MC3063 UTC | Alldatasheet
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UNISONIC TECHNOLOGIES CO., LTD MC3063 Preliminary CMOS IC www.unisonic.com.tw 1 of 4 Copyright © 2022 Unisonic Technologies Co., Ltd QW-R115-024.c 1.5A, STEP-UP/DOWN/INVERTING SWITCHING REGULATORS DESCRIPTION The UTC MC3063 Series is a higher frequency DC −DC converters. These devices consis t of an internal temperature compensated reference, comparator, a controlled duty cycle oscillator with an active current limit circuit, a driver and a high current output switch. This series was specifically designed to be incorporated in Step −Down, Step −Up and Voltage −Inverting applications with a minimum number of external components. FEATURES * MAX. 40V Input * Output Switch Current to 1.5A * Output Voltage Adjustable * Frequency Operation of 150kHz * Precision 1.5% Reference SOP-8 ORDERING INFORMATION Ordering Number Package Packing Lead Free Halogen Free MC3063L-S08-R MC3063G-S08-R SOP-8 Tape Reel MARKING
MC3063 Preliminary CMOS IC UNISONIC TECHNOLOGIES CO., LTD 2 of 4 www.unisonic.com.tw Q W - R 1 1 5 - 0 2 4 . c PIN CONFIGURATION PIN DESCRIPTION PIN NO. PIN NAME DESCRIPTION
1 SC Internal Darlington switch collector
2 SE Internal Darlington switch emitter
3 CT Timing Capacitor
4 GND Ground
5 FB Feedback Voltage
6 V IN Voltage Supply
7 CS Peak Current Sense
8 N.C. Pin Not Connected BLOCK DIAGRAM
MC3063 Preliminary CMOS IC UNISONIC TECHNOLOGIES CO., LTD 3 of 4 www.unisonic.com.tw Q W - R 1 1 5 - 0 2 4 . c ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT VIN Pin 6 V CC 0 ~ +40 V FB Pin 5 V CII -0.2 ~ +V CC V Darlington SC Pin 1 V SWC 0 ~ +40 V Darlington SE Pin 2 (Transistor OFF) V SWE -0.6 ~ +V CC V Darlington SC to SE Pin 1~2 V SWCE 0 ~ +40 V Darlington Switch Current I SW 1.5 A CS Pin 7 V IPK -0.2 ~ V CC+0.2 V CT Pin 3 V TCAP -0.2 ~ +1.4 V 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. POWER DISSIPATION AND THERMAL CHARACTERISTICS PARAMETER SYMBOL RATINGS UNIT Operating Junction Temperature Range T J 0 ~ +70 °C Maximum Junction Temperature T J_MAX +150 °C Storage Temperature Range T STG -65 ~ +150 °C THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient θJA 180 °C/W Junction to Case θJC 45 °C/W ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT OSCILLATOR Frequency f OSC V Pin 5=0V, CT=2.2nF, TJ=25°C 110 150 190 kHz Capacitor Discharging Current I DISCHG Pin 7 to V IN, TJ=25°C 1600 μA Capacitor Charging Current I CHG Pin 7 to V IN, TJ=25°C 270 μA Current Limit Sense Voltage V IPK (Sense) TJ=25°C 165 200 235 mV OUTPUT SWITCH Darlington Switch Collector to Emitter Voltage Drop VSWCE (DROP) ISW=1.0A, Pin 2 to GND, TJ=25°C 1.0 1.3 V Collector Off−State Current I C (OFF) V CE=40V 0.01 100 μA COMPARATOR Feedback Voltage V FB TJ=25°C 1.250 V -1.5 +1.5 % Threshold Voltage Line Regulation REGLINE V IN=5.0V~40V -6.0 2.0 6.0 mV TOTAL DEVICE Supply Current I IN VIN=5.0V~40V, CT=2.2nF, Pin 7=VIN, VPin 5>Vth, Pin 2=GND, remaining pins open 7.0 mA Thermal Shutdown Threshold 160 °C Hysteresis 10 °C Note: TLOW=0°C, Thigh=+70°C.
MC3063 Preliminary CMOS IC UNISONIC TECHNOLOGIES CO., LTD 4 of 4 www.unisonic.com.tw Q W - R 1 1 5 - 0 2 4 . c 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. UTC reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof.