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AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 1 - DESCRIPTION FEATURES The A4806 series is a series of high- precision voltage detectors developed using CMOS process. The detection voltage is fixed internally with an accuracy of ±2.0%. Two output forms, Nch open-drain and CMOS output, are available. Ultra-low current consumption and miniature package lineup can meet demand from the portable device applications. A4806 is available in SOT-23 package.  Ultra-low current consumption 2.0μA typ. (Vin=1.5V)  High-precision detection voltage ±2.0%  Operating voltage range 0.7V to 8.0V  Detection voltage 1.0V to 6.0V (0.1V step)  Output form Nch open- drain output (Active Low) or CMOS output (Active Low)  Available in SOT-23 Package 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

SPQ: 3,000pcs/Reel E3 A4806E3R-XXZ A4806E3VR-XXZ Note XX: Detect Voltage 29=2.9V, 33=3.3V Z: N=Nch, C=CMOS V: Halogen free Package R: Tape & Reel AiT provides all RoHS products TYPICAL APPLICATION CMOS Output Nch Open-drain Output Test circuit

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 2 - PIN DESCRIPTION Top View Pin # Symbol Function

1 VOUT Output pin

2 VSS GND pin

3 VIN Voltage Input pin

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 3 - ABSOLUTE MAXIMUM RATINGS TA = 25℃ VIN, Power Supply Voltage 8V IOUT, Output Current 50mA VOUT, Output Voltage CMOS Vss-0.3V～Vin+0.3V N-ch Vss-0.3V～8V PD, Power Dissipation SOT-23 150mW TOPR, Operating Ambient Temperature -40℃～+85℃ Stress beyond above listed “Absolute Maximum Ratings” may lead permanent damage to the device. These are stress ratings only and operations of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

VDF (T) =1.0 to 6.0V ±2% TA=25℃ Parameter Symbol Conditions Min Typ. Max Unit Test circuit Detection Voltage VDF VDFx0.98 VDF VDFx1.02 V 1 Release Voltage VHYS - VDFx0.05 - V 1 Current Consumption ISS VIN = 1.0V - 2.0 2.2 uA 2 VIN = 1.5V - 2.0 2.4 VIN = 2.0V - 2.0 2.8 VIN = 3.0V - 2.0 3.1 VIN = 4.0V - 2.0 3.3 VIN = 5.0V - 2.0 3.7 Operating voltage VIN VDF=1.0～6.0V 0.7 - 8 V 1 Output current IOUT Nch VDS=0.5V VIN = 1.0V 1.0 2.2 - mA VIN = 1.5V 2.0 5.7 - VIN = 2.0V 3.0 7.7 - VIN = 3.0V 5.0 10.1 - VIN = 4.0V 6.0 11.5 - VIN = 5.0V 7.0 13.0 - Pch VDS=2.1 VIN=8.0 - -10 -2 4 Temperature Coefficient -40~+85℃ - ±100 - ppm/

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 4 - TEST CIRCUIT Circuit 1 Circuit 2 Circuit 3 Circuit 4

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 5 - BLOCK DIAGRAM CMOS Output Products Nch Open-drain Output Products

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 6 - DETAILED INFORMATION Timing Chart Operation

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 7 - 1-1. When the power supply voltage (V DD) is higher than the release voltage (V DF), the Nch transistor is OFF and the Pch transistor is ON to provide VDD (high) at the output. 1-2. When the power supply voltage (VDD) is lower than the release voltage (VDF), the Nch transistor is ON and the Pch transistor is OFF to provide VSS (low) at the output. 1-3. When the VDD falls below the minimum operating voltage, the output becomes undefined, or goes to the VDD when the output is pulled up to the VDD. 1-4. The VSS level appears when the VDD is VSS level. 1-5. The V SS level appears when the V DD rises above the minimum operating voltage. The V SS level still appears even when the VDD surpasses − VDF, as long as it does not exceed the release voltage + VDF. 1-6. When the VDD rises above + VDF the Nch transistor becomes OFF and the Pch transistor becomes ON to provide VDD level at the output. Application Circuit Examples Microcomputer Reset Circuits The same supply voltage with CPU (CMOS output) The same supply voltage with CPU (NCH Open drain output)

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 8 - The different supply voltage with CPU (NCH open drain output) Power-on Reset Circuit Nch Open Drain Nch Open Drain Memory Back-up Circuit

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 9 - Power failure detectors Overcharge protect circuit Window Comparator Circuit Detector Adjustable Circuit

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 10 -

PACKAGE INFORMATION

Dimension in SOT-23 Package (Unit: mm) Symbol Millimeters Inches Min. Max. Min. Max. A 1.050 1.250 0.041 0.049 A1 0.000 0.100 0.000 0.004 A2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 D 2.820 3.020 0.111 0.119 E 1.500 1.700 0.059 0.067 E1 2.650 2.950 0.104 0.116 e 0.950(BSC) 0.037(BSC) e1 1.800 2.000 0.071 0.079 L 0.300 0.600 0.012 0.024 θ 0° 8° 0° 8°

AiT Semiconductor Inc. www.ait-ic.com A4806 SUPERVISOR (RESET IC) U LT R A-SMALL PACKAGE HIGH-PRECISION VOL TAGE DETECTOR REV2.0 - SEP 2006 RELEASED, NOV 2017 UPDATED - - 11 - IMPORTANT NOTICE AiT Semiconductor Inc. (AiT) reserves the right to make changes to any its product, specifications, to discontinue any integrated circuit product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing orders, that the information being relied on is current. AiT Semiconductor Inc. 's integrated circuit products are not designed, intended, authorized, or warranted to be suitable for use in life support applications, devices or systems or other critical applications. Use of AiT products in such applications is understood to be fully at the risk of the customer. As used herein may involve potential risks of death, pe rsonal injury, or server property, or environmental damage. In order to minimize risks associated with the customer's applications, the customer should provide adequate design and operating safeguards. AiT Semiconductor Inc . assumes to no liability to customer product design or application support. AiT warrants the performance of its products of the specifications applicable at the time of sale.