TLC7703 具有可编程时间延迟的 3.0V 系统的单电源监控器
|
TLC7703 |
| No. of Supervisors |
1 |
| Vit1(Typ)(V) |
2.63 |
| Reset Threshold Accuracy(%) |
2.7 |
| Time Delay(ms) |
Prog |
| IDD(Typ)(uA) |
9 |
| Pin/Package |
8PDIP, 8SOIC, 8TSSOP |
| Rating |
Catalog |
TLC7703 描述
The TLC77xx family of micropower supply voltage supervisors provide reset control, primarily in microcomputer and microprocessor systems.
During power-on, RESET\ is asserted when VDD reaches 1 V. After minimum VDD ≥ 2 V) is established, the circuit monitors SENSE voltage and keeps the reset outputs active as long as SENSE voltage (VI(SENSE)) remains below the threshold voltage. An internal timer delays return of the output to the inactive state to ensure proper system reset. The delay time, td, is determined by an external capacitor:
td = 2.1 × 104 × CT
Where
CT is in farads
td is in seconds
Except for the TLC7703, which can be customized with two external resistors, each supervisor has a fixed SENSE threshold voltage set by an internal voltage divider
TLC7703 特性
- Power-On Reset Generator
- Automatic Reset Generation After Voltage Drop
- Precision Voltage Sensor
- Temperature-Compensated Voltage Reference
- Programmable Delay Time by External Capacitor
- Supply Voltage Range...2 V to 6 V
- Defined RESET\ Output from VDD ≥ 1 V
- Power-Down Control Support for Static RAM With Battery Backup
- Maximum Supply Current of 16 µA
- Power Saving Totem-Pole Outputs
- Temperature Range...–40°C to 125°C
TLC7703 芯片订购指南
TLC7703 应用技术支持与电子电路设计开发资源下载
- TLC7703 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
