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| FDC6331L August 2001 FDC6331L Integrated Load Switch General Description This device is particularly suited for compact power management in portable electronic equipment where 2.5V to 8V input and 2.8A output current capability are needed. This load switch integrates a small N-Channel power MOSFET (Q1) that drives a large P -Channel power MOSFET (Q2) in one tiny SuperSOTT M-6 package. Applications * Load switch * Power management Features * -2.8 A, -8 V. RDS(ON) = 55 m @ V GS = -4.5 V RDS(ON) = 70 m @ V GS = -2.5 V RDS(ON) = 100 m @ V GS = -1.8 V * Control MOSFET (Q1) includes Zener protection for ESD ruggedness (>6KV Human body model) * High performance trench technology for extremely low RDS(ON) D2 S1 D1 Vin,R1 ON/OFF Q2 Equivalent Circuit 3 2 Q1 4 5 6 Vout,C1 IN Vout,C1 R2 +V - DROP OUT G2 SuperSOT Pin 1 TM -6 S2 G1 R1,C1 1 See Application Circuit ON/OFF SuperSOTTM-6 Absolute Maximum Ratings Symbol V IN V ON/OFF ILoad PD TJ , TSTG TA=25oC unless otherwise noted Parameter Maximum Input Voltage High level ON/OFF voltage range Load Current - Continuous - Pulsed Maximum Power Dissipation (Note 1) (Note 1) Ratings 8 -0.5 to 8 -2.8 -9 0.7 -55 to +150 Units V V A W C Operating and Storage Junction Temperature Range Thermal Characteristics RJA RJ C Thermal Resistance, Junction-to-Ambient Thermal Resistance, Junction-to-Case (Note 1) (Note 1) 180 60 C/W C/W Package Marking and Ordering Information Device Marking .331 Device FDC6331L Reel Size 7'' Tape width 8mm Quantity 3000 units (c)2001 Fairchild Semiconductor Corporation FDC6331L Rev C(W) FDC6331L Electrical Characteristics Symbol Parameter TA = 25C unless otherwise noted Test Conditions Min Typ Max Units Off Characteristics BV IN ILoad IFL IRL Vin Breakdown Voltage Zero Gate Voltage Drain Current Leakage Current, Forward Leakage Current, Reverse (Note 2) V ON/OFF = 0 V, ID = -250 A V IN = 6.4 V, V ON/OFF = 0 V V ON/OFF = 0 V, V IN = 8 V V ON/OFF = 0 V, V IN = -8 V V IN = V ON/OFF, ID = -250 A V IN = 4.5 V, ID = -2.8A V IN = 2.5 V, ID = -2.5 A V IN = 1.8 V, ID = -2.0 A V IN = 4.5 V, ID = 0.4A V IN = 2.7 V, ID = 0.2 A 8 -1 -100 100 V A nA nA On Characteristics V ON/OFF (th) RDS(on) Gate Threshold Voltage Static Drain-Source On-Resistance (Q2) Static Drain-Source On-Resistance (Q1) 0.4 RDS(on) 0.9 34 45 64 3.1 3.8 1.5 55 70 100 4 5 V m Drain-Source Diode Characteristics and Maximum Ratings IS V SD Maximum Continuous Drain-Source Diode Forward Current Drain-Source Diode Forward Voltage V ON/OFF = 0 V, IS = -0.6 A (Note 2) -0.6 -1.2 A V Notes: 1. R J A 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. R JC is guar anteed by design while R J A is determined by the user's board design. 2. Pulse Test: Pulse Width < 300s, Duty Cycle < 2.0%. FDC6331L Load Switch Application Circuit IN R1 Q2 C1 OUT Q1 LOAD ON/OFF R2 External Component Recommendation: For additional in-rush current control, R2 and C1 can be added. For more information, see application note AN1030. FDC6331L Rev C(W) FDC6331L 0.4 0.35 0.3 -V DROP, (V) 0.25 0.2 0.15 0.1 0.05 0 0 1 2 3 -I L, (A) 4 5 6 TJ = 25 OC V IN = -1.8V V ON/OFF = -1.5V -8V PW = 300us, D < 2% 0.4 0.35 T J = 125OC -V DROP, (V) 0.3 0.25 0.2 0.15 0.1 0.05 0 0 1 2 3 -I L, (A) 4 5 6 T J = 25OC TJ = 125 OC V IN = -2.5V V ON/OFF = -1.5V -8V PW = 300us, D < 2% Figure 1. Conduction Voltage Drop Variation with Load Current. 0.4 0.35 0.3 -V DROP, (V) 0.25 0.2 0.15 0.1 0.05 0 0 1 2 3 -I L, (A) 4 5 6 0 1 TJ = 125 OC V IN = -4.5V V ON/OFF = -1.5V -8V PW = 300us, D < 2% RDS(ON) , ON-RESISTANCE ( ) 0.15 Figure 2. Conduction Voltage Drop Variation with Load Current. IL = -1A V O N / O F F = -1.5V -8V PW = 300us, D < 2% 0.125 0.1 0.075 T J = 125OC 0.05 TJ = 25OC 0.025 TJ = 25OC 2 3 4 -VIN , INPUT VOLTAGE (V) 5 Figure 3. Conduction Voltage Drop Variation with Load Current. 1 r(t), NORMALIZED EFFECTIVE TRANSIENT THERMAL RESISTANCE D = 0.5 Figure 4. On-Resistance Variation With Input Voltage R JA(t) = r(t) + RJA R JA = 156 C/W P(pk) 0.2 0.1 0.1 t1 0.05 0.02 0.01 SINGLE PULSE t2 T J - TA = P * R (t) JA Duty Cycle, D = t1 / t2 0.01 0.0001 0.001 0.01 0.1 1 10 100 1000 FDC6331L 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 BottomlessTM CoolFETTM CROSSVOLTTM DenseTrenchTM DOMETM EcoSPARKTM E2CMOSTM EnSignaTM FACTTM FACT Quiet SeriesTM DISCLAIMER FAST (R) FASTrTM FRFETTM GlobalOptoisolatorTM GTOTM HiSeCTM ISOPLANARTM LittleFETTM MicroFETTM MicroPakTM MICROWIRETM OPTOLOGICTM OPTOPLANARTM PACMANTM POPTM Power247TM PowerTrench (R) QFETTM QSTM QT OptoelectronicsTM Quiet SeriesTM SILENT SWITCHER (R) SMART STARTTM STAR*POWERTM StealthTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogicTM TruTranslationTM UHCTM UltraFET (R) VCXTM STAR*POWER is used under license 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: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant into support device or system whose failure to perform can the body, or (b) support or sustain life, or (c) whose be reasonably expected to cause the failure of the life failure to perform when properly used in accordance support device or system, or to affect its safety or 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. H4 |
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