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SI4778DY Datasheet(PDF) 1 Page - Vishay Telefunken |
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SI4778DY Datasheet(HTML) 1 Page - Vishay Telefunken |
1 / 10 page Vishay Siliconix Si4778DY Document Number: 69817 S09-0394-Rev. B, 09-Mar-09 www.vishay.com 1 N-Channel 25-V (D-S) MOSFET FEATURES • Halogen-free According to IEC 61249-2-21 Available • TrenchFET® Power MOSFET • 100 % Rg and UIS Tested APPLICATIONS • DC/DC Converter •Gaming • Notebook System Power PRODUCT SUMMARY VDS (V) RDS(on) (Ω) ID (A) Qg (Typ.) 25 0.023 at VGS = 10 V 8a 5.5 nC 0.028 at VGS = 4.5 V 8a N-Channel MOSFET G D S D S D D G D SO-8 5 6 7 8 Top View 2 3 4 1 Ordering Information: Si4778DY-T1-E3 (Lead (Pb)-free) Si4778DY-T1-GE3 (Lead (Pb)-free and Halogen-free) S S 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. ABSOLUTE MAXIMUM RATINGS TA = 25 °C, unless otherwise noted Parameter Symbol Limit Unit Drain-Source Voltage VDS 25 V Gate-Source Voltage VGS ± 16 Continuous Drain Current (TJ = 150 °C) TC = 25 °C ID 8a A TC = 70 °C 8a TA = 25 °C 8a, b, c TA = 70 °C 6.4b, c Pulsed Drain Current IDM 30 Continuous Source-Drain Diode Current TC = 25 °C IS 4.2 TA = 25 °C 2b, c Single Pulse Avalanche Current L = 0.1 mH IAS 5 Single Pulse Avalanche Energy EAS 1.25 mJ Maximum Power Dissipation TC = 25 °C PD 5 W TC = 70 °C 3.2 TA = 25 °C 2.4b, c TA = 70 °C 1.5b, c Operating Junction and Storage Temperature Range TJ, Tstg - 55 to 150 °C THERMAL RESISTANCE RATINGS Parameter Symbol Typical Maximum Unit Maximum Junction-to-Ambientb, d t ≤ 10 s RthJA 42 53 °C/W Maximum Junction-to-Foot (Drain) Steady State RthJF 19 25 |
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