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| BSS138 October 2005 BSS138 N-Channel Logic Level Enhancement Mode Field Effect Transistor General Description These N-Channel enhancement mode field effect transistors are produced using Fairchild's proprietary, high cell density, DMOS technology. These products have been designed to minimize on-state resistance while provide rugged, reliable, and fast switching performance.These products are particularly suited for low voltage, low current applications such as small servo motor control, power MOSFET gate drivers, and other switching applications. Features * 0.22 A, 50 V. RDS(ON) = 3.5 @ VGS = 10 V RDS(ON) = 6.0 @ VGS = 4.5 V * High density cell design for extremely low RDS(ON) * Rugged and Reliable * Compact industry standard SOT-23 surface mount package D D S G S SOT-23 G TA=25oC unless otherwise noted Absolute Maximum Ratings Symbol VDSS VGSS ID PD TJ, TSTG TL Drain-Source Voltage Gate-Source Voltage Drain Current - Continuous - Pulsed Maximum Power Dissipation Derate Above 25C Parameter Ratings 50 20 (Note 1) Units V V A W mW/C C C 0.22 0.88 0.36 2.8 -55 to +150 300 (Note 1) Operating and Storage Junction Temperature Range Maximum Lead Temperature for Soldering Purposes, 1/16" from Case for 10 Seconds Thermal Characteristics RJA Thermal Resistance, Junction-to-Ambient (Note 1) 350 C/W Package Marking and Ordering Information Device Marking SS Device BSS138 Reel Size 7'' Tape width 8mm Quantity 3000 units 2005 Fairchild Semiconductor Corporation BSS138 Rev C(W) BSS138 Electrical Characteristics Symbol BVDSS BVDSS TJ IDSS TA = 25C unless otherwise noted Parameter Drain-Source Breakdown Voltage Breakdown Voltage Temperature Coefficient Zero Gate Voltage Drain Current Test Conditions ID = 250 A VGS = 0 V, ID = 250 A,Referenced to 25C VDS = 50 V, VDS = 30 V, VGS = 0 V VGS = 0 V VDS = 0 V Min Typ Max 50 72 0.5 5 100 100 Units V mV/C A A nA nA Off Characteristics VDS = 50 V, VGS = 0 V TJ = 125C IGSS Gate-Body Leakage. (Note 2) VGS = 20 V, On Characteristics VGS(th) VGS(th) TJ RDS(on) Gate Threshold Voltage Gate Threshold Voltage Temperature Coefficient Static Drain-Source On-Resistance On-State Drain Current Forward Transconductance VDS = VGS, ID = 1 mA 0.8 ID = 1 mA,Referenced to 25C ID = 0.22 A VGS = 10 V, ID = 0.22 A VGS = 4.5 V, VGS = 10 V, ID = 0.22 A, TJ = 125C VGS = 10 V, VDS = 5 V VDS = 10V, ID = 0.22 A 1.3 -2 0.7 1.0 1.1 1.5 V mV/C 3.5 6.0 5.8 ID(on) gFS 0.2 0.12 0.5 A S Dynamic Characteristics Ciss Coss Crss RG Input Capacitance Output Capacitance Reverse Transfer Capacitance Gate Resistance (Note 2) VDS = 25 V, f = 1.0 MHz V GS = 0 V, 27 13 6 9 pF pF pF VGS = 15 mV, f = 1.0 MHz Switching Characteristics td(on) tr td(off) tf Qg Qgs Qgd Turn-On Delay Time Turn-On Rise Time Turn-Off Delay Time Turn-Off Fall Time Total Gate Charge Gate-Source Charge Gate-Drain Charge VDD = 30 V, VGS = 10 V, ID = 0.29 A, RGEN = 6 2.5 9 20 7 5 18 36 14 2.4 ns ns ns ns nC nC nC VDS = 25 V, VGS = 10 V ID = 0.22 A, 1.7 0.1 0.4 Drain-Source Diode Characteristics and Maximum Ratings IS VSD Maximum Continuous Drain-Source Diode Forward Current Drain-Source Diode Forward Voltage VGS = 0 V, IS = 0.44 A(Note 2) 0.8 0.22 1.4 A V Notes: 1. RJA is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting surface of the drain pins. RJC is guaranteed by design while RCA is determined by the user's board design. a) 350C/W when mounted on a minimum pad.. Scale 1 : 1 on letter size paper 2. Pulse Test: Pulse Width 300 s, Duty Cycle 2.0% BSS138 Rev C(W) BSS138 Typical Characteristics 1 VGS = 10V 0.8 ID, DRAIN CURRENT (A) 6.0V 3.4 4.5V RDS(ON), NORMALIZED DRAIN-SOURCE ON-RESISTANCE 3.5V 3.0V 3 VGS = 2.5V 2.6 2.2 0.6 3.0V 1.8 1.4 1 0.6 2.5V 0.4 3.5V 4.0V 4.5V 6.0V 10V 0.2 2.0V 0 0 0.5 1 1.5 2 2.5 3 VDS, DRAIN TO SOURCE VOLTAGE (V) 0 0.2 0.4 0.6 0.8 1 ID, DRAIN CURRENT (A) Figure 1. On-Region Characteristics. Figure 2. On-Resistance Variation with Drain Current and Gate Voltage. 4.1 RDS(ON), ON-RESISTANCE (OHM) 2 RDS(ON), NORMALIZED DRAIN-SOURCE ON-RESISTANCE 1.8 1.6 1.4 1.2 1 0.8 0.6 -50 -25 0 25 50 75 100 o ID = 220mA VGS = 10V ID = 110mA 3.5 2.9 TA = 125oC 2.3 1.7 TA = 25oC 1.1 0.5 125 150 0 2 4 6 8 10 TJ, JUNCTION TEMPERATURE ( C) VGS, GATE TO SOURCE VOLTAGE (V) Figure 3. On-Resistance Variation with Temperature. 0.6 0.5 ID, DRAIN CURRENT (A) 0.4 0.3 0.2 0.1 0 0.5 1 1.5 2 2.5 3 3.5 VGS, GATE TO SOURCE VOLTAGE (V) TA = -55 C o Figure 4. On-Resistance Variation with Gate-to-Source Voltage. 1 VGS = 0V 25 C 125oC o IS, REVERSE DRAIN CURRENT (A) VDS = 10V 0.1 TA = 125oC 25oC 0.01 -55oC 0.001 0.0001 0 0.2 0.4 0.6 0.8 1 1.2 VSD, BODY DIODE FORWARD VOLTAGE (V) Figure 5. Transfer Characteristics. Figure 6. Body Diode Forward Voltage Variation with Source Current and Temperature. BSS138 Rev C(W) BSS138 Typical Characteristics 10 VGS, GATE-SOURCE VOLTAGE (V) ID = 220mA 8 CAPACITANCE (pF) 100 VDS = 8V 30V 25V 80 f = 1 MHz VGS = 0 V 6 60 CISS 40 4 COSS 20 2 CRSS 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 Qg, GATE CHARGE (nC) 0 0 10 20 30 40 50 VDS, DRAIN TO SOURCE VOLTAGE (V) Figure 7. Gate Charge Characteristics. 10 Figure 8. Capacitance Characteristics. 5 P(pk), PEAK TRANSIENT POWER (W) SINGLE PULSE RJA = 350C/W TA = 25C ID, DRAIN CURRENT (A) 1 100s RDS(ON) LIMIT 1ms 10ms 100ms 1s DC 4 3 0.1 2 0.01 VGS = 10V SINGLE PULSE RJA = 350oC/W TA = 25oC 1 0.001 0.1 1 10 100 VDS, DRAIN-SOURCE VOLTAGE (V) 0 0.001 0.01 0.1 1 t1, TIME (sec) 10 100 1000 Figure 9. Maximum Safe Operating Area. Figure 10. Single Pulse Maximum Power Dissipation. r(t), NORMALIZED EFFECTIVE TRANSIENT THERMAL RESISTANCE 1 D = 0.5 0.2 RJA(t) = r(t) * RJA RJA = 350 C/W P(pk) t1 t2 TJ - TA = P * RJA(t) Duty Cycle, D = t1 / t2 o 0.1 0.1 0.05 0.02 0.01 0.01 SINGLE PULSE 0.001 0.0001 0.001 0.01 0.1 t1, TIME (sec) 1 10 100 1000 Figure 11. Transient Thermal Response Curve. Thermal characterization performed using the conditions described in Note 1a. Transient thermal response will change depending on the circuit board design. BSS138 Rev C(W) TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACExTM FAST(R) ActiveArrayTM FASTrTM BottomlessTM FPSTM Build it NowTM FRFETTM CoolFETTM GlobalOptoisolatorTM CROSSVOLTTM GTOTM DOMETM HiSeCTM EcoSPARKTM I2CTM E2CMOSTM i-LoTM EnSignaTM ImpliedDisconnectTM FACTTM IntelliMAXTM FACT Quiet SeriesTM Across the board. Around the world.TM The Power Franchise(R) Programmable Active DroopTM DISCLAIMER ISOPLANARTM LittleFETTM MICROCOUPLERTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM OCXTM OCXProTM OPTOLOGIC(R) OPTOPLANARTM PACMANTM POPTM Power247TM PowerEdgeTM PowerSaverTM PowerTrench(R) QFET(R) QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM RapidConnectTM SerDesTM ScalarPumpTM SILENT SWITCHER(R) SMART STARTTM SPMTM StealthTM SuperFETTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogic(R) TINYOPTOTM TruTranslationTM UHCTM UltraFET(R) UniFETTM VCXTM WireTM FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Preliminary First Production No Identification Needed Full Production Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I17 |
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