TPS3808G19 - 低静态电流可编程延迟监控电路

TPS3808G19是TI德州仪器公司的一款无产品，TPS3808G19是低静态电流可编程延迟监控电路，本站介绍了TPS3808G19的封装应用图解、特点和优点、功能等，并给出了与TPS3808G19相关的TI元器件型号供参考。

TPS3808G19 - 低静态电流可编程延迟监控电路 - 无 - 监控器和复位IC - 德州仪器

产品特性

Power-On Reset Generator with Adjustable Delay Time: 1.25 ms to 10 s
Very Low Quiescent Current: 2.4 μA Typical
High Threshold Accuracy: 0.5% Typ
Fixed Threshold Voltages for Standard Voltage Rails from 0.9 V to 5 V and Adjustable Voltage Down to 0.4 V Are Available
Manual Reset (MR) Input
Open-Drain RESET Output
Temperature Range: –40°C to 125°C
Small SOT-23 and 2-mm × 2-mm WSON Packages

产品应用

DSP or Microcontroller Applications
Notebook and Desktop Computers
PDAs and Hand-Held Products
Portable and Battery-Powered Products
FPGA and ASIC Applications

产品说明

The TPS3808 family of microprocessor supervisory circuits monitors system voltages from 0.4V to 5V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds.

The TPS3808 device uses a precision reference to achieve 0.5% threshold accuracy for VIT≤ 3.3 V. The reset delay time can be set to 20ms by disconnecting the CT pin, 300ms by connecting the CT pin to VDD using a resistor, or can be user-adjusted between 1.25ms and 10s by connecting the CT pin to an external capacitor. The TPS3808 device has a very low typical quiescent current of 2.4μA, so it is well-suited to battery-powered applications. It is available in the SOT-23 and 2-mm × 2-mm WSON packages, and is fully specified over a temperature range of –40°C to 125°C (TJ).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS3808	SOT-23 (6)	2.90 mm x 1.60 mm
TPS3808	WSON (6)	2.00 mm x 2.00 mm

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