
Voltage.
Ambient Temperature.
FIGURE 2-15:
Output Voltage Startup
FIGURE 2-18:
Heavy Load Switching
Waveform.
? 2007 Microchip Technology Inc.
Waveform.
DS22042A-page 9
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