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| Bay Linear Inspire the Linear Power N-CHANNEL DMOS FET SWITCH High Gain Level Shifter B3520/B3540 Series Description The B3520 series consists of enhancement-mode MOSFETs designed for high speed low-glitch switching in audio, video, and high-frequency wireless applications. The CT3520 is optimized as a high speed driver. With a source feedback resistor it can be uses as a high speed LED Driver. The B3520 series uses Bay Linear ULTRA REL DMOS Process for reliability and robust performance. These MOSFETs utilize lateral construction to achieve low capacitance and ultra-fast switching speeds. An integrated Zener diode provides ESD protection. Features * * * * Low capacitance - 0.3pF typical Low threshold - <1.5V max Fast switching - ton<1ns CMOS and TTL Compatible Input Application * * * * LED Drivers Level Shifting Switch Drivers VHF/UHF Amplifiers Pin Connection SOT-143 Package Lead Code Identification (top view) Ordering Information Package SOT-143 SOT-143 Part No. B3520K4 -X.X B3540K4-XX Body Substrate 1 4 Gate Source 2 3 Drain Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B3520/B3540 Electrical Specifications (TC = +25C unless otherwise noted) Parameter Drain-Source Breakdown Voltage Source-Drain Breakdown Voltage DrainSubstrate Breakdown Voltage SourceSubstrate Breakdown Voltage Drain-Source Leakage Source Drain Leakage Gate Leakage Gate Threshold Voltage Drain-Source ON Resistance Symbol BVDS BVSD Test Conditions ID=1 A VGS=VBS=0 IS=50 nA VGD=VBD=-5 ID=50 nA, VGB=0 Source Open ID=10 A, VGB=0 Drain Open VGS/BS=-5 VGS/BS=0 VGD/BS=-5 VGS/BS=0 VDB/SB= 0 VDS=10V VDS=15V VDS=10V VDS=15V VGS=20V 0.3 1 0.7 140 40 10 1.5 175 60 0.3 Min 15 10 B3520 Typ 25 15 Max Min 15 B3540 Typ 25 Max Units V V BVDB 10 15 V BVSB 10 15 1 1 50 0.1 50 0.1 1 0.7 140 40 1 10 1.5 175 60 1 V nA A nA A A V Ohm Ohm Bay Linear, Inc STATIC ID (OFF) IS (OFF) IGBS VGS (th) rDS (ON) VDS=VGS ID=1 A VSB=0 ID=1 mA VSB= 0V VGS=2.4V VGS=4.5V Parameter Common-Source Forward Transconductance Symbol Test Conditions VDS= 10V ID= 20mA f = 1MHz, VSB=0 Pulsed Min 14 B3520 Typ 18 4.5 2.0 5.5 0.3 0.7 0.8 1.5 Max Min 14 B3540 Typ 18 4.5 2.0 5.5 0.3 0.7 0.8 1.5 Max Units gfS V 6.0 3.0 7.0 0.5 1.0 1.0 pF pF pF pF ns ns ns Gate Node C(gs+gd+gb) Capacitance Drain Node C(gd+db) VDS= 10V Capacitance VGS=VBS= -15V Source Node f = 1MHz C(gs+sb) Capacitance Reverse Transfer C(dg) Capacitance Turn On Delay V= 10V td(on) Time VG(on)= 10V Rise Time tr RL= 680 RG= 51 Turn Off Delay Td(off) CL = 1.5pF Time 6.0 3.0 7.0 0.5 1.0 1.0 DYNAMIC 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B3520 Switching Time Test Circuit To Scope +VDD 510 RL VOUT To Scope VIN 51 Input Pulse: td, tr < 1ns Pulse width: 100 ns Rep rate: 1 MHz Sampling Scope Tr < 360 ps RIN = 1 M CIN = 2 pF BW = 500 MHz +5 V VIN 0V td(on) td(off) 90% 50% VDD VOUT 0V tf 50% 10% tf Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B3520 Absolute Maximum Ratings, Tc = +25C Parameter Unit Absolute Maximum[1] SOT-143 Drain-Source Voltage Gate-Source Voltage Gate-Drain Voltage Continuous Drain Current Power dissipation Tc=25 Linear Derating Factor Junction Temperature Storage Temperature V V V mA mW mW/C C C +15 -0.3 / +20 -0.3 / +20 50 300 3 -55 to +125 -55 to +125 Notes: 1. 2. Operation in excess of any one of these conditions may result in permanent damage to the device TC = +25C, where TC is defined to be the temperature at the package pins where contact is made to the circuit board. ESD WARNING: Handling Precautions Should Be Taken To Avoid Static Discharge. Advance Information- These data sheets contain descriptions of products that are in development. The specifications are based on the engineering calculations, computer simulations and/ or initial prototype evaluation. Preliminary Information- These data sheets contain minimum and maximum specifications that are based on the initial device characterizations. These limits are subject to change upon the completion of the full characterization over the specified temperature and supply voltage ranges. The application circuit examples are only to explain the representative applications of the devices and are not intended to guarantee any circuit design or permit any industrial property right to other rights to execute. Bay Linear takes no responsibility for any problems related to any industrial property right resulting from the use of the contents shown in the data book. Typical parameters can and do vary in different applications. Customer's technical experts must validate all operating parameters including " Typical" for each customer application. LIFE SUPPORT AND NUCLEAR POLICY Bay Linear products are not authorized for and should not be used within life support systems which are intended for surgical implants into the body to support or sustain life, in aircraft, space equipment, submarine, or nuclear facility applications without the specific written consent of Bay Linear President. Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com |
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