Si7864DP Vishay Siliconix N-Channel 20-V (D-S) MOSFET FEATURES D D D D PRODUCT SUMMARY VDS (V) 20 rDS(on) (W) ID (A) 0.0035 @ VGS = 4.5 V 29 0.0047 @ VGS = 2.5 V 25 TrenchFETr Power MOSFETS: 2.5-V Rated Low 3.5-mW rDS(on) PWM (Qgd and Rg) Optimized 100% Rg Tested APPLICATIONS D Low-Side MOSFET in Synchronous Buck DC/DC Converters in Servers and Routers PowerPAKr SO-8 D S 6.15 mm 5.15 mm 1 S 2 S 3 G 4 G D 8 D 7 D 6 D S 5 N-Channel MOSFET Bottom View Ordering Information: Si7864DP-T1 ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED) Parameter Symbol 10 secs Steady State Drain-Source Voltage VDS 20 Gate-Source Voltage VGS "8 Continuous Drain Current (TJ = 150_C)a TA = 25_C TA = 70_C Pulsed Drain Current (10 ms Pulse Width) IS TA = 25_C Maximum Power Dissipationa TA = 70_C Operating Junction and Storage Temperature Range PD 18 25 IDM Continuous Source Current (Diode Conduction)a V 29 ID 14 A 60 4.5 1.6 5.4 1.9 3.4 1.2 TJ, Tstg Unit W _C -55 to 150 THERMAL RESISTANCE RATINGS Parameter Symbol t v 10 sec M i Maximum JJunction-to-Ambient ti t A bi ta Maximum Junction-to-Case (Drain) Steady State Steady State RthJA RthJC Typical Maximum 18 23 50 65 1.0 1.5 Unit _C/W C/W Notes a. Surface Mounted on 1” x 1” FR4 Board. Document Number: 71793 S-31727—Rev. B, 18-Aug-03 www.vishay.com 1 Si7864DP Vishay Siliconix SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED) Parameter Symbol Test Condition Min Typ Max Unit VGS(th) VDS = VGS, ID = 250 mA 0.6 IGSS VDS = 0 V, VGS = "8 V "100 VDS = 16 V, VGS = 0 V 1 VDS = 16 V, VGS = 0 V, TJ = 55_C 5 Static Gate Threshold Voltage Gate-Body Leakage Zero Gate Voltage Drain Current IDSS On-State Drain Currenta ID(on) Drain-Source On-State Resistancea VDS w 5 V, VGS = 4.5 V rDS(on) Forward Transconductancea Diode Forward Voltagea V nA mA 30 A VGS = 4.5 V, ID = 29 A 0.0028 0.0035 VGS = 2.5 V, ID = 25 A 0.0038 0.0047 gfs VDS = 6 V, ID = 29 A 70 VSD IS = 4.5 A, VGS = 0 V 0.70 1.2 47 70 W S V Dynamicb Total Gate Charge Qg Gate-Source Charge Qgs Gate-Drain Charge Qgd Gate Resistance Rg Turn-On Delay Time nC 10 13.4 1.45 2.5 td(on) 40 60 tr 44 65 150 240 72 110 57 80 Rise Time Turn-Off Delay Time VDS = 10 V, VGS = 4.5 V, ID = 29 A 0.5 VDD = 10 V, RL = 10 W ID ^ 1 A, VGEN = 4.5 V, RG = 6 W td(off) Fall Time tf Source-Drain Reverse Recovery Time trr IF = 2.9 A, di/dt = 100 A/ms W ns ns Notes a. Pulse test; pulse width v 300 ms, duty cycle v 2%. b. Guaranteed by design, not subject to production testing. TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Output Characteristics Transfer Characteristics 60 60 VGS = 5 thru 2.5 V 2V 50 I D - Drain Current (A) I D - Drain Current (A) 50 40 30 20 10 40 30 TC = 125_C 20 25_C 10 -55_C 0 0 1 2 3 4 VDS - Drain-to-Source Voltage (V) www.vishay.com 2 5 0 0.0 0.5 1.0 1.5 2.0 2.5 VGS - Gate-to-Source Voltage (V) Document Number: 71793 S-31727—Rev. B, 18-Aug-03 Si7864DP Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) On-Resistance vs. Drain Current Capacitance 7500 0.004 VGS = 2.5 V 0.003 VGS = 4.5 V 6000 C - Capacitance (pF) r DS(on) - On-Resistance ( W ) 0.005 0.002 Ciss 4500 3000 Coss 0.001 1500 0.000 0 Crss 0 10 20 30 40 50 60 0 4 ID - Drain Current (A) Gate Charge 16 20 On-Resistance vs. Junction Temperature 1.6 VDS = 10 V ID = 29 A 4 r DS(on) - On-Resistance ( W) (Normalized) V GS - Gate-to-Source Voltage (V) 12 VDS - Drain-to-Source Voltage (V) 5 3 2 1 0 0 12 24 36 48 VGS = 4.5 V ID = 29 A 1.4 1.2 1.0 0.8 0.6 -50 60 -25 Qg - Total Gate Charge (nC) Source-Drain Diode Forward Voltage 25 50 75 100 125 150 On-Resistance vs. Gate-to-Source Voltage 0.010 r DS(on) - On-Resistance ( W ) TJ = 150_C 10 TJ = 25_C 0.008 0.006 ID = 29 A 0.004 0.002 0.000 1 0.00 0 TJ - Junction Temperature (_C) 60 I S - Source Current (A) 8 0.2 0.4 0.6 0.8 VSD - Source-to-Drain Voltage (V) Document Number: 71793 S-31727—Rev. B, 18-Aug-03 1.0 1.2 0 1 2 3 4 5 6 7 8 VGS - Gate-to-Source Voltage (V) www.vishay.com 3 Si7864DP Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Threshold Voltage Single Pulse Power 0.4 200 0.2 -0.0 Power (W) V GS(th) Variance (V) 160 ID = 250 mA -0.2 -0.4 120 80 -0.6 40 -0.8 -1.0 -50 -25 0 25 50 75 100 125 150 0 0.001 0.01 TJ - Temperature (_C) 0.1 1 10 Time (sec) Normalized Thermal Transient Impedance, Junction-to-Ambient 2 Normalized Effective Transient Thermal Impedance 1 Duty Cycle = 0.5 0.2 Notes: 0.1 PDM 0.1 0.05 t1 t2 1. Duty Cycle, D = 0.02 t1 t2 2. Per Unit Base = RthJA = 50_C/W 3. TJM - TA = PDMZthJA(t) 4. Surface Mounted Single Pulse 0.01 10 - 4 10 - 3 10 - 2 10 - 1 1 Square Wave Pulse Duration (sec) 10 100 600 Normalized Thermal Transient Impedance, Junction-to-Case 2 Normalized Effective Transient Thermal Impedance 1 Duty Cycle = 0.5 0.2 0.1 0.1 Single Pulse 0.05 0.02 0.01 10 - 4 www.vishay.com 4 10 - 3 10 - 2 10 - 1 Square Wave Pulse Duration (sec) 1 10 Document Number: 71793 S-31727—Rev. B, 18-Aug-03 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. 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 herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1