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A4805 Dataheets PDF



Part Number A4805
Manufacturers AiT Semiconductor
Logo AiT Semiconductor
Description HIGH VOLTAGE HIGH PRECISION VOLTAGE DETECTOR
Datasheet A4805 DatasheetA4805 Datasheet (PDF)

AiT Semiconductor Inc. www.ait-ic.com A4805 SUPERVISOR (RESET IC) HIGH VOLTAGE HIGH PRECISION VOLTAGE DETECTOR DESCRIPTION FEATURES The A4805 is a series of high voltage high-precision voltage detectors developed using standard CMOS process. The detection voltage is fixed internally with an accuracy of ±2.4% Nch open-drain. Low current consumption and miniature package lineup can meet demand from the portable device applications. A4805 is available in SOT-89-3 & TO-92 packages.  Low curren.

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AiT Semiconductor Inc. www.ait-ic.com A4805 SUPERVISOR (RESET IC) HIGH VOLTAGE HIGH PRECISION VOLTAGE DETECTOR DESCRIPTION FEATURES The A4805 is a series of high voltage high-precision voltage detectors developed using standard CMOS process. The detection voltage is fixed internally with an accuracy of ±2.4% Nch open-drain. Low current consumption and miniature package lineup can meet demand from the portable device applications. A4805 is available in SOT-89-3 & TO-92 packages.  Low current consumption 3μA typ.(VIN=8V)  High-precision detection voltage ±2.4%  Operating voltage range -0.3 V to 22 V  Detection voltage 2.4 V to 7.0 V (0.1V step)  Output form Nch open-drain output (Active Low)  Available in SOT-89-3 & TO-92 packages APPLICATION  Battery checkers  Power failure detectors  Power monitor for portable equipments such as pagers, calculators, electronic notebooks and remote controllers.  Constant voltage power monitor for cameras, video equipments and communication devices.  Power monitor for microcomputers and reset for CPUs. ORDERING INFORMATION TYPICAL APPLICATION Package Type Part Number TO-92 Z A4805ZY-XXN A4805ZVY-XXN SOT89-3 K3 A4805K3R-XXN A4805K3VR-XXN XX: Detect Voltage 30=3.0V, 39=3.9V N: N-channel open drain Note Y: A: Ammo Pack B: Bulk Pack R: Tape & Reel V: Halogen free Package AiT provides all RoHS products Suffix “V” means Halogen free Package Nch Open-drain Output REV1.3 -APR 2009 RELEASED, JUN 2013 UPDATED - -1- AiT Semiconductor Inc. www.ait-ic.com PIN DESCRIPTION A4805 SUPERVISOR (RESET IC) HIGH VOLTAGE HIGH PRECISION VOLTAGE DETECTOR TO-92 1 2 3 Top View Pin # SOT89-3 1 2 3 Top View Symbol VOUT VDD GND Function Voltage detection output pin Voltage input pin GND Pin ABSOLUTE MAXIMUM RATINGS TA = 25℃ VIN, Power Supply Voltage 22V IOUT, Output Current 50mA VOUT, Output Voltage N-ch VSS-0.3V ~22V PD, Power Dissipation TO-92 SOT-89-3 300mW 500mW TOPR, Operation ambient Temperature -40℃~+85℃ Stresses beyond may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the Electrical Characteristics are not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. REV1.3 -APR 2009 RELEASED, JUN 2013 UPDATED - -2- AiT Semiconductor Inc. www.ait-ic.com A4805 SUPERVISOR (RESET IC) HIGH VOLTAGE HIGH PRECISION VOLTAGE DETECTOR ELECTRICAL CHARACTERISTICS VDF (T) = 2.4 to 7.0V ±2.4% TA=25℃ Parameter Symbol Conditions Detection Voltage VDF Release Voltage Current Consumption Output Sink Current Output source Current Temperature Coefficient VHYS ISS VIN = 8V VDD =3.0V VOUT =0.3V VDD =3.3V VOUT =0.33V IOL VDD =3.6V VOUT =0.36V VDD =4.1V VOUT =0.41V VDD =3.6V VOUT =3.3V VDD =3.9V VOUT =3.6V IOH VDD =4.2V VOUT =3.9V VDD =4.8V VOUT =4.4V -40~+85℃ Min VDF x0.976 VDF x0.02 0.8 1.0 1.2 6.0 0.6 1.0 1.2 1.6 Typ..


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