MMBF4393LT1G中文资料
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MMBF4391LT1,MMBF4392LT1,MMBF4393LT1JFET Switching Transistors N−ChannelFeatures•Pb−Free Packages are AvailableMAXIMUM RATINGSTHERMAL CHARACTERISTICSMaximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected.1.FR−5 = 1.0 0.75 0.062 in.SOT−23CASE 318STYLE 10MARKINGDIAGRAMxx M1232 SOURCE3GATE1 DRAINxx= Specific Device CodeM= Date CodeSee detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet.ORDERING INFORMATIONSee specific marking information in the device marking section on page 2 of this data sheet.DEVICE MARKING INFORMATIONELECTRICAL CHARACTERISTICS (T= 25°C unless otherwise noted)OFF CHARACTERISTICSON CHARACTERISTICSSMALL−SIGNAL CHARACTERISTICS ORDERING INFORMATIONSpecifications Brochure, BRD8011/D.TYPICAL CHARACTERISTICS, T U R N −O N D E L A Y T I M E (n s )d (o n )t I D , DRAIN CURRENT (mA), T U R N −O F F D E L A Y T I M E (n s )d (o f f )t Figure 3. Turn−Off Delay TimeI D , DRAIN CURRENT (mA)Figure 4. Fall Time5.02.020101.0501002005001000Figure 5. Switching Time Test CircuitFigure 6. Typical Forward Transfer AdmittanceFigure 7. Typical CapacitanceI D , DRAIN CURRENT (mA)2.05.03.07.01020, F O R W A R D T R A N S F E R A D M I T T A N C E (m m h o s )f s V 102.0153.05.07.0V R , REVERSE VOLTAGE (VOLTS)C , C A P A C I T A N C E (p F )OUTPUTr t f ≤ 0.5 nsPULSE WIDTH = 2.0 m s DUTY CYCLE ≤ 2.0%R D’ = R D (R T + 50)R D + R T + 50Figure 8. Effect of Gate−Source Voltageon Drain−Source Resistance V GS , GATE−SOURCE VOLTAGE (VOLTS)r Figure 9. Effect of Temperature on Drain−SourceOn−State Resistance, D R A I N −S O U R C E O N −S T A T E D S (o n )R E S I S T A N C E (N O R M A L I Z E D )T channel , CHANNEL TEMPERATURE (°C)1.51.0r , D R A I N −S O U R C E O N −S T A T E D S (o n )R E S I S T A N C E (O H M S )NOTE 1The switching characteristics shown above were measured using a test circuit similar to Figure 5. At the beginning of the switching interval, the gate voltage is at Gate Supply V oltage (−V GG ). The Drain−Source V oltage (V DS ) is slightly lower than Drain Supply V oltage (V DD ) due to the voltage divider. Thus Reverse Transfer Capacitance (C rss ) of Gate−Drain Capacitance (C gd ) is charged to V GG + V DS .During the turn−on interval, Gate−Source Capacitance (C gs )discharges through the series combination of R Gen and R K . C gd must discharge to V DS(on) through R G and R K in series with the parallel combination of effective load impedance (R’D ) and Drain−Source Resistance (r DS ). During the turn−off, this charge flow is reversed.Predicting turn−on time is somewhat difficult as the channel resistance r DS is a function of the gate−source voltage. While C gs discharges, V GS approaches zero and r DS decreases. Since C gd discharges through r DS , turn−on time is non−linear. During turn−off, the situation is reversed with r DS increasing as C gd charges. The above switching curves show two impedance conditions;1) R K is equal to R D’ which simulates the switching behavior of cascaded stages where the driving source impedance is normally the load impedance of the previous stage, and 2) R K = 0 (low impedance) the driving source impedance is that of the generator.Figure 10. Effect of I DSS on Drain−Source Resistance and Gate−Source VoltageI DSS , ZERO−GATE VOLTAGE DRAIN CURRENT (mA), D R A I N −S O U R C E O N −S T A T E D S (o n )r 2010304050304050607020R E S I S T A N C E (O H M S )1001.02.03.04.05.0, G A T E −S O U R C E V O L T A G E G S V (V O L T S )6.07.08.09.010706080901008090100110120130140150NOTE 2The Zero−Gate−V oltage Drain Current (I DSS ) is the principle determinant of other J−FET characteristics.Figure 10 shows the relationship of Gate−Source Off V oltage (V GS(off)) and Drain−Source On Resistance (r DS(on)) to I DSS . Most of the devices will be within ±10% of the values shown in Figure 10. This data will be useful in predicting the characteristic variations for a given part number. For example: Unknownr DS(on) and V GS range for an MMBF4392 The electrical characteristics table indicates that an MMBF4392 has an I DSS range of 25 to 75 mA. Figure 10 shows r DS(on) = 52 Ohms for I DSS = 25 mA and 30Ohms for I DSS = 75 mA. The corresponding V GS values are 2.2 V and 4.8 V .PACKAGE DIMENSIONSSOT−23 (TO−236)CASE 318−08ISSUE AJ*For additional information on our Pb−Free strategy and solderingdetails, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.SOLDERING FOOTPRINT*ǒmm inchesǓSCALE 10:1STYLE 10:PIN 1.DRAIN2.CSOURCE3.GATEON Semiconductor and are registered 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. 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