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| E L E C T R O N I C MT1118 1A LDO LINEAR VOLTAGE / REGULATORS DESCRIPTION The MT1118 series is a low-drop-out ( LDO ) linear regulator. The devices have been optimized for applications where fast transient response and minimum input voltages are critical. At light loads the typical dropout voltage is 10mV, and at full load the maximum dropout voltage is less than 500mV. The internal over-current protection and thermal protection ,makes the device extremely easy to use in a wide range of applications. FEATURES * Low dropout performance * Output current of 500mA/300mA typical * Thermal shutdown protection * Fixed 1.5V/ 1.8V/ 2.5V/ 2.8V/ 3.0V/ 3.3V output voltages available * SOT-89 packages available , SOT-23 and SOT-23-5 APPLICATIONS * Active SCSI terminators * Battery charges * High efficiency linear regulators * Wireless communication systems * Digital camera PIN CONFIGURATIONS SOT-89 (Top View) SOT-23 (Top View) 2 3 VREF 1 123 *MT11182-X.XJ 1: GND, 2: IN, 3: OUT *MT11181-X.XJ 1: OUT, 2: GND, 3: IN *2Y 1: GND, 2: OUT, 3: IN *1Y 1: OUT, 2: IN, 3: GND Note: Y (Output Voltage) A: VOUT=1.5V, D: VOUT=2.8V, B: VOUT=1.8V, C: VOUT=2.5V E: VOUT=3.0V, F: VOUT=3.3V http:// www.sirectsemi.com -1- MT1118 ABSOLUTE MAXTMUM RETINGS SYMBOL PARAMETER Input supply voltage Thermal resistance junction to ambient SOT-89 SOT-23 & SOT-23-5 MAXIMUM 6 71 230 UNITS VIN JA V O C/W O TJ Operating junction temperature range 150 C O TSTG Storage temperature range - 65 to 150 C O TLEAD Lead temperature (soldering) 10sec 260 C Note 1: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of the specified terminal. ORDERING INFORMATION DEVICE MT1118X-X.XJ MT1118X-XXY PACKAGE VOUT VOLTS X.X_ 1.5/ 1.8/ 2.5/ 2.8/ 3.0/ 3.3 X_1/ 2, Y_A/ B/ C/ D/ E/ F (max)A 500mA 300mA TA (OC) -40 ~ 85 -40 ~ 85 J S SOT-89 SOT-23 POWER DISSIPATION TABLE: Package J S N JA ( C /W ) O O Df( mW/ C) O TA 25 C O TA 25 C Power rating(mW) TA=70 OC Power rating(mW) 1128 239 239 TA= 85 OC Power rating (mW) 916 187 187 71 230 230 14.1 3.5 3.5 1763 397 397 Note : 1. Exceeding the maximum allowable power disspation will result in excessive die temperature, and the regulator will go into thermal shutdown. 2.TJ: Junction Temperature Calculation: TJ = TA + (PD x JA) The JA numbers are guidelines for the thermal performance of the device/PC-board system. All of the above assume no ambient airflow. 3.JA: Thermal Resistance-Junction to Ambient, DF : Derating factor, Po: Power consumption. 4.JT: Thermal Resistance-Junction to Ambient, TC: case(Tab) temperature, TJ = TC + (PD x JT) for S package. RECOMMENDED OPERATING CONDITIONS: Symbol VIN IO TJ Input Voltage Load Current (with adequate heatsinking) Junction temperature Parameter Recommended Operating Min. Typ. Max. 2.8 5.5 5 125 Units V mA O C http:// www.sirectsemi.com -2- MT1118 TYPICAL APPLICATIONS: Fixed Voltage Regulator: VIN MT1118X-X.X VOUT CIN 1F IQ COUT 1F ELECTRICAL CHARACTERISTICS: O Operating Conditions: VIN = 5V, IOUT(MIN) =10mA; TJ = 25 C unless otherwise specified.(COUT=1uF, CIN=1uF) SYMBOL PARAMETER TEST CONDITION VIN=5V, 10mA IOUT 500mA TA=25 OC, MT1118-1.5 MT1118-1.8 MT1118-2.5 MT1118-2.8 MT1118-3.0 MT1118-3.3 4.5V VIN 5.5V IOUT=10mA VIN =5V 10mA IOUT 500mA IOUT=500mA IOUT=300mA IOUT=100mA IOUT=10mA (VIN-VOUT)=2V VOUT/ T IOUT=500mA Thermal protection temperature TA=25, 10Hz f 10kHz, f = 120Hz, MIN TYP MAX UNITS VO Output Voltage (1) 1.455 1.746 2.425 2.716 2.910 3.201 1.5 1.8 2.5 2.8 3.0 3.3 1 1 800m 380m 175m 15m 1.545 1.854 2.575 2.884 3.090 3.399 V VSR VLR Line Regulation (1) Load Regulation (1) % % VD Dropout Voltage (2) V ICL TC IQ TPRO VN RA Current Limit Vo Temperature Coefficient (3) Quiescent Current Thermal Protection RMS Output Noise Ripple Rejection Ratio 0.6 50 0.17 150 0.003 35 A ppm/ OC mA O C %/Vo dB http:// www.sirectsemi.com -3- MT1118 NOTES: (1) Low duty cycle pulse testing with which TJ remain unchanged. (2) Dropout voltage is defined as the to output differential at which the output voltage drops 2% below its normal value measured at 1V differential. (3) Output voltage temperature coefficient is the worst case voltage change divided by the total temperature range. (4) The VD is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V differential. TYPICAL PERFORMANCE CHARACTERISTICS: VIN= 5VCIN=1FCOUT= 1FTA=25 C unless otherwise specified. O LOAD REGULATION 3.4 LOAD TRANSIENT RESPONSE Io=10mA ~ 100mA 3.3 Output Voltage (V) 3.2 Io(100mA/Div) 3.1 3 Vo(50mV/Div) 2.9 MT11182-3.3 2.8 10 100 200 300 400 500 MT11182-3.3 Time(250us/Div) Output Current (mA) Quiescent Current vs Output Current 160 Quiescent Current (uA) 140 120 100 80 60 40 20 0 10 100 200 300 400 500 Output Current (mA) http:// www.sirectsemi.com -4- MT1118 APPLICATION NOTE: 1. Maximum Power Dissipation Calculation: PD(max) = [(VIN(max) - VO(nom))] x IO(nom) + VIN(max) x IQ Where: VO(nom) : The nominal output voltage IO(nom) : The nominal output current, and IQ : The quiescent current the regulator consumes at IO(MAX) VIN(max) : The maximum input voltage PHYSICAL DIMENSIONS: 3-Pin Surface Mount SOT-89(J) INCHES MILLIMETERS MAX 0.181 0.102 0.063 0.017 0.090 0.019 MIN 4.39 2.28 1.39 0.38 2.13 0.33 TYP MAX 4.59 2.59 1.60 0.43 2.28 0.48 A L C D A B C MIN 0.173 0.090 0.055 0.015 0.084 0.016 TYP - K N F J G H B E D E F M G H J K L M N 0.059 BSC 0.118 BSC 0.018 0.155 0.067 0 0.035 0.022 0.167 0.072 8 0.047 1.49 BSC 2.99 BSC 0.45 3.94 1.70 0 0.89 0.55 4.24 1.82 8 1.19 Surface Mount SOT-23 Sirectifier Global Corp., Delaware, U.S.A. U.S.A.: sgc@sirectsemi.com France: ss@sirectsemi.com Taiwan: se@sirectsemi.com Hong Kong: hk@sirectsemi.com China: st@sirectsemi.com ...Thailand: th@sirectsemi.com Philippines: aiac@sirectsemi.com Belize: belize@sirectsemi.com http:// www.sirectsemi.com -5- |
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