AWS703808ADJCSTR

Low-Power, Programmable-Delay Supervisory Circuits

Datasheet :

Product details

Parameters

Power Supply (Min) (V)	1.7
Power Supply (Max) (V)	5.5
Threshold Voltage typ. (V)	0.405
Threshold Acurracy （%）	2.5
ISUPPLY typ.(uA)	2.2
Vcc To Reset Delay typ.(us)	300
Time delay typ.(ms)	1000
Reset Output	Open Drain；Active Low
Manual Reset	YES
Power Fail Input	NO
Temperature	-40℃~125℃
Watch Dog	NO
Package (mm)	SOT23-6L

Package | Pins | Size

SOT23-6L

Features

⚫ 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: 2.5% (Typical) ⚫ 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 (MRB) Input ⚫ Open-Drain RESETN Output ⚫ -40°C to 125°C Operating Temperature Range ⚫ Package ◼ WBSOT23-6L(1.25)

Description

The AWS703808 family of microprocessor supervisory circuits monitors system voltages from 0.4 V to 5 V, asserting an open-drain RESETN signal when the SENSE voltage drops below a preset threshold or when the manual reset (MRB) pin drops to a logic low. The RESETN output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MRB) return above the respective thresholds. The AWS703808 device uses a precision reference to achieve 2.5% threshold accuracy for VIT ≤ 3.3 V. The reset delay time can be set to 20 ms by disconnecting the CT pin, 300 ms by connecting the CT pin to VDD using a resistor, or can be useradjusted between 1.25 ms and 10 s by connecting the CT pin to an external capacitor. The AWS703808 device has a very low typical quiescent current of 2.4 μA, so it is well-suited to battery-powered applications. It is fully specified over a temperature range of -40°C to 125°C (TJ).

Technical documentation

	Type	Title		Language		Date
	Datasheet	DS_AWS703808_EN_V1.2		英文		2025-10-20

Design & development

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Hardware development

Evaluation board

AWS703808_CSTR EVB V1.0 — The ‌AWS703808_CSTR EVB V1.0‌ is an evaluation board for the reset IC, featuring programmable threshold voltage and delay time for reset functions.

The ‌AWS703808_CSTR EVB V1.0‌ is an evaluation board for the reset IC, featuring programmable threshold voltage and delay time for reset functions.

View options

Hardware development

Evaluation board

AWS703808_CSTR EVB V1.0 — The ‌AWS703808_CSTR EVB V1.0‌ is an evaluation board for the reset IC, featuring programmable threshold voltage and delay time for reset functions.

The ‌AWS703808_CSTR EVB V1.0‌ is an evaluation board for the reset IC, featuring programmable threshold voltage and delay time for reset functions.

View options