TLV803MDBZT集成电路（IC）的监控器规格书PDF中文资料

TLV803MDBZT属于集成电路（IC）的监控器。由德州仪器制造生产的TLV803MDBZT监控器PMIC 监控器用于监视和/或控制电路中的电压轨，能够连接微控制器以维持一定的功率限值。监控器类型包括电池备用电路、监控器、多电压监控器、电源监控器、稳压器/监控器、复位计时器、定序器、简单复位/上电复位、智能开/关控制器、系统管理器、电压检测器和看门狗电路。

1 Features

• 3-Pin SOT23 Package

• Supply Current: 9 μA (Typical)

• Precision Supply Voltage Monitor:

2.5 V, 3 V, 3.3 V, 5 V

• Power-On Reset Generator with

Fixed Delay Time of 200 ms

• Pin-for-Pin Compatible with MAX803

• Temperature Range: –40°C to +125°C

• Open-Drain, RESET Output

2 Applications

• Factory Automation

• Portable and Battery-Powered Equipment

• Set-Top Boxes

• Servers

• Appliances

• Electricity Meters

• Building Automation

3 Description

The TLV8x3 family of supervisory circuits provides

circuit initialization and timing supervision, primarily

for DSPs and processor-based systems.

The TLV803, TLV853, and TLV863 are functionally

equivalent. The TLV853 and TLV863 provide an

alternate pinout of the TLV803. The newer TLV803E

device is a pin-to-pin alternative to all of these 3.

During power on, RESET asserts when the supply

voltage (VDD) exceeds 1.1 V. Thereafter, the

supervisory circuit monitors VDD and keeps RESET

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 (td(typ) = 200 ms) starts

after VDD exceeds the threshold voltage, VIT. When

the supply voltage drops below the VIT threshold

voltage, the output is active (low) again. All the

devices in this family have a fixed sense-threshold

voltage (VIT) set by an internal voltage divider.

The product spectrum is designed for supply voltages

of 2.5 V, 3 V, 3.3 V, and 5 V. These devices are

available in a 3-pin SOT-23 package. The TLV803

devices are characterized for operation over a

temperature range of –40°C to +125°C.