TPS3619-33DGKR 原装 监控电路

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 –40°C to +85°C.

 

TPS3619-33DGKR 原装 监控电路 的技术参数：

类型	备用电池电路
受监控电压数	1
电压 - 阈值	2.93V
输出	推挽式/图腾柱
复位	低有效
复位超时	(MIN)为 60ms
工作温度	-40°C ~ 85°C（TA）
安装类型	表面贴装型
封装/外壳	8-TSSOP，8-MSOP（0.118"，3.00mm 宽）
供应商器件封装	8-VSSOP

 

TPS3619-33DGKR 原装 监控电路 的描述：

Supply Current of 40 μA (Max)

Battery-Supply Current of 100 nA (Max)

Precision Supply Voltage Monitor 3.3 V, 5 V, 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-For-Pin Compatible With MAX819, MAX703, and MAX704

8-Pin MSOP Package

Temperature Range –40°C to +85°C

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

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