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A4809

AiT Semiconductor
Part Number A4809
Manufacturer AiT Semiconductor
Description ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
Published Jun 2, 2015
Detailed Description AiT Semiconductor Inc. www.ait-ic.com A4809 SUPERVISOR (RESET IC) ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR W...
Datasheet PDF File A4809 PDF File

A4809
A4809

Overview
AiT Semiconductor Inc.
www.
ait-ic.
com A4809 SUPERVISOR (RESET IC) ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT DESCRIPTION FEATURES A4809 is a series of high precision voltage detector with ultra low current consumption (500nA typ.
at VDD=VTH+1V) and a built-in delay circuit.
It can work at very low voltage, which makes it perfect for system reset.
A4809 is composed of high precision voltage reference, comparator, delay circuit, output driver and resistor array.
Internally preset detect voltage has a low temperature drift and requires no external trimming.
Two type of output, CMOS and N-channel open-drain are available.
 High-precision detection Voltage: ±2%  Detection Voltage: 1.
6V~5.
0V (in 0.
1V steps)  Built-in Power on Reset Delay Time circuit: Refer to Selection Guide  Operating Voltage range: 1.
0V~6.
0V  Ultra-low current consumption: 0.
9uA typ.
(at VDD=3V)  Two Output forms: CMOS and N-channel open-drain (Active Low)  Available in SOT-23 and SOT-23S packages APPLICATION A4809 is available in SOT-23 and SOT-23S packages.
ORDERING INFORMATION  Power monitor for portable equipment such as PDA, DSC, Mobile phone,Notebook,MP3  CPU and Logic Circuit Reset  Battery Checker  Battery Back-up Circuit  Power Failure Detector Package Type Part Number SOT-23 SOT-23S A4809E3R-XXXDZ E3 A4809E3VR-XXXDZ E3S A4809E3SR-XXXDZ A4809E3SVR-XXXDZ XXX: Detector Voltage 263=2.
63V; 293=2.
93V D: Delay Time; 200mS Note Z: C=CMOS; N=Nch V: Halogen Free Package R: Tape & Reel SPQ: 3,000pcs/Reel AiT provides all RoHs products Suffix “ V “ means Halogen Free Package TYPICAL APPLICATION REV3.
0 - MAR 2006 RELEASED, JAN 2014 UPDATED - -1- AiT Semiconductor Inc.
www.
ait-ic.
com PIN DESCRIPTION A4809 SUPERVISOR (RESET IC) ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT Pin # 1 2 3 Top View Symbol VSS VOUT VDD Top View Function GND Pin Voltage detection output Pin Voltage input Pin ABSOLUTE MAXIMUM RATINGS ...


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