TPS3619-33-EP - 用于 RAM 保持的电池备份监控器

TPS3619-33-EP是TI德州仪器公司的一款无产品，TPS3619-33-EP是用于 RAM 保持的电池备份监控器，本站介绍了TPS3619-33-EP的封装应用图解、特点和优点、功能等，并给出了与TPS3619-33-EP相关的TI元器件型号供参考。

TPS3619-33-EP - 用于 RAM 保持的电池备份监控器 - 无 - 监控器和复位IC - 德州仪器

产品描述

The TPS3619 and TPS3620 families of supervisory circuits monitor and control processor activity by providing backup-battery switchover for data retention of CMOS RAM.

During power on, RESET is asserted when the supply voltage (VDD or VBAT) becomes higher than 1.1 V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET output 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 starts after VDD has risen above VIT. When the supply voltage drops below VIT, the output becomes active (low) again.

The product spectrum is designed for supply voltages of 3.3 V and 5 V. The TPS3619 and TPS3620 are available in an 8-pin MSOP package and are characterized for operation over a temperature range of –55°C to 125°C.

产品特性

Supply Current of 40 µA (Max)
Battery-Supply Current of 100 nA (Max)
Precision Supply-Voltage Monitor 3.3 V, 5 V, and Other Options on Request
Backup-Battery Voltage Can Exceed VDD
Power-On Reset Generator with Fixed 100-ms Reset Delay Time
Voltage Monitor for Power-Fail or Low-Battery Monitoring
Battery Freshness Seal (TPS3619)
Pin-to-Pin Compatible With MAX819, MAX703, and MAX704
8-Pin Mini Small-Outline Package (MSOP) Package
SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Military (–55°C/125°C) Temperature Range(1)
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability
APPLICATIONS
- Fax Machines
- Set-Top Boxes
- Advanced Voice-Mail Systems
- Portable Battery-Powered Equipment
- Computer Equipment
- Advanced Modems
- Automotive Systems
- Portable Long-Time Monitoring Equipment
- Point-of-Sale Equipment

(1) Additional temperature ranges available - contact factory

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