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| ON Semiconductort Micropower Voltage Regulator The MC78FC00 series voltage regulators are specifically designed for use as a power source for video instruments, handheld communication equipment, and battery powered equipment. The MC78FC00 series voltage regulator ICs feature a high accuracy output voltage and ultra-low quiescent current. Each device contains a voltage reference unit, an error amplifier, a driver transistor, and resistors for setting output voltage, and a current limit circuit. These devices are available in SOT-89 surface mount packages, and allow construction of an efficient, constant voltage power supply circuit. MC78FC00 Series Features: MC78FC00 Series MICROPOWER ULTRA-LOW QUIESCENT CURRENT VOLTAGE REGULATORS SEMICONDUCTOR TECHNICAL DATA * * * * * * * * Ultra-Low Quiescent Current of 1.1 A Typical Ultra-Low Dropout Voltage (100 mV at 10 mA) Large Output Current (up to 120 mA) Excellent Line Regulation (0.1%) Wide Operating Voltage Range (2.0 V to 10 V) High Accuracy Output Voltage (2.5%) Wide Output Voltage Range (2.0 V to 6.0 V) Surface Mount Package (SOT-89) TAB 1 H SUFFIX PLASTIC PACKAGE CASE 1213 (SOT-89) PIN CONNECTIONS Ground Input Package Output 1 2 3 (Top View) Tab (Tab is connected to Pin 2) ORDERING INFORMATION Device MC78FC30HT1 MC78FC33HT1 MC78FC40HT1 MC78FC50HT1 Output Voltage 3.0 3.3 4.0 5.0 Operating Temperature Range TA = -30 to +80C SOT-89 Other voltages from 2.0 to 6.0 V, in 0.1 V increments, are available upon request. Consult factory for information. Standard Application Input 2 MC78FCXX Cin 1 3 Output CO Representative Block Diagram Vin 2 3 VO Vref 1 Gnd This device contains 11 active transistors. (c) Semiconductor Components Industries, LLC, 2001 1 April, 2001 - Rev. 2 Publication Order Number: MC78FC00/D MC78FC00 Series MAXIMUM RATINGS (TC = 25C, unless otherwise noted.) Rating Input Voltage Symbol VCC Value 10 Unit Vdc AAA A A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAA A A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAA A A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAA A A A A AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAA A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A AAAAAA AA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAA A AAA A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA Power Dissipation and Thermal Characteristics Maximum Power Dissipation Case 1213 (SOT-89) H Suffix Thermal Resistance, Junction-to-Ambient Operating Junction Temperature Operating Ambient Temperature Storage Temperature Range PD RJA TJ TA 300 333 125 mW C/W C C C -30 to +80 Tstg -40 to +125 NOTE: ESD data available upon request. ELECTRICAL CHARACTERISTICS (Vin = VO + 1.0 V, IO = 10 mA, TJ = 25C [Note 1], unless otherwise noted.) Characteristic Symbol VO Min Typ 3.0 3.3 4.0 5.0 0.1 40 Output Voltage 30HT1 Suffix (Vin = 5.0 V) 33HT1 Suffix (Vin = 6.0 V) 40HT1 Suffix (Vin = 7.0 V) 50HT1 Suffix (Vin = 8.0 V) Max Unit V 2.925 3.218 3.900 4.875 - - 3.075 3.382 4.100 5.125 - Line Regulation Vin = [VO + 1.0] V to 10 V, IO = 10 mA Load Regulation Vin = [VO + 1.0], IO = 1.0 to 10 mA Output Current 30HT1 Suffix (Vin = 5.0 V) 33HT1 Suffix (Vin = 6.0 V) 40HT1 Suffix (Vin = 7.0 V) 50HT1 Suffix (Vin = 8.0 V) Dropout Voltage IO = 40 mA Regline mV mV mA Regload IO 80 50 65 65 80 - 80 100 100 120 0.5 - - - - Vin - VO ICC 0.7 V Quiescent Current 30HT1 Suffix (Vin = 5.0 V) 33HT1 Suffix (Vin = 5.0 V) 40HT1 Suffix (Vin = 6.0 V) 50HT1 Suffix (Vin = 7.0 V) A - - - - - 1.1 1.1 1.2 1.3 3.3 3.3 3.6 3.9 - Output Voltage Temperature Coefficient TC 100 ppm/C NOTE: 1. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible. DEFINITIONS Dropout Voltage - The input/output voltage differential at which the regulator output no longer maintains regulation against further reductions in input voltage. Measured when the output drops 100 mV below its nominal value (which is measured at 1.0 V differential), dropout voltage is affected by junction temperature, load current and minimum input supply requirements. Line Regulation - The change in output voltage for a change in input voltage. The measurement is made under conditions of low dissipation or by using pulse techniques such that average chip temperature is not significantly affected. Load Regulation - The change in output voltage for a change in load current at constant chip temperature. Maximum Power Dissipation - The maximum total device dissipation for which the regulator will operate within specifications. Quiescent Bias Current - Current which is used to operate the regulator chip and is not delivered to the load. http://onsemi.com 2 MC78FC00 Series 5.1 V in -V O , DROPOUT VOLTAGE (V) VO , OUTPUT VOLTAGE (V) 5.0 4.9 4.8 4.7 0 TA = 80C 0.8 IO = 50 mA MC78FC00 Series TA = 25C TA = -30C 0.6 TA = 25C 0.4 0.2 IO = 1.0 mA 0 1.0 IO = 10 mA MC78FC50HT1 0 50 100 150 200 250 0 2.0 3.0 4.0 5.0 6.0 7.0 IO, OUTPUT CURRENT (mA) Vreg, SET OUTPUT VOLTAGE (V) Figure 1. Output Voltage versus Output Current Figure 2. Dropout versus Set Output Voltage 1.5 ICC, QUIESCENT CURRENT (mA) 1.3 1.1 0.9 0.7 0.5 -40 V in -V O , DROPOUT VOLTAGE (V) MC78FC50HT1 0.8 MC78FC50HT1 TA = 80C 0.6 0.4 TA = 25C TA = -30C 0.2 -20 0 20 40 60 80 100 120 0 0 20 40 60 80 100 TA, AMBIENT TEMPERATURE (C) IO, OUTPUT CURRENT (mA) Figure 3. Quiescent Current versus Temperature Figure 4. Dropout Voltage versus Output Current INPUT VOLTAGE/OUTPUT VOLTAGE (V) 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 0.5 1.0 1.5 2.0 t, TIME (ms) 2.5 3.0 3.5 4.0 Output Voltage Input Voltage Figure 5. Line Transient Response http://onsemi.com 3 MC78FC00 Series APPLICATIONS INFORMATION Introduction The MC78FC00 micropower voltage regulators are specifically designed with internal current limiting and low quiescent current making them ideal for battery powered applications. An input bypass capacitor is recommended if the regulator is located an appreciable distance ( 4 inches) from the input voltage source. These regulators require 0.1 F capacitance between the output terminal and ground for stability. Most types of aluminum, tantalum or multilayer ceramic will perform adequately. Solid tantalums or other appropriate capacitors are recommended for operation below 25C. The bypass capacitors should be mounted with the shortest possible leads or track lengths directly across the regulator input and output terminals. With economical electrolytic capacitors, cold temperature operation can pose a serious stability problem. As the electrolyte freezes, around -30C, the capacitance will decrease and the equivalent series resistance (ESR) will increase drastically, causing the circuit to oscillate. Quality electrolytic capacitors with extended temperature ranges of -40 to +85C are readily available. Solid tantalum capacitors may be the better choice if small size is a requirement. However, a maximum ESR limit of 3.0 must be observed over temperature to maintain stability. Figure 6 is a typical circuit application. Figure 7 is a current boost circuit which can deliver more than 600 mA. The circuit has no current limiting and the external transistor must be rated for the expected power dissipation. Vin 0.1 F 2 MC78FC00 3 0.1 F 1 VO Gnd Gnd Figure 6. Typical Application MJD32C .033 F Vin 2 100 10 F Gnd 0.1 F 1 0.1 F Gnd 3 VO MC78FC00 Figure 7. Current Boost Circuit http://onsemi.com 4 MC78FC00 Series PACKAGE DIMENSIONS H SUFFIX PLASTIC PACKAGE CASE 1213-01 (SOT-89) ISSUE O A D D1 B A2 C NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCING PER ASME Y14.5M, 1994. 3. DATUM C IS A SEATING PLANE. DIM A2 B B1 C D D1 E E1 e e1 L1 MILLIMETERS MIN MAX 1.40 1.60 0.37 0.57 0.32 0.52 0.30 0.50 4.40 4.60 1.50 1.70 --4.25 2.40 2.60 1.50 BSC 3.00 BSC 0.80 --- E L1 B E1 0.10 B1 e e1 2X M CB CB S A A S C 0.10 M S S http://onsemi.com 5 MC78FC00 Series Notes http://onsemi.com 6 MC78FC00 Series Notes http://onsemi.com 7 MC78FC00 Series ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. PUBLICATION ORDERING INFORMATION NORTH AMERICA Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: ONlit@hibbertco.com Fax Response Line: 303-675-2167 or 800-344-3810 Toll Free USA/Canada N. American Technical Support: 800-282-9855 Toll Free USA/Canada EUROPE: LDC for ON Semiconductor - European Support German Phone: (+1) 303-308-7140 (Mon-Fri 2:30pm to 7:00pm CET) Email: ONlit-german@hibbertco.com French Phone: (+1) 303-308-7141 (Mon-Fri 2:00pm to 7:00pm CET) Email: ONlit-french@hibbertco.com English Phone: (+1) 303-308-7142 (Mon-Fri 12:00pm to 5:00pm GMT) Email: ONlit@hibbertco.com EUROPEAN TOLL-FREE ACCESS*: 00-800-4422-3781 *Available from Germany, France, Italy, UK, Ireland CENTRAL/SOUTH AMERICA: Spanish Phone: 303-308-7143 (Mon-Fri 8:00am to 5:00pm MST) Email: ONlit-spanish@hibbertco.com Toll-Free from Mexico: Dial 01-800-288-2872 for Access - then Dial 866-297-9322 ASIA/PACIFIC: LDC for ON Semiconductor - Asia Support Phone: 1-303-675-2121 (Tue-Fri 9:00am to 1:00pm, Hong Kong Time) Toll Free from Hong Kong & Singapore: 001-800-4422-3781 Email: ONlit-asia@hibbertco.com JAPAN: ON Semiconductor, Japan Customer Focus Center 4-32-1 Nishi-Gotanda, Shinagawa-ku, Tokyo, Japan 141-0031 Phone: 81-3-5740-2700 Email: r14525@onsemi.com ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative. http://onsemi.com 8 MC78FC00/D |
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