BSS138W N-Channel POWER MOSFET 3 DRAIN P b Lead(Pb)-Free 3 1 2 1 GATE Description: * Typical applications are dc–dc converters, power management in portable and battery–powered products such as computers, printers, PCMCIA cards, cellular and cordless telephones. SOT-323(SC-70) 2 SOURCE Features: * Simple Drive Requirement * Small Package Outline Maximum Ratings (TA=25°C Unless Otherwise Specified) Rating Symbol Value Unit Drain-Source Voltage VDS 50 V Gate-Source Voltage VGS ±20 V Continuous Drain Current VGS = (TA=25°C) ID 200 mA Pulsed Drain Current (tp ≤ 10µS) IDM 800 mA Power Dissipation (TA=25°C) PD 150 mW Maximax Junction-to-Ambient R θJA 556 °C/W TJ +150 °C Tstg -55 to +150 °C TL 260 °C Operating Junction Temperature Range Storage Temperature Range Maximum Lead Temperature for Soldering Purposes, for 10 seconds Device Marking BSS138W = J1 WEITRON http://www.weitron.com.tw 1/5 10-Apr-06 BSS138W Electrical Characteristics (TA=25°C Unless otherwise noted) Min Typ Max Unit V(BR)DSS 50 - - V Gate-Threshold Voltage VDS=VGS, ID=1.0mA VGS (th) 0.5 - 1.5 V Gate-Source Leakage Current VGS=±20V IGSS - - ±0.1 µA Drain-Source Leakage Current VDS=25V, VGS=0 VDS=50V, VGS=0 IDSS - - 0.1 0.5 µA RDS (on) - 5.6 - 10 3.5 Ω gfs 100 - - mS Input Capacitance VDS=25V, VGS=0V, f=1.0MHz Ciss - 40 50 Output Capacitance VDS=25V, VGS=0V, f=1.0MHz Coss - 12 25 Reverse Transfer Capacitance VDS=25V, VGS=0V, f=1.0MHz Crss - 3.5 5.0 Turn-On Time VDD=30V, ID=200mA td(on) - - 20 Turn-Off Time VDD=30V, ID=200mA td(off) - - 20 Characteristic Symbol Static Drain-Source Breakdown Voltage VGS=0V, ID=250µA Static Drain-Source On-Resistance VGS=2.75V, ID < 200mA, TA = -40°C to +85°C VGS=5.0V, ID=200mA Forward Transconductance VDS=25V, ID=200mA, f = 1.0kHz Dynamic pF Switching2 ns 1. Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2%. 2. Switching characteristics are independent of operating junction temperature. WEITRON http://www.weitron.com.tw 2/5 10-Apr-07 BSS138W Characteristics Curve ° ° ° ° Fig.2 Transfer Characteristics Fig.1 On–Region Characteristics ° ° Fig.3 On–Resistance Variation with Temperature Fig.4 Threshold Voltage Variation with Temperature ° Fig.5 Gate Charge WEITRON http://www.weitron.com.tw 3/5 10-Apr-07 BSS138W Characteristics Curve ° ° ° ° ° ° Fig.6 On–Resistance versus Drain Current Fig.7 On–Resistance versus Drain Current ° ° ° ° ° ° Fig.8 On–Resistance versus Drain Current ° ° Fig.9 On–Resistance versus Drain Current ° Fig.10 Body Diode Forward Voltage WEITRON http://www.weitron.com.tw Fig.11 Capacitance 4/5 10-Apr-07 BSS138W SOT-323 Outline Demensions Unit:mm A B T OP V IE W Dim A B C D E G H J K L M C D E G H K J WEITRON http://www.weitron.com.tw L M 5/5 SOT-323 Min 0.30 1.15 2.00 0.30 1.20 1.80 0.00 0.80 0.42 0.10 Max 0.40 1.35 2.40 0.65 0.40 1.40 2.20 0.10 1.00 0.53 0.25 10-Apr-07