TPS3895 - 具有高电平有效、推挽输出的超小型、单通道、可调节监控电路

TPS3895是TI德州仪器公司的一款无产品，TPS3895是具有高电平有效、推挽输出的超小型、单通道、可调节监控电路，本站介绍了TPS3895的封装应用图解、特点和优点、功能等，并给出了与TPS3895相关的TI元器件型号供参考。

TPS3895 - 具有高电平有效、推挽输出的超小型、单通道、可调节监控电路 - 无 - 监控器和复位IC - 德州仪器

产品特性

Very Small USON (1.45 mm × 1.00 mm) Package
Adjustable Threshold Down to 500 mV
Threshold Accuracy: 1% Over Temperature
Capacitor-Adjustable Delay Time
Low Quiescent Current: 6 µA (Typical)
External Enable Input
Open-Drain (Rated at 18 V) and Push-Pull Output Options
Temperature Range: –40°C to 125°C
Pin-for-Pin Compatible With MAX6895/6/7/8

产品应用

DSPs, Microcontrollers, and Microprocessors
Notebook and Desktop Computers
PDAs and Handheld Products
Portable and Battery-Powered Products
FPGAs and ASICs

产品说明

The TPS3895, TPS3896, TPS3897, and TPS3898 devices (TPS389x) are a family of very small supervisory circuits that monitor voltages greater than 500 mV with a 0.25% (typical) threshold accuracy and offer adjustable delay time using external capacitors. The TPS389x family also has a logic enable pin (ENABLE or ENABLE) to power on and off the output. With the TPS3895, for example, when the input voltage pin (SENSE) rises above the threshold, and the ENABLE pin is high, then the output pin (SENSE_OUT) goes high after the capacitor-adjustable delay time. When SENSE falls below the threshold or ENABLE is low, then SENSE_OUT goes low. For truth tables, see Table 1 and Table 2.

For TPS389xA versions, both SENSE and ENABLE have a capacitor-adjustable delay. The output asserts after this capacitor-adjustable delay when both SENSE and ENABLE inputs are good. The TPS389xP devices have a small, 0.2-µs propagation delay from when the enable pin asserts to when the output pin asserts, provided SENSE is above the threshold.

All devices operate from 1.7 V to 6.5 V and have a typical quiescent current of 6 µA with an open-drain output rated at 18 V. The TPS389x is available in an ultra-small USON package and is fully specified over the temperature range of TJ = –40°C to 125°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS389x	USON (6)	1.45 mm × 1.00 mm

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