15MQ040N 40V SCHOTTKY RECTIFIER 3.0A FEATURES Switching power supplies Meter protection Reverse protection for power input to PC board circuits Battery isolation and charging Low threshold voltage diode Free-wheeling or by-pass diode Low voltage clamp MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Parameters 15MQ Units IF(AV) Max. Average Forward Current * See Fig. 4 2.1 IFSM Max. Peak One Cycle Non-Repetitive 330 Surge Current * See Fig. 6 140 A A EAS Non-Repetitive Avalanche Energy 6.0 mJ IAR Repetitive Avalanche Current 1.0 A 15MQ Units Conditions 50% duty cycle @ TL = 105 °C, rectangular wave form. On PC board 9mm2 island(.013mm thick copper pad area) 5µs Sine or 3µs Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 1A, L = 12mH Electrical Specifications Parameters VFM Max. Forward Voltage Drop (1) 0.42 V @ 1A 0.49 V @ 2A 0.34 V @ 1A 0.43 V @ 2A Max. Reverse Leakage Current (1) 0.5 mA TJ = 25 °C * See Fig. 2 20 mA TJ = 125 °C TJ = TJ max. * See Fig. 1 IRM Conditions TJ = 25 °C TJ = 125 °C VR = rated VR VF(TO) Threshold Voltage 0.26 V rt Forward Slope Resistance 64.6 mΩ CT Typical Junction Capacitance 134 pF VR = 10VDC, TJ = 25°C, test signal = 1Mhz LS Typical Series Inductance 2.0 nH Measured lead to lead 5mm from package body 10000 V/µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 15MQ TJ Max. Junction Temperature Range (*) -40 to 150 Tstg Max. Storage Temperature Range RthJA Max. Thermal Resistance Junction to Ambient wt Approximate Weight -40 to 150 80 SMA Device Marking IR3F dTj < 1 Rth( j-a) E-mail: [email protected] Conditions °C °C °C/W DC operation 0.07(0.002) g (oz.) Case Style (*) dPtot Units Similar D-64 thermal runaway condition for a diode on its own heatsink 1 of 2 Web Site: www.taychipst.com 15MQ040N 40V SCHOTTKY RECTIFIER RATINGS AND CHARACTERISTIC CURVES 3.0A 15MQ040N 100 10 Reverse Current - I R (mA) 125°C 100°C 1 75°C 0.1 50°C 0.01 0.001 TJ= 150°C 25°C 0 1 5 10 15 20 25 30 35 40 Reverse Voltage - V R (V) TJ= 125°C Fig. 2 - Typical Peak Reverse Current Vs. Reverse Voltage TJ= 25°C 1000 Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) TJ = 150°C 10 0.1 0.2 TJ = 25°C 100 10 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0 5 10 25 30 35 40 45 1.6 150 140 120 110 100 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 90 80 70 60 50 Square wave (D = 0.50) 80% Rated V R applied 40 see note (2) 0 0.5 1 1.5 2 2.5 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 1.4 DC 130 Average Power Loss - (Watts) Allowable Case Temperature - (°C) 20 Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Maximum Forward Voltage Drop Characteristics 30 15 Reverse Voltage - VR (V) Forward Voltage Drop - V FM (V) 1.2 1 RMSLimit 0.8 DC 0.6 0.4 0.2 0 3 0 Average Forward Current - I F(AV) (A) 0.5 1 1.5 2 2.5 3 Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Average Forward Dissipation Vs. Average Forward Current Fig. 4 - Maximum Average Forward Current Vs. Allowable Lead Temperature Non-Repetitive Surge Current - I FSM (A) 1000 At Any Ra ted Load Condition And With Rated V RRM Applied Following Surge 100 10 100 1000 10000 Square Wave Pulse Duration - t p (mic rosec ) Fig. 6 - Maximum Peak Surge Forward Current Vs. Pulse Duration E-mail: [email protected] 2 of 2 Web Site: www.taychipst.com