LESHAN RADIO COMPANY, LTD. Power MOSFET 750 mAmps, 20 Volts LMGSF1N02LT1 N–Channel SOT–23 These miniature surface mount MOSFETs low RDS(on) assure minimal power loss and conserve energy, making these devices ideal for use in space sensitive power management circuitry. Typical applications are dc–dc converters and power management in portable and battery–powered products such as computers, printers, PCMCIA cards, cellular and cordless telephones. • Low RDS(on) Provides Higher Efficiency and Extends Battery Life • Miniature SOT–23 Surface Mount Package Saves Board Space 3 1 2 SOT-23 N–Channel 3 MAXIMUM RATINGS (TJ = 25°C unless otherwise noted) Rating Symbol Value Unit VDSS 20 Vdc VGS ± 20 Vdc Drain Current – Continuous @ TA = 25°C – Pulsed Drain Current (tp ≤ 10 µs) ID IDM 750 2000 mA Total Power Dissipation @ TA = 25°C PD 400 mW Operating and Storage Temperature Range TJ, Tstg – 55 to 150 °C RθJA 300 °C/W TL 260 °C Drain–to–Source Voltage Gate–to–Source Voltage – Continuous Thermal Resistance – Junction–to–Ambient Maximum Lead Temperature for Soldering Purposes, 1/8″ from case for 10 seconds –– 1 2 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Characteristic Symbol Min Typ Max Unit V(BR)DSS 20 – – Vdc – – – – 1.0 10 – – ±100 OFF CHARACTERISTICS Drain–to–Source Breakdown Voltage (VGS = 0 Vdc, ID = 10 µAdc) Zero Gate Voltage Drain Current (VDS = 20 Vdc, VGS = 0 Vdc) (VDS = 20 Vdc, VGS = 0 Vdc, TJ = 125°C) IDSS Gate–Body Leakage Current (VGS = ± 20 Vdc, VDS = 0 Vdc) IGSS µAdc nAdc DEVICE MARKING LMGSF1N02LT1=N2 LMGSF1N02LT1-1/4 LESHAN RADIO COMPANY, LTD. LMGSF1N02LT1 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Symbol Min Typ Max Unit Gate Threshold Voltage (VDS = VGS, ID = 250 µAdc) VGS(th) 1.0 1.7 2.4 Vdc Static Drain–to–Source On–Resistance (VGS = 10 Vdc, ID = 1.2 Adc) (VGS = 4.5 Vdc, ID = 1.0 Adc) rDS(on) – – 0.075 0.115 0.090 0.130 Characteristic ON CHARACTERISTICS (Note 1.) Ohms DYNAMIC CHARACTERISTICS Input Capacitance (VDS = 5.0 Vdc) Ciss – 125 – Output Capacitance (VDS = 5.0 Vdc) Coss – 120 – Transfer Capacitance (VDG = 5.0 Vdc) Crss – 45 – td(on) – 2.5 – tr – 1.0 – td(off) – 16 – tf – 8.0 – QT – 6000 – pC A pF SWITCHING CHARACTERISTICS (Note 2.) Turn–On Delay Time Rise Time (VDD = 15 Vdc, ID = 1.0 Adc, RL = 50 Ω) Turn–Off Delay Time Fall Time Gate Charge (See Figure 6) ns SOURCE–DRAIN DIODE CHARACTERISTICS IS – – 0.6 Pulsed Current ISM – – 0.75 Forward Voltage (Note 2.) VSD – 0.8 – Continuous Current V 1. Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2%. 2. Switching characteristics are independent of operating junction temperature. TYPICAL ELECTRICAL CHARACTERISTICS 3 VDS = 10 V I D , DRAIN CURRENT (AMPS) I D , DRAIN CURRENT (AMPS) 2.5 2 -55°C 1.5 TJ = 150°C 1 0.5 0 1.5 2 2.5 3.25 V 3.5 V 2 VGS = 3.0 V 1.5 2.75 V 1 2.5 V 0.5 25°C 1 4V 2.5 2.25 V 3 3.5 0 0 1 2 3 4 5 6 7 8 VGS, GATE-TO-SOURCE VOLTAGE (VOLTS) VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS) Figure 1. Transfer Characteristics Figure 2. On–Region Characteristics 9 10 LMGSF1N02LT1-2/4 LESHAN RADIO COMPANY, LTD. 0.2 150°C 0.18 0.16 VGS = 4.5 V 0.14 25°C 0.12 -55°C 0.1 0.08 0.06 0.04 0 0.1 0.3 0.2 0.4 0.5 0.6 0.7 0.8 0.9 1 R DS(on) , DRAIN-TO-SOURCE RESISTANCE (OHMS) R DS(on) , DRAIN-TO-SOURCE RESISTANCE (OHMS) LMGSF1N02LT1 0.14 0.13 150°C 0.12 VGS = 10 V 0.11 0.1 0.09 25°C 0.08 0.07 -55°C 0.06 0.05 0.04 0 0.2 0.4 0.6 ID, DRAIN CURRENT (AMPS) VGS, GATE-TO-SOURCE VOLTAGE (VOLTS) RDS(on) , DRAIN-TO-SOURCE RESISTANCE (NORMALIZED) 1.6 VGS = 10 V ID = 2 A 1.4 1.3 VGS = 4.5 V ID = 1 A 1.2 1.1 1 0.9 0.8 0.7 0.6 -55 -5 45 95 10 8 1.6 1.4 1.8 2 6 4 0 145 ID = 2.0 A 2 0 1000 2000 3000 4000 6000 5000 QT, TOTAL GATE CHARGE (pC) Figure 6. Gate Charge Figure 5. On–Resistance Variation with Temperature 1 1000 TJ = 150°C 0.1 25°C -55°C C, CAPACITANCE (pF) I D , DIODE CURRENT (AMPS) 1.2 VDS = 16 V TJ = 25°C TJ, JUNCTION TEMPERATURE (°C) 0.01 0.001 1 Figure 4. On–Resistance versus Drain Current Figure 3. On–Resistance versus Drain Current 1.5 0.8 ID, DRAIN CURRENT (AMPS) 0 0.2 0.4 0.6 0.8 VSD, DIODE FORWARD VOLTAGE (VOLTS) Figure 7. Body Diode Forward Voltage 1 VGS = 0 V f = 1 MHz TJ = 25°C Ciss 100 Coss Crss 10 0 5 10 15 20 VDS, DRAIN-TO-SOURCE VOLTAGE (Volts) Figure 8. Capacitance LMGSF1N02LT1-3/4 LESHAN RADIO COMPANY, LTD. LMGSF1N02LT1 SOT-23 NOTES: A 1. DIMENSIONING AND TOLERANCING PER ANSI L Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3 1 V 2 B S DIM G A B C D G H J K L S V C D H K J INCHES MIN MAX 0.1102 0.1197 0.0472 0.0551 0.0350 0.0440 0.0150 0.0200 0.0701 0.0807 0.0005 0.0040 0.0034 0.0070 0.0140 0.0285 0.0350 0.0401 0.0830 0.1039 0.0177 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60 PIN 1. BASE 2. EMITTER 3. COLLECTOR 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 inches mm LMGSF1N02LT1-4/4