UNISONIC TECHNOLOGIES CO., LTD U3144 Preliminary LINEAR INTEGRATED CIRCUIT SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION DESCRIPTION UTC U3144 is a semiconductor integrated circuit utilizing the Hall effect. It has been so designed as to operate in the alternating magnetic field especially at low supply voltage and operation over extended temperature ranges to +85°С.This Hall IC is suitable for application to various kinds of sensors, contact-less switches, and the like. 1 SOT-89 FEATURES * Wide temperature operation range of -20°С ~ +85°С * Wide supply voltage range of 4.5V to 24V * TTL and MOS IC are directly drivable by the output * Reverse Battery Protection * Activate with Small, Commercially Available Permanent Magnets * Solid-State Reliability * SOT-89 package * Resistant to Physical Stress ORDERING INFORMATION Ordering Number U3144G-AB3-R Package SOT-89 Packing Tape Reel MARKING www.unisonic.com.tw Copyright © 2016 Unisonic Technologies Co., Ltd 1 of 4 QW-R118-026 .a U3144 Preliminary PIN CONFIGURATION PIN DESCRIPTION PIN NO. 1 2 3 PIN NAME VCC GND OUTPUT LINEAR INTEGRATED CIRCUIT DESCRIPTION Power supply Ground pin Output pin BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 4 QW-R118-026 .a U3144 Preliminary LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING (TA = 25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 28 V Reverse Battery Voltage VRCC -35 V Magnetic Flux Density B Unlimited Output OFF Voltage VOUT 28 V Reverse Output Voltage VOUT -0.5 V Continuous Output Current IOUT 25 mA Operating Temperature Range TA -40 ~ +85 °C Storage Temperature Range, TSTG -65 ~ +170 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL RESISTANCES CHARACTERISTICS (VCC=8 V over operating temperature range) PARAMETER Supply Voltage Output Saturation Voltage Output Leakage Current Supply Current Output Rise Time Output Fall Time SYMBOL VCC VOUT(SAT) IOFF ICC tr tf TEST CONDITIONS Operating IOUT=20mA, B>BOP VOUT=24V, B<BRP B<BRP(Output OFF) RL=820Ω, CL=20pF RL= 820Ω, CL=20pF MIN 4.5 TYP 175 <1.0 4.4 0.04 0.18 MAX 24 400 10 9.0 2.0 2.0 UNIT V mV µA mA µs µs MAGNETIC CHARACTERISTICS IN GAUSS OVER OPERATING SUPPLY VOLTAGE RANGE (TA = 25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Operate Point BOP 70 350 G Release Point BRP 50 330 G Hysteresis Bhys 25 G Notes: 1. Typical values are at TA=+25°C and VCC=8 V 2. BOP=operate point (output turns ON); BRP=release point (output turns OFF); Bhys=hysteresis (BOP-BRP) 3. 1 gauss (G) is exactly equal to 0.1 millitesla (mT) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 4 QW-R118-026 .a U3144 Preliminary LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 4 QW-R118-026 .a