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| SI3865DV New Product Vishay Siliconix Load Switch with Level-Shift PRODUCT SUMMARY VDS2 (V) rDS(on) (W) 0.080 @ VIN = 4.5 V 1.8 1 8 to 8 0.110 @ VIN = 2.5 V 0.175 @ VIN = 1.8 V ID (A) "2.7 "2.2 "1.7 1.8 V Rated D Low Profile, Small Footprint TSOP-6 Package D 3000-V ESD Protection On Input Switch, VON/OFF D Adjustable Slew-Rate FEATURES D 80-mW Low rDS(on) TrenchFETt D 1.8 to 8-V Input D 1.5 to 8-V Logic Level Control DESCRIPTION The SI3865DV includes a p- and n-channel MOSFET in a single TSOP-6 package. The low on-resistance p-channel TrenchFETR is tailored for use as a load switch. The n-channel, with an external resistor, can be used as a level-shift to drive the p-channel load-switch. The n-channel MOSFET has internal ESD protection and can be driven by logic signals as low as 1.5-V. The SI3865DV operates on supply lines from 1.8 to 8-V, and can drive loads up to 2.7 A. APPLICATION CIRCUITS SI3865DV 40 4 VIN Q2 R1 6 6 C1 Time ( mS) 24 2, 3 VOUT 32 td(off) tf Switching Variation R2 @ VIN = 2.5 V, R1 = 20 kW IL = 1 A VON/OFF = 3 V Ci = 10 mF Co = 1 mF 5 ON/OFF Q1 Co LOAD 16 tr 8 td(on) Ci 1 R2 R2 GND 0 0 2 4 R2 (kW) Note: For R2 switching variations with other VIN/R1 combinations See Typical Characteristics 6 8 COMPONENTS R1 R2 C1 Pull-Up Resistor Optional Slew-Rate Control Optional Slew-Rate Control Typical 10 kW to 1 mW* Typical 0 to 100 kW* Typical 1000 pF The SI3865DV is ideally suited for high-side load switching in portable applications. The integrated n-channel level-shift device saves space by reducing external components. The slew rate is set externally so that rise-times can be tailored to different load types. *Minimum R1 value should be at least 10 x R2 to ensure Q1 turn-on. Document Number: 70867 S-60515--Rev. A, 05-Apr-99 www.vishay.com S FaxBack 408-970-5600 2-1 SI3865DV Vishay Siliconix FUNCTIONAL BLOCK DIAGRAM SI3865DV TSOP-6 Top View S2 Q2 R2 1 6 R1, C1 6 R1, C1 D2 2 5 ON/OFF 5 ON/OFF Q1 4 2, 3 D2 New Product D2 3 4 S2 1 R2 ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED) Parameter Input Voltage 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, b Pulsedb, c Symbol VIN VON/OFF IL IS PD TJ, Tstg ESD Limit 8 8 "2.7 "6 -1 0.83 -55 to 150 3 Unit V A W _C kV THERMAL RESISTANCE RATINGS Parameter Maximum Junction-to-Ambient (continuous current)a Maximum Junction-to-Foot (Q2) Symbol RthJA RthJC Typical 120 35 Maximum 150 50 Unit _C/W SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED) Parameter OFF Characteristics Reverse Leakage Current Diode Forward Voltage IFL VSD VIN = 8 V, VON/OFF = 0 V IS = -1 A -0.7 1 -1 mA V Symbol Test Condition Min Typ Max Unit ON Characteristics Input Voltage Range VIN VIN = 4.5 V On-Resistance (p-channel) @ 1 A ORi (h l) rDS(on) VON/OFF = 1 5 V 1.5 ID = 1 A VIN = 2.5 V VIN = 1.8 V On-State (p-channel) Drain-Current ID(on) VIN-OUT v 0.2 V, VIN = 5 V, VON/OFF = 1.5 V VIN-OUT v 0.3 V, VIN = 3 V, VON/OFF = 1.5 V 1 1 1.8 0.064 0.092 0.135 8 0.080 0.110 0.175 A W V Notes a. Surface Mounted on FR4 Board. b. VIN = 8 V, VON/OFF = 8 V, TA = 25_C. c. Pulse test: pulse width v300 ms, duty cycle v2%. www.vishay.com S FaxBack 408-970-5600 Document Number: 70867 S-60515--Rev. A, 05-Apr-99 2-2 SI3865DV New Product TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) VDROP vs. IL @ VIN = 4.5 V 0.5 VON/OFF = 1.5 to 8 V 0.4 0.4 0.5 Vishay Siliconix VDROP vs. IL @ VIN = 2.5 V VON/OFF = 1.5 to 8 V V DROP (V) V DROP (V) 0.3 TJ = 125_C 0.2 TJ = 25_C 0.3 TJ = 125_C 0.2 TJ = 25_C 0.1 0.1 0 0 1 2 IL - (A) 3 4 5 0 0 1 2 IL - (A) 3 4 5 VDROP vs. IL @ VIN = 1.8 V 0.5 VON/OFF = 1.5 to 8 V 0.4 0.40 VDROP vs. VIN @ IL = 1 A IL = 1 A VON/OFF = 1.5 to 8 V 0.32 V DROP (V) V DROP (V) TJ = 25_C 0.3 TJ = 125_C 0.2 0.24 0.16 TJ = 125_C 0.1 0.08 TJ = 25_C 0 0 0.4 0.8 1.2 IL - (A) 1.6 2.0 0 0 2 4 VIN (V) 6 8 VDROP Variance vs. Junction Temperature 0.06 IL = 1 A VON/OFF = 1.5 to 8 V 0.04 r SS(on) - On-Resistance ( W ) V DROP Variance (V) 0.3 VIN = 5 V 0.02 VIN = 1.8 V 0.00 0.4 On-Resistance vs. Input Voltage IL = 1 A VON/OFF = 1.5 to 8 V 0.2 TJ = 125_C 0.1 -0.02 TJ = 25_C -0.04 -50 0 -25 0 25 50 75 100 125 150 0 2 4 VIN (V) 6 8 TJ - Junction Temperature (_C) Document Number: 70867 S-60515--Rev. A, 05-Apr-99 www.vishay.com S FaxBack 408-970-5600 2-3 SI3865DV Vishay Siliconix New Product TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Normalized On-Resistance vs. Junction Temperature 1.4 IL = 1 A VON/OFF = 1.5 to 8 V r DS(on) - On-Resistance (W) (Normalized) 1.2 VIN = 5 V Time ( mS) VIN = 1.8 V 40 tf 30 IL = 1 A VON/OFF = 3 V Ci = 10 mF Co = 1 mF tr 10 td(on) 50 Switching Variation R2 @ VIN = 4.5 V, R1 = 20 kW td(off) 1.0 20 0.8 0.6 -50 0 -25 0 25 50 75 100 125 150 0 2 4 R2 (kW) 6 8 TJ - Junction Temperature (_C) 40 Switching Variation R2 @ VIN = 2.5 V, R1 = 20 kW IL = 1 A VON/OFF = 3 V Ci = 10 mF Co = 1 mF tf Time ( mS) 50 Switching Variation R2 @ VIN = 1.8 V, R1 = 20 kW IL = 1 A VON/OFF = 3 V Ci = 10 mF Co = 1 mF tr 32 td(off) Time ( mS) 24 40 30 tf 16 tr 8 td(on) 20 td(on) 10 td(off) 0 0 2 4 R2 (kW) 6 8 0 0 1 2 3 R2 (kW) 4 5 6 1000 Switching Variation R2 @ VIN = 4.5 V, R1 = 300 kW IL = 1 A VON/OFF = 3 V Ci = 10 mF Co = 1 mF Time ( mS) td(off) tf 500 Switching Variation R2 @ VIN = 2.5 V, R1 = 300 kW 800 400 tf td(off) Time ( mS) 600 300 400 200 IL = 1 A VON/OFF = 3 V Ci = 10 mF Co = 1 mF tr 200 tr 0 0 20 40 R2 (kW) 60 td(on) 80 100 td(on) 0 0 20 40 R2 (kW) 60 80 www.vishay.com S FaxBack 408-970-5600 2-4 Document Number: 70867 S-60515--Rev. A, 05-Apr-99 SI3865DV New Product TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Switching Variation R2 @ VIN = 1.8 V, R1 = 300 kW Vishay Siliconix 400 320 tf Time ( mS) 240 td(off) 160 IL = 1 A VON/OFF = 3 V Ci = 10 mF Co = 1 mF tr td(on) 80 0 0 10 20 30 R2 (kW) 40 50 60 Normalized Thermal Transient Impedance, Junction-to-Ambient 2 1 Duty Cycle = 0.5 Normalized Effective Transient Thermal Impedance 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 = 150_C/W Single Pulse 0.01 10-4 10-3 10-2 10-1 1 3. TJM - TA = PDMZthJA(t) 4. Surface Mounted 10 100 600 Square Wave Pulse Dureation (sec) Document Number: 70867 S-60515--Rev. A, 05-Apr-99 www.vishay.com S FaxBack 408-970-5600 2-5 |
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