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TPS3619-33-EP - BACKUP-BATTERY SUPERVISORS

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General Description

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).

Overview

TPS3619-33-EP, TPS3619-50-EP TPS3620-33-EP, TPS3620-50-EP www.ti.

Key Features

  • 1.
  • Supply Current of 40 mA (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-Outlin.

More Datasheets from Texas Instruments

Part Number Description
TPS3619-33 BACKUP-BATTERY SUPERVISORS
TPS3619-50 BACKUP-BATTERY SUPERVISORS
TPS3619-50-EP BACKUP-BATTERY SUPERVISORS
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