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| SI4702DY Vishay Siliconix Load Switch with Level-Shift PRODUCT SUMMARY VDS2 (V) 30 rDS(on) (W) 0.024 @ VGS2 = 10 V 0.035 @ VGS2 = 4.5 V ID (A) 5.5 4.5 5, 6, 7 SO-8 S1 VON/OFF S2 S2 1 2 3 4 Top View Ordering Information: SI4702DY SI4702DY-T1 (with Tape and Reel) 8 7 6 5 VHV VIN VIN VIN VIN 8 3, 4 Q2 S2 VHV VON/OFF 2 Q1 1 S1 ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED) Parameter Input Voltage Q2 Gate-Drive Voltage Referenced to S1 or S2 ON/OFF Voltage Load Current Continuous Intrinsic Diode Conductiona Maximum Power Dissipationa Operating Junction and Storage Temperature Range ESD Rating, MIL-STD-883D Human Body Model (100 pF, 1500 W) Continuousa Pulsed b Symbol VIN VHV VON/OFF IL IS PD TJ, Tstg ESD Limit 30 20 8 5.5 "20 - 1.15 1.25 - 55 to 150 3 Unit V A W _C kV THERMAL RESISTANCE RATINGS Parameter Maximum Junction-to-Ambient (t = steady state)a Maximum Junction-to-Foot (Q2) Symbol RthJA RthJC Typical 83 25 Maximum 100 30 Unit _C/W SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED) Parameter OFF Characteristics Reverse Leakage Current Diode Forward Voltage IFL VSD VIN = 30 V, VON/OFF = 0 V, VHV = 0 V IS = - 1.15 A 0.7 1 1 mA V Symbol Test Condition Min Typ Max Unit ON Characteristics On-Resistance On Resistance (Q2) On-State (Q2) Drain-Current rDS( ) DS(on) ID(on) VON/OFF = 0 V, ID = 5.5 A, VHV = 10 V, VS2 = 0 V VON/OFF = 0 V, ID = 4.5 A, VHV = 4.5 V, VS2 = 0 V VIN - VOUT v 0.1 V, VIN = 5 V, VON/OFF = 0 V VHV = 10 V 15 0.019 0.028 0.024 0.035 W A Notes a. Surface Mounted on FR4 Board. b. Pulse test: pulse width v300 ms, duty cycle v2%. Document Number: 71293 S-31874--Rev. E, 15-Sep-03 www.vishay.com 1 SI4702DY Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) 1.0 VON/OFF = 0 V VHV = 10 V VS2 = 0 V (V) VDS vs. ID 2.0 VON/OFF = 0 V VHV = 4.5 V VS2 = 0 V VDS vs. ID 0.8 1.6 (V) 0.6 TJ = 125_C 0.4 TJ = 25_C 0.2 1.2 TJ = 125_C 0.8 TJ = 25_C 0.4 V DS 0.0 0 6 12 ID - (A) 18 24 30 V DS 0.0 0 6 12 18 ID - (A) 24 30 0.10 VDS vs. VHV 0.5 VDS vs. VHV 0.08 VON/OFF = 0 V IDS = 1 A VS2 = 0 V (V) 0.4 VON/OFF = 0 V IDS = 5 A VS2 = 0 V V DS (V) 0.06 TJ = 125_C 0.04 0.3 TJ = 125_C 0.2 V DS 0.02 TJ = 25_C 0.00 0 3 6 VHV - (V) 9 12 0.1 TJ = 25_C 0.0 0 3 6 VHV - (V) 9 12 0.10 rDS vs. VHV Normalized On-Resistance vs. Junction Temperature 1.8 1.6 1.4 VHV = 4.5 V 1.2 1.0 0.8 0.6 - 50 VON/OFF = 0 V IDS = 1 A VS2 = 0 V r SS(on) - On-Resistance ( W ) 0.06 TJ = 125_C 0.04 0.02 TJ = 25_C 0.00 0 3 6 VHV - (V) 9 12 r DS(on) - On-Resistance (W) (Normalized) 0.08 VON/OFF = 0 V IDS = 1 A VS2 = 0 V VIN = 10 V - 25 0 25 50 75 100 125 TJ - Junction Temperature (_C) 150 www.vishay.com 2 Document Number: 71293 S-31874--Rev. E, 15-Sep-03 SI4702DY Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) td(on) Variation with RG/VIN VON/OFF = 2 V VHV = 12 V Co = 10 mF IL = 1 A Time ( mS) VIN = 5 V VIN = 3.3 V 20 30 trise Variation with RG/VIN VON/OFF = 2 V VHV = 12 V Co = 10 mF IL = 1 A 16 24 Time ( mS) 12 18 VIN = 3.3 V VIN = 5 V 8 12 4 6 0 10 30 50 70 RG (kW) 90 110 0 10 30 50 70 RG (kW) 90 110 0.40 td(off) Variation with RG/VIN 120 100 tf Variation with RG/VIN VIN = 5 V 0.32 VIN = 5 V Time ( mS) 0.24 VIN = 3.3 V VON/OFF = 2 V VHV = 12 V Co = 10 mF IL = 1 A Time ( mS) 80 60 40 20 0 VIN = 3.3 V 0.16 0.08 VON/OFF = 2 V VHV = 12 V Co = 10 mF IL = 1 A 0.00 10 30 50 70 RG (kW) 90 110 10 30 50 70 RG (kW) 90 110 2 1 Normalized Effective Transient Thermal Impedance Normalized Thermal Transient Impedance, Junction-to-Ambient Duty Cycle = 0.5 0.2 Notes: 0.1 0.1 0.05 0.02 Single Pulse 0.01 10 -4 10 -3 10 -2 10 -1 1 PDM t1 t2 1. Duty Cycle, D = 2. Per Unit Base = RthJA = 83_C/W 3. TJM - TA = PDMZthJA(t) 4. Surface Mounted t1 t2 10 100 600 Square Wave Pulse Dureation (sec) Document Number: 71293 S-31874--Rev. E, 15-Sep-03 www.vishay.com 3 SI4702DY Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Normalized Thermal Transient Impedance, Junction-to-Foot 2 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 (sec) 1 10 TYPICAL APPLICATION CIRCUIT 12 V 5, 6, 7 VIN 8 VHV 2 VON/OFF 1 S1 Q1 Q2 3, 4 S2 RL 5-V BUS NOTE: Voltage difference between pull-up voltage, 12 V, and BUS voltage, 5 V, should be greater than 4.5 V. www.vishay.com 4 Document Number: 71293 S-31874--Rev. E, 15-Sep-03 |
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