7044A-1 Integrated Circuit Chip three terminal TinyPower Voltage Detector

HT70XXA-1

TinyPower^TM Voltage Detector

Features

• Low power consumption

• Low temperature coefficient

• High input voltage range (up to 24V)

• Output voltage accuracy: tolerance
3%

• Built-in hysteresis characteristic

• TO-92, SOT-89 and SOT-25 package

Applications

• Battery checkers

• Level selectors

• Power failure detectors

• Microcomputer reset

• Battery memory backup

• Non-volatile RAM signal storage protectors

General Description

The HT70XXA-1 series devices area set of three terminal low power voltage detectors implemented in CMOS technology. Each voltage detector in the series detects a particular fixed voltage ranging from 2.2V to 5V. The voltage detectors consist of a high-precision and low power consumption standard voltage source as well as a comparator, hysteresis circuit, and an output driver. CMOS technology ensures low power consumption.

Although designed primarily as fixed voltage detectors, these devices can be used with external components to detect user specified threshold voltages.

Block Diagram

N Channel Open Drain Output (Normal Open; Active Low)

Absolute Maximum Ratings

Supply Voltage .............................................................................. V_SS-0.3V to V_SS+26V

Output Voltage.............................................................................. V_SS-0.3V to V_DD+0.3V

Output Current........................................................................................................ 50mA

Storage Temperature .................................................................................-50℃ to 125℃

Power Consumption ............................................................................................ 200mW

Operating Temperature................................................................................-40℃ to 85℃

Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

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7044A-1 Integrated Circuit Chip three terminal TinyPower Voltage Detector Images