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参数资料
| 型号： | MCP1612EV |
| 厂商： | Microchip Technology |
| 文件页数： | 7/22页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR MCP1612 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 0.8V，1V，1.2V，1.4V，1.7V，2.4V 和 3.3V |
| 电流 - 输出： | 1A |
| 输入电压： | 2.7 ~ 5.5 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 1.4MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MCP1612 |
| 产品目录页面： | 669 (CN2011-ZH PDF) |
MCP1612
TYPICAL PERFORMANCE CURVES (Continued)
Note: Unless otherwise indicated, V IN = V CC = V SHDN = 3.3V, C OUT = C IN = 10 μF, L = 3.3 μH, I LOAD = 100 mA,
T A = +25°C. Boldface specifications apply over the T A range of -40°C to +85°C.
Start-up from V IN = 0V to 3.3V
V OUT
I OUT = 100 mA to 800 mA
V IN = 5.0V
V OUT = 3.3V
V IN
100 mV/DIV
2.0V/DIV
I OUT
V OUT
1.0V/DIV
1.0 ms/DIV
V OUT = 1.8V
500 mA/DIV
500 μs/DIV
FIGURE 2-7:
Power-Up from V IN .
FIGURE 2-10:
Load Transient Response.
SHDN
Start-up from SHDN
V IN
2.0V/DIV
Line Step Response, V IN = 3.0V to 4.0V
2.0V/DIV
V OUT
50 mV/DIV
V OUT
V OUT = 1.8V
1.0V/DIV
1.0 ms/DIV
V OUT = 1.8V
I OUT = 800 mA
200 μs/DIV
FIGURE 2-8:
Power-Up from Shutdown.
FIGURE 2-11:
Line Transient Response.
V OUT
I OUT = 100 mA to 800 mA
V IN
2.0V/DIV
Line Step Response, V IN = 4.5V to 5.5V
200 mV/DIV
V OUT
I OUT
500 mA/DIV
50 μs/DIV
V OUT = 1.8V
50 mV/DIV
V OUT = 3.3V
I OUT = 800 mA
200 μs/DIV
FIGURE 2-9:
Load Transient Response.
FIGURE 2-12:
Line Transient Response.
? 2005 Microchip Technology Inc.
DS21921B-page 7
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