TPS3809I50 3 引脚电源监控器
TPS3809I50 描述
The TPS3809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for DSPs and processor-based systems.
During power-on, RESET\ is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the supervisory circuit monitors VDD and keeps RESET\ active as long as VDD remains below the threshold voltage VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time, td(typ) = 200 ms, starts after VDD has risen above the threshold voltage VIT. When the supply voltage drops below the threshold voltage VIT, the output becomes active (low) again. No external components are required. All the devices of this family have a fixed sense-threshold voltage VIT set by an internal voltage divider.
|
TPS3809I50 |
TPS3809J25 |
TPS3809K33 |
TPS3809L30 |
| No. of Supervisors |
1 |
1 |
1 |
1 |
| Vit1(Typ)(V) |
4.55 |
2.25 |
2.93 |
2.64 |
| Reset Threshold Accuracy(%) |
2.2 |
2.2 |
2 |
2.3 |
| Time Delay(ms) |
200 |
200 |
200 |
200 |
| IDD(Typ)(uA) |
9 |
9 |
9 |
9 |
| Pin/Package |
3SOT-23 |
3SOT-23 |
3SOT-23 |
3SOT-23 |
| Rating |
Catalog |
Catalog |
Catalog |
Catalog |
TPS3809I50 特性
- 3-Pin SOT-23 Package
- Supply Current of 9 uA (Typical)
- Precision Supply Voltage Monitor
2.5 V, 3 V, 3.3 V, 5 V
- Power-On Reset Generator With Fixed Delay Time of 200 ms
- Pin-For-Pin Compatible With MAX 809
- Temperature Range...-40°C to 85°C
TPS3809I50 芯片订购指南
| 器件 |
状态 |
温度 (oC) |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| TPS3809I50DBVR |
ACTIVE |
-40 to 85 |
0.28 | 1ku |
SOT-23 (DBV) | 3 |
3000 | LARGE T&R |
PDCI |
| TPS3809I50DBVRG4 |
ACTIVE |
-40 to 85 |
0.28 | 1ku |
SOT-23 (DBV) | 3 |
3000 | LARGE T&R |
PDCI |
| TPS3809I50DBVT |
ACTIVE |
-40 to 85 |
0.32 | 1ku |
SOT-23 (DBV) | 3 |
250 | SMALL T&R |
PDCI |
| TPS3809I50DBVTG4 |
ACTIVE |
-40 to 85 |
0.32 | 1ku |
SOT-23 (DBV) | 3 |
250 | SMALL T&R |
PDCI |
TPS3809I50 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| TPS3809I50DBVR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
TPS3809I50DBVR |
TPS3809I50DBVR |
| TPS3809I50DBVRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
TPS3809I50DBVRG4 |
TPS3809I50DBVRG4 |
| TPS3809I50DBVT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
TPS3809I50DBVT |
TPS3809I50DBVT |
| TPS3809I50DBVTG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
TPS3809I50DBVTG4 |
TPS3809I50DBVTG4 |
TPS3809I50 应用技术支持与电子电路设计开发资源下载
- TPS3809I50 数据资料 dataSheet 下载.PDF
- TI 德州仪器监控电路（电压监控器）产品选型与价格 . xls
TPS3809I50 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| TPS3809I50 评估模块 |
TPS3809I50EVM |
Texas Instruments |
开发电路板/EVM |