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| 型号： | MCP130T-485I/TT |
| 厂商： | Microchip Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR 4.85V LOW SOT23 |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 150 ms |
| 电压 - 阀值： | 4.725V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 标准包装 |
| 产品目录页面： | 661 (CN2011-ZH PDF) |
| 其它名称： | MCP130T-485I/TTDKR |
MCP120/130
Microcontroller Supervisory Circuit with Open Drain Output
FEATURES
PACKAGES
V DD
RST
V SS
? Holds microcontroller in reset until supply voltage
reaches stable operating level
? Resets microcontroller during power loss
? Precision monitoring of 3V, 3.3V and 5V systems
? 7 voltage trip points available
? Active low RESET pin
? Open drain output
? Internal pull-up resistor (5 k ? ) for MCP130
? Holds RESET for 350 ms (typical)
? RESET to V CC = 1.0V
? Accuracy of ±125 mV for 5V systems and ±75 mV
for 3V systems over temperature
? 45 μ A typical operating current
? Temperature range:
- Industrial (I): -40 ° C to +85 ° C
DESCRIPTION
The Microchip Technology Inc. MCP120/130 is a volt-
age supervisory device designed to keep a microcon-
troller in reset until the system voltage has reached the
proper level and stabilized. It also operates as protec-
tion from brown-out conditions when the supply voltage
drops below a safe operating level. Both devices are
TO-92 with
‘D’ Bondout
RST V SS
V DD
MCP120
MCP130
TO-92 with
‘G’ Bondout
V DD
V SS
MCP120
SOT-23-3
TO-92 WITH
‘F’ BONDOUT
V SS
RST
MCP130
TO-92 with
‘H’ Bondout
V DD
RST
MCP120
MCP130
150mil SOIC
available with a choice of seven different trip voltages
and both have open drain outputs. The MCP130 has an
internal 5 k ? pullup resistor. Both devices have active
low RESET pins. The MCP120/130 will assert the
RST
V DD
V SS
RST
V DD
NC
V SS
1
2
3
4
8
7
6
5
NC
NC
NC
NC
RESET signal whenever the voltage on the V DD pin is
below the trip-point voltage.
MCP120
MCP130
BLOCK DIAGRAM
V DD
MCP120
MCP130
Comparator
+
-
Delay
Circuit
Output
Driver
5k ? internal
pull-up on
MCP130
only
RESET
Bandgap
Reference
? 2001 Microchip Technology Inc.
DS11184D-page 1
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