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| SI4704DY New Product Vishay Siliconix Load Switch with Level-Shift PRODUCT SUMMARY VDS2 (V) 20 FEATURES ID (A) 6.5 5.5 rDS(on) (W) 0.017 @ VGS2 = 4.5 V 0.024 @ VGS2 = 2.5 V D TrenchFETr Power MOSFET D LITTLE FOOT Plust Level Shifrt APPLICATIONS D Low Voltage BUS/Load Switching 5, 6, 7 3, 4 Q2 8 VHV SO-8 S1 VON/OFF S2 S2 1 2 3 4 Top View 8 7 6 5 VHV VIN VIN VIN VIN S2 2 VON/OFF Q1 1 S1 ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED) Parameter Input Voltage ON/OFF Voltage Continuousa 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) Pulsed b IL IS PD TJ, Tstg ESD Symbol VIN VON/OFF Limit 20 8 6.5 "30 -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 80 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 = 20 V, VON/OFF = 0 V, VHV = 0 V IS = -1.15 A 0.65 1 1 mA V Symbol Test Condition Min Typ Max Unit ON Characteristics VON/OFF = 0 V, ID = 7 A, VHV = 4.5 V, VS2 = 0 V On-Resistance (Q2) On-State (Q2) Drain-Current rDS(on) ID(on) VON/OFF = 0 V, ID = 6 A, VHV = 2.5 V, VS2 = 0 V VIN-OUT v 0.1 V, VIN = 5 V, VON/OFF = 0 V, VHV = 4.5 V 20 0.014 0.0195 0.017 0.024 W A Notes a. Surface Mounted on FR4 Board. b. Pulse test: pulse width v300 ms, duty cycle v2%. Document Number: 71929 S-21293--Rev. A, 05-Aug-02 www.vishay.com 1 SI4704DY Vishay Siliconix New Product TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) VDS vs. ID 0.6 VON/OFF = 0 V VHV = 4.5 V VS2 = 0 V 1.0 VON/OFF = 0 V VHV = 2.5 V VS2 = 0 V VDS vs. ID 0.5 0.8 0.4 (V) (V) 0.6 TJ = 125_C 0.4 TJ = 25_C 0.1 0.2 TJ = 125_C TJ = 25_C 0.2 V DS V DS 0.3 0.0 0 6 12 ID - (A) 18 24 30 0.0 0 6 12 18 ID - (A) 24 30 VDS vs. VHV 0.10 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) 0.06 0.3 V DS V DS 0.04 TJ = 125_C 0.02 TJ = 25_C 0.00 0 2 4 6 VHV - (V) 8 10 0.2 TJ = 125_C 0.1 0.0 0 2 4 TJ = 25_C 6 VHV - (V) 8 10 rDS vs. VHV 0.10 VON/OFF = 0 V IDS = 1 A VS2 = 0 V Normalized On-Resistance vs. Junction Temperature 1.8 VON/OFF = 0 V IDS = 1 A VS2 = 0 V r SS(on) - On-Resistance ( W ) 0.08 r DS(on) - On-Resistance (W) (Normalized) 1.6 1.4 0.06 1.2 VHV = 4.5 V 1.0 0.04 TJ = 125_C 0.02 TJ = 25_C 0.00 0 2 4 6 VHV - (V) 8 10 0.8 0.6 -50 -25 0 25 50 75 100 125 TJ - Junction Temperature (_C) 150 www.vishay.com 2 Document Number: 71929 S-21293--Rev. A, 05-Aug-02 SI4704DY New Product 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 12 Vishay Siliconix 30 50 trise Variation with RG/VIN VON/OFF = 2 V VHV = 12 V Co = 10 mF IL = 1 A 24 40 Time ( mS) 18 30 VIN = 3.3 V 20 VIN = 5 V 6 10 0 10 30 50 70 RG (kW) 90 110 0 10 30 50 70 RG (kW) 90 110 0.5 td(off) Variation with RG/VIN 200 tf Variation with RG/VIN 0.4 VIN = 3.3 V 160 VIN = 5 V Time ( mS) Time ( mS) 0.3 VIN = 5 V 120 VIN = 3.3 V 80 VON/OFF = 2 V VHV = 12 V Co = 10 mF IL = 1 A 0.2 VON/OFF = 2 V VHV = 12 V Co = 10 mF IL = 1 A 0.1 40 0.0 10 30 50 70 RG (kW) 90 110 0 10 30 50 70 RG (kW) 90 110 Safe Operating Area, Junction-to-Case 100 Limited by rDS(on) 10 I D - Drain Current (A) 1 ms 10 ms 1 100 ms 1s 0.1 10 s TC = 25_C Single Pulse dc 0.01 0.1 1 10 100 VDS - Drain-to-Source Voltage (V) Document Number: 71929 S-21293--Rev. A, 05-Aug-02 www.vishay.com 3 SI4704DY Vishay Siliconix New Product TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) 2 1 Duty Cycle = 0.5 Normalized Effective Transient Thermal Impedance Normalized Thermal Transient Impedance, Junction-to-Ambient 0.2 Notes: 0.1 0.1 0.05 0.02 PDM t1 t2 1. Duty Cycle, D = t1 t2 2. Per Unit Base = RthJA = 80_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 2 1 Normalized Effective Transient Thermal Impedance Duty Cycle = 0.5 Normalized Thermal Transient Impedance, Junction-to-Foot 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 5V 5, 6, 7 1.5-V BUS VIN 8 VHV 2 VON/OFF 1 S1 Q1 Q2 S2 RL 3, 4 NOTE: Voltage difference between pull-up voltage, 5 V, and BUS voltage, 1.5 V, should be greater than 2.5 V. www.vishay.com Document Number: 71929 S-21293--Rev. A, 05-Aug-02 4 |
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