Si4778DY Vishay Siliconix N-Channel 25-V (D-S) MOSFET FEATURES PRODUCT SUMMARY VDS (V) 25 RDS(on) (Ω) ID (A) 0.023 at VGS = 10 V 8a 0.028 at VGS = 4.5 V 8a • Halogen-free According to IEC 61249-2-21 Available • TrenchFET® Power MOSFET • 100 % Rg and UIS Tested Qg (Typ.) 5.5 nC APPLICATIONS • DC/DC Converter • Gaming • Notebook System Power SO-8 S 1 8 D S 2 7 D S 3 6 D G 4 5 D D G Top View S Ordering Information: Si4778DY-T1-E3 (Lead (Pb)-free) Si4778DY-T1-GE3 (Lead (Pb)-free and Halogen-free) N-Channel MOSFET ABSOLUTE MAXIMUM RATINGS TA = 25 °C, unless otherwise noted Parameter Drain-Source Voltage Gate-Source Voltage Continuous Drain Current (TJ = 150 °C) Symbol VDS VGS TC = 25 °C TC = 70 °C TA = 25 °C TA = 70 °C Single Pulse Avalanche Current Single Pulse Avalanche Energy ID TC = 25 °C TA = 25 °C IS L = 0.1 mH IAS EAS TC = 25 °C TC = 70 °C Maximum Power Dissipation TA = 25 °C TA = 70 °C Operating Junction and Storage Temperature Range Unit V 8a 8a IDM Pulsed Drain Current Continuous Source-Drain Diode Current Limit 25 ± 16 PD 8a, b, c 6.4b, c 30 4.2 A 2b, c 5 1.25 5 3.2 mJ W 2.4b, c 1.5b, c - 55 to 150 TJ, Tstg °C THERMAL RESISTANCE RATINGS Parameter Maximum Junction-to-Ambientb, d Maximum Junction-to-Foot (Drain) t ≤ 10 s Steady State Symbol RthJA RthJF Typical 42 Maximum 53 19 25 Unit °C/W Notes: a. Package Limited. b. Surface Mounted on 1" x 1" FR4 board. c. t = 10 s. d. Maximum under Steady State conditions is 85 °C/W. Document Number: 69817 S09-0394-Rev. B, 09-Mar-09 www.vishay.com 1 Si4778DY Vishay Siliconix SPECIFICATIONS TJ = 25 °C, unless otherwise noted Parameter Symbol Test Conditions Min. VDS VGS = 0 V, ID = 250 µA 25 Typ. Max. Unit Static Drain-Source Breakdown Voltage ΔVDS/TJ VDS Temperature Coefficient VGS(th) Temperature Coefficient ΔVGS(th)/TJ Gate-Source Threshold Voltage ID = 250 µA VGS(th) VDS = VGS , ID = 250 µA Gate-Source Leakage IGSS VDS = 0 V, VGS = ± 16 V Zero Gate Voltage Drain Current IDSS On-State Drain Currenta ID(on) Drain-Source On-State Resistancea Forward Transconductancea RDS(on) gfs V 25 mV/°C - 4.7 1.0 2.2 V ± 100 nA VDS = 25 V, VGS = 0 V 1 VDS = 25 V, VGS = 0 V, TJ = 55 °C 10 VDS ≥ 5 V, VGS = 10 V 20 µA A VGS = 10 V, ID = 7 A 0.019 0.023 VGS = 4.5 V, ID = 6.3 A 0.023 0.028 VDS = 10 V, ID = 7 A 23 Ω S b Dynamic Input Capacitance Ciss Output Capacitance Coss Reverse Transfer Capacitance Crss Total Gate Charge Qg Gate-Source Charge Qgs Gate-Drain Charge Qgd Gate Resistance Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Rg 680 VDS = 13 V, VGS = 0 V, f = 1 MHz td(off) pF 55 VDS = 13 V, VGS = 10 V, ID = 7 A VDS = 13 V, VGS = 4.5 V, ID = 7 A 12 18 5.5 8.5 2 f = 1 MHz VDD = 13 V, RL = 2.3 Ω ID ≅ 5.6 A, VGEN = 4.5 V, Rg = 1 Ω 2.5 3.8 15 25 50 75 20 30 tf 10 15 td(on) 10 15 12 20 15 25 10 15 tr td(off) nC 1.5 td(on) tr 120 VDD = 13 V, RL = 2.3 Ω ID ≅ 5.6 A, VGEN = 10 V, Rg = 1 Ω tf Ω ns Drain-Source Body Diode Characteristics Continuous Source-Drain Diode Current IS Pulse Diode Forward Current ISM Body Diode Voltage VSD Body Diode Reverse Recovery Time trr Body Diode Reverse Recovery Charge Qrr Reverse Recovery Fall Time ta Reverse Recovery Rise Time tb TC = 25 °C 2.3 30 IS = 5.6 A, VGS = 0 V IF = 5.6 A, dI/dt = 100 A/µs, TJ = 25 °C A 0.8 1.2 V 15 30 ns 8 16 nC 8.5 6.5 ns Notes: a. Pulse test; pulse width ≤ 300 µs, duty cycle ≤ 2 % b. Guaranteed by design, not subject to production testing. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. www.vishay.com 2 Document Number: 69817 S09-0394-Rev. B, 09-Mar-09 Si4778DY Vishay Siliconix TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted 30 10 VGS = 10 thru 4 V 8 I D - Drain Current (A) ID - Drain Current (A) 24 18 VGS = 3 V 12 6 TC = - 55 °C 6 4 TC = 25 °C 2 TC = 125 °C 0 0.0 0.4 0.8 1.2 1.6 0 0.0 2.0 0.5 VDS - Drain-to-Source Voltage (V) 1.0 2.0 2.5 3.0 VGS - Gate-to-Source Voltage (V) Output Characteristics Transfer Characteristics 0.035 900 750 Ciss 0.030 C - Capacitance (pF) R DS(on) - On-Resistance (Ω) 1.5 VGS = 10 V 0.025 VGS = 4.5 V 0.020 600 450 300 Coss 150 0.015 Crss 0 0 6 12 18 24 30 0 5 ID - Drain Current (A) 10 20 25 VDS - Drain-to-Source Voltage (V) Capacitance On-Resistance vs. Drain Current 10 1.6 ID = 7 A ID = 7 A 8 VDS = 13 V 6 VDS = 24 V 4 2 (Normalized) 1.4 R DS(on) - On-Resistance VGS - Gate-to-Source Voltage (V) 15 VGS = 10 V, 4.5 V 1.2 1.0 0.8 0 0 3 6 9 Qg - Total Gate Charge (nC) Gate Charge Document Number: 69817 S09-0394-Rev. B, 09-Mar-09 12 0.6 - 50 - 25 0 25 50 75 100 125 150 TJ - Junction Temperature (°C) On-Resistance vs. Junction Temperature www.vishay.com 3 Si4778DY Vishay Siliconix TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted 0.08 100 RDS(on) - On-Resistance (Ω) IS - Source Current (A) ID = 7 A TJ = 150 °C 10 TJ = 25 °C 0.06 0.04 TA = 125 °C 0.02 TA = 25 °C 0.00 1 0.0 0.2 0.4 0.6 0.8 1.0 0 1.2 2 VSD - Source-to-Drain Voltage (V) 4 6 8 10 VGS - Gate-to-Source Voltage (V) Source-Drain Diode Forward Voltage On-Resistance vs. Gate-to-Source Voltage 2.0 30 1.8 25 ID = 250 µA Power (W) VGS(th) (V) 20 1.6 1.4 15 10 1.2 5 1.0 - 50 - 25 0 25 50 75 100 125 0 0.001 150 0.01 TJ - Temperature (°C) 0.1 1 10 100 1000 Time (s) Single Pulse Power Threshold Voltage 100 Limited by R DS(on)* I D - Drain Current (A) 10 100 µs 1 ms 1 10 ms 100 ms 1s 10 s 0.1 DC BVDSS Limited TA = 25 °C Single Pulse 0.01 0.1 1 10 100 VDS - Drain-to-Source Voltage (V) * VGS > minimum VGS at which R DS(on) is specified Safe Operating Area, Junction-to-Ambient www.vishay.com 4 Document Number: 69817 S09-0394-Rev. B, 09-Mar-09 Si4778DY Vishay Siliconix 15 5 12 4 9 Power (W) I D - Drain Current (A) TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted Package Limited 6 3 2 1 3 0 0 0 25 50 75 100 TC - Case Temperature (°C) Current Derating* 125 150 25 50 75 100 125 150 TC - Case Temperature (°C) Power Derating * The power dissipation PD is based on TJ(max) = 150 °C, using junction-to-case thermal resistance, and is more useful in settling the upper dissipation limit for cases where additional heatsinking is used. It is used to determine the current rating, when this rating falls below the package limit. Document Number: 69817 S09-0394-Rev. B, 09-Mar-09 www.vishay.com 5 Si4778DY Vishay Siliconix TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted Normalized Effective Transient Thermal Impedance 1 Duty Cycle = 0.5 0.2 Notes: 0.1 0.1 PDM t1 0.05 t2 1. Duty Cycle, D = t1 t2 2. Per Unit Base = RthJA = 70 °C/W 0.02 3. TJM - TA = PDMZthJA(t) Single Pulse 0.01 10 -4 4. Surface Mounted 10 -3 10 -2 10 -1 1 Square Wave Pulse Duration (s) 100 10 1000 Normalized Thermal Transient Impedance, Junction-to-Ambient 1 Normalized Effective Transient Thermal Impedance Duty Cycle = 0.5 0.2 0.1 0.1 0.05 0.02 Single Pulse 0.01 10 -4 10 -3 10 -2 10 -1 Square Wave Pulse Duration (s) 1 10 Normalized Thermal Transient Impedance, Junction-to-Foot Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability data, see www.vishay.com/ppg?69817. www.vishay.com 6 Document Number: 69817 S09-0394-Rev. B, 09-Mar-09 Package Information Vishay Siliconix SOIC (NARROW): 8-LEAD JEDEC Part Number: MS-012 8 6 7 5 E 1 3 2 H 4 S h x 45 D C 0.25 mm (Gage Plane) A e B All Leads q A1 L 0.004" MILLIMETERS INCHES DIM Min Max Min Max A 1.35 1.75 0.053 0.069 A1 0.10 0.20 0.004 0.008 B 0.35 0.51 0.014 0.020 C 0.19 0.25 0.0075 0.010 D 4.80 5.00 0.189 0.196 E 3.80 4.00 0.150 e 0.101 mm 1.27 BSC 0.157 0.050 BSC H 5.80 6.20 0.228 0.244 h 0.25 0.50 0.010 0.020 L 0.50 0.93 0.020 0.037 q 0° 8° 0° 8° S 0.44 0.64 0.018 0.026 ECN: C-06527-Rev. I, 11-Sep-06 DWG: 5498 Document Number: 71192 11-Sep-06 www.vishay.com 1 Application Note 826 Vishay Siliconix RECOMMENDED MINIMUM PADS FOR SO-8 0.172 (4.369) 0.028 0.022 0.050 (0.559) (1.270) 0.152 (3.861) 0.047 (1.194) 0.246 (6.248) (0.711) Recommended Minimum Pads Dimensions in Inches/(mm) Return to Index APPLICATION NOTE Return to Index www.vishay.com 22 Document Number: 72606 Revision: 21-Jan-08 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. 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We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000