Si4850EY Vishay Siliconix N-Channel Reduced Qg, Fast Switching MOSFET FEATURES PRODUCT SUMMARY VDS (V) 60 RDS(on) (Ω) ID (A) 0.022 at VGS = 10 V 8.5 0.031 at VGS = 4.5 V 7.2 • Halogen-free According to IEC 61249-2-21 Definition • TrenchFET® Power MOSFETs • 175 °C Maximum Junction Temperature • Compliant to RoHS Directive 2002/95/EC D SO-8 S 1 8 D S 2 7 D S 3 6 D G 4 5 D G Top View S Ordering Information: Si4850EY-T1-E3 (Lead (Pb)-free) Si4850EY-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 = 175 °C)a Symbol VDS VGS TA = 25 °C TA = 70 °C 8.5 7.1 IDM IAS EAS Pulsed Drain Current Avalanche Current Single Pulse Avalanche Energy Maximum Power Dissipationa ID 10 s TA = 25 °C TA = 70 °C PD TJ, Tstg Operating Junction and Storage Temperature Range 3.3 2.3 Steady State 60 ± 20 6.0 5.0 40 15 11 1.7 1.2 - 55 to 175 Unit V A mJ W °C THERMAL RESISTANCE RATINGS Parameter Maximum Junction-to-Ambient a Maximum Junction-to-Foot (Drain) Symbol t ≤ 10 s Steady State Steady State RthJA RthJF Typical 36 75 17 Maximum 45 90 20 Unit °C/W Notes: a. Surface Mounted on 1" x 1" FR4 board. Document Number: 71146 S09-1341-Rev. F, 13-Jul-09 www.vishay.com 1 Si4850EY Vishay Siliconix SPECIFICATIONS TJ = 25 °C, unless otherwise noted Parameter Static Drain-Source Breakdown Voltage Gate Threshold Voltage Gate-Body Leakage Symbol Test Conditions Min. VDS VGS = 0 V, ID = 250 µA 60 VGS(th) VDS = VGS, ID = 250 µA 1 IGSS VDS = 0 V, VGS = ± 20 V ± 100 VDS = 60 V, VGS = 0 V 1 VDS = 60 V, VGS = 0 V, TJ = 55 °C 20 Zero Gate Voltage Drain Current IDSS On-State Drain Currenta ID(on) Drain-Source On-State Resistancea RDS(on) Forward Transconductancea Diode Forward Voltage VDS ≥ 5 V, VGS = 10 V a Typ. Max. Unit V 3 nA µA 40 A VGS = 10 V, ID = 6.0 A 0.018 0.022 VGS = 10 V, ID = 6.0 A, TJ = 125 °C 0.031 0.037 VGS = 10 V, ID = 6.0 A, TJ = 175 °C 0.039 0.047 0.031 VGS = 4.5 V, ID = 5.1 A 0.025 gfs VDS = 15 V, ID = 6.0 A 25 VSD IS = 1.7 A, VGS = 0 V 0.8 1.2 18 27 VDS = 30 V, VGS = 10 V, ID = 6.0 A 3.4 Ω S V Dynamicb Total Gate Charge Qg Gate-Source Charge Qgs Gate-Drain Charge Qgd Rg Gate Resistance VGS = 0.1 V, f = 5 MHz 0.5 td(on) Turn-On Delay Time VDD = 30 V, RL = 30 Ω ID ≅ 1 A, VGEN = 10 V, Rg = 6 Ω tr Rise Time td(off) Turn-Off Delay Time Fall Time tf Source-Drain Reverse Recovery Time trr nC 5.3 IF = 1.7 A, dI/dt = 100 A/µs 1.4 2.4 10 20 10 20 25 50 12 24 50 80 Ω 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. TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted 40 40 VGS = 10 V thru 5 V 32 ID - Drain Current (A) ID - Drain Current (A) 32 24 4V 16 8 24 16 TC = 150 °C 8 25 °C 3V 0 0.0 - 55 °C 0 0.5 1.0 1.5 2.0 2.5 VDS - Drain-to-Source Voltage (V) Output Characteristics www.vishay.com 2 3.0 0 1 2 3 4 5 VGS - Gate-to-Source Voltage (V) Transfer Characteristics Document Number: 71146 S09-1341-Rev. F, 13-Jul-09 Si4850EY Vishay Siliconix TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted 1400 0.06 1200 Ciss C - Capacitance (pF) RDS(on) - On-Resistance (Ω) 0.05 0.04 VGS = 4.5 V 0.03 VGS = 10 V 0.02 1000 800 600 400 Coss 0.01 200 0.00 0 0 8 16 24 32 Crss 0 40 10 20 40 50 60 VDS - Drain-to-Source Voltage (V) ID - Drain Current (A) On-Resistance vs. Drain Current Capacitance 10 2.2 ID = 6.0 A ID = 6.0 V 2.0 VGS = 10 V 8 VDS = 30 V RDS(on) - On-Resistance (Normalized) VGS - Gate-to-Source Voltage (V) 30 6 4 1.8 1.6 1.4 1.2 1.0 2 0.8 0 0 4 8 12 16 0.6 - 50 20 - 25 0 Qg - Total Gate Charge (nC) 25 50 75 100 125 150 175 TJ - Junction Temperature (°C) Gate Charge On-Resistance vs. Junction Temperature 50 0.06 TJ = 175 °C RDS(on) - On-Resistance (Ω) IS - Source Current (A) 0.05 TJ = 25 °C 10 0.04 ID = 6.0 A 0.03 0.02 0.01 1 0.00 0.00 0.5 1.0 1.5 2.0 VSD - Source-to-Drain Voltage (V) Source-Drain Diode Forward Voltage Document Number: 71146 S09-1341-Rev. F, 13-Jul-09 2.5 0 2 4 6 8 10 VGS - Gate-to-Source Voltage (V) On-Resistance vs. Gate-to-Source Voltage www.vishay.com 3 Si4850EY Vishay Siliconix 0.8 50 0.4 40 0.0 30 Power (W) VGS(th) Variance (V) TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted ID = 250 µA - 0.4 - 0.8 20 10 - 1.2 - 50 0 - 25 0 25 50 75 100 125 150 175 0.01 0.1 1 TJ - Temperature (°C) 10 100 1000 Time (s) Single Pulse Power Threshold Voltage 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 = 75 °C/W 3. TJM - TA = PDMZthJA(t) Single Pulse 4. Surface Mounted 0.01 10-4 10-3 10 -2 10-1 1 10 100 600 Square Wave Pulse Duration (s) Normalized Thermal Transient Impedance, Junction-to-Ambient 2 Normalized Effective Transient Thermal Impedance 1 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 1 10 Square Wave Pulse Duration (s) 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?71146. www.vishay.com 4 Document Number: 71146 S09-1341-Rev. F, 13-Jul-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 VISHAY SILICONIX TrenchFET® Power MOSFETs Application Note 808 Mounting LITTLE FOOT®, SO-8 Power MOSFETs Wharton McDaniel Surface-mounted LITTLE FOOT power MOSFETs use integrated circuit and small-signal packages which have been been modified to provide the heat transfer capabilities required by power devices. Leadframe materials and design, molding compounds, and die attach materials have been changed, while the footprint of the packages remains the same. See Application Note 826, Recommended Minimum Pad Patterns With Outline Drawing Access for Vishay Siliconix MOSFETs, (http://www.vishay.com/ppg?72286), for the basis of the pad design for a LITTLE FOOT SO-8 power MOSFET. In converting this recommended minimum pad to the pad set for a power MOSFET, designers must make two connections: an electrical connection and a thermal connection, to draw heat away from the package. 0.288 7.3 0.050 1.27 0.196 5.0 0.027 0.69 0.078 1.98 0.2 5.07 Figure 1. Single MOSFET SO-8 Pad Pattern With Copper Spreading Document Number: 70740 Revision: 18-Jun-07 0.050 1.27 0.088 2.25 0.088 2.25 0.027 0.69 0.078 1.98 0.2 5.07 Figure 2. Dual MOSFET SO-8 Pad Pattern With Copper Spreading The minimum recommended pad patterns for the single-MOSFET SO-8 with copper spreading (Figure 1) and dual-MOSFET SO-8 with copper spreading (Figure 2) show the starting point for utilizing the board area available for the heat-spreading copper. To create this pattern, a plane of copper overlies the drain pins. The copper plane connects the drain pins electrically, but more importantly provides planar copper to draw heat from the drain leads and start the process of spreading the heat so it can be dissipated into the ambient air. These patterns use all the available area underneath the body for this purpose. Since surface-mounted packages are small, and reflow soldering is the most common way in which these are affixed to the PC board, “thermal” connections from the planar copper to the pads have not been used. Even if additional planar copper area is used, there should be no problems in the soldering process. The actual solder connections are defined by the solder mask openings. By combining the basic footprint with the copper plane on the drain pins, the solder mask generation occurs automatically. A final item to keep in mind is the width of the power traces. The absolute minimum power trace width must be determined by the amount of current it has to carry. For thermal reasons, this minimum width should be at least 0.020 inches. The use of wide traces connected to the drain plane provides a low impedance path for heat to move away from the device. www.vishay.com 1 APPLICATION NOTE In the case of the SO-8 package, the thermal connections are very simple. Pins 5, 6, 7, and 8 are the drain of the MOSFET for a single MOSFET package and are connected together. In a dual package, pins 5 and 6 are one drain, and pins 7 and 8 are the other drain. For a small-signal device or integrated circuit, typical connections would be made with traces that are 0.020 inches wide. Since the drain pins serve the additional function of providing the thermal connection to the package, this level of connection is inadequate. The total cross section of the copper may be adequate to carry the current required for the application, but it presents a large thermal impedance. Also, heat spreads in a circular fashion from the heat source. In this case the drain pins are the heat sources when looking at heat spread on the PC board. 0.288 7.3 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 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. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 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. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 11-Mar-11 www.vishay.com 1