Freescale AO7400/ MC7400 N-Channel 20V (D-S) MOSFET These miniature surface mount MOSFETs utilize a high cell density trench process to provide low rDS(on) and to ensure minimal power loss and heat dissipation. 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. • • • • PRODUCT SUMMARY VDS (V) rDS(on) (Ω) 0.058 @ VGS = 4.5 V 20 0.082 @ VGS = 2.5V Low rDS(on) provides higher efficiency and extends battery life Low thermal impedance copper leadframe SC70-3 saves board space Fast switching speed High performance trench technology ID (A) 2.0 1.7 G D S o ABSOLUTE MAXIMUM RATINGS (TA = 25 C UNLESS OTHERWISE NOTED) Symbol Maximum Units Parameter Drain-Source Voltage 20 VDS V Gate-Source Voltage VGS ±8 o TA=25 C a Continuous Drain Current o TA=70 C b Pulsed Drain Current a Continuous Source Current (Diode Conduction) TA=25 C a o ±20 IS 1.6 TA=70 C Operating Junction and Storage Temperature Range THERMAL RESISTANCE RATINGS Parameter a Maximum Junction-to-Ambient PD A 1.7 IDM o Power Dissipation 2.0 ID A 0.34 W 0.22 o C TJ, Tstg -55 to 150 Symbol Maximum Units t <= 5 sec Steady-State RTHJA 100 166 o C/W Notes a. Surface Mounted on 1” x 1” FR4 Board. b. Pulse width limited by maximum junction temperature 1 www.freescale.net.cn Freescale AO7400/ MC7400 SPECIFICATIONS (T A = 25oC UNLESS OTHERWISE NOTED) Parameter Symbol Test Conditions VGS(th) IGSS VDS = VGS, ID = 250 uA Min Limits Unit Typ Max Static Gate-Threshold Voltage Gate-Body Leakage Zero Gate Voltage Drain Current On-State Drain Current A IDSS ID(on) A Drain-Source On-Resistance A Forward Tranconductance Diode Forward Voltage rDS(on) gfs VSD 0.7 VDS = 0 V, VGS = ±8 V ±100 VDS = 16 V, VGS = 0 V 1 10 o VDS = 16 V, VGS = 0 V, TJ = 55 C VDS = 5 V, VGS = 4.5 V VGS = 4.5 V, ID = 2.0 A VGS = 2.5 V, ID = 1.7 A VDS = 10 V, ID = 2.0 A IS = 1.6 A, VGS = 0 V 10 V nA uA A 58 82 11.3 0.75 mΩ S V Dynamicb Total Gate Charge Gate-Source Charge Gate-Drain Charge Input Capacitance Output Capacitance Reverse Transfer Capacitance Turn-On Delay Time Rise Time Turn-Off Delay Time Fall-Time Qg Qgs Qgd Ciss Coss Crss td(on) tr td(off) tf VDS = 10 V, VGS = 4.5 V, ID = 2.0 A VDS = 15 V, VGS = 0 V, f = 1MHz VDD = 10 V, RL = 15 Ω, ID = 1 A, VGEN = 4.5 V 7.5 0.6 1.0 720 165 60 8 24 35 10 nC pF ns Notes a. Pulse test: PW <= 300us duty cycle <= 2%. b. Guaranteed by design, not subject to production testing. FREESCALE reserves the right to make changes without further notic e to any products herein. Freescale makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor doesfreescale assume any liability arising ou t of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided infreescale data sheet s and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. freescale does not convey any license under its patent rights nor the rights of others. freescaleproducts are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the freescale product could create a situation where personal injury or death may occur. Should Buyer purchase or use freescale products for any such uninte nded or unauthorized application, Buyer shall indemnify and hold freescale and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that freescale was negligent regarding the design or m anufacture of the part. freescale is an Equal Opportunity/Affirmative Action Employer. 2 www.freescale.net.cn Freescale AO7400/ MC7400 Typical Electrical Characteristics (N-Channel) 40 30 5.0V 20 4.0V 10 3.0V 2 3 4 125oC 20 15 10 5 0 1 25oC 25 ID, DRAIN CURRENT (A) I D , D R A IN C U R R E N T ( A 6.0V 30 0 TA = -55oC VDS = 5V VGS = 10V 0 5 0.5 VDS, DRAIN-SOURCE VOLTAGE (V) 1.5 2.5 3.5 4.5 VGS, GATE TO SOURCE VOLTAGE (V) Figure 1. On-Region Characteristics Figure 2. Body Diode Forward Voltage Variation with Source Current and Temperature 700 VGS = 2.5 f = 1MHz VGS = 0 V 600 C A P A C IT A N C E ( p F R D S ( O N ) , N O R M A L IZ E D D R A IN - S O U R C E O N - R E S IS T A N C 3 2 4.5V 1.5 10V 1 CISS 500 400 300 200 COSS 100 CRSS 0 0.5 0 5 10 15 20 25 0 30 5 10 Figure 3. On Resistance Vs Vgs Voltage 1.6 ID = 5.3A 15V 25 30 VGS = 10V ID = 7A 1.4 Normalized RDS(on) Vgs Voltage ( V ) 20 Figure 4. Capacitance Characteristics 10 8 15 VDS, DRAIN TO SOURCE VOLTAGE (V) ID, DRAIN CURRENT (A) 6 4 2 1.2 1.0 0.8 0 0 1 2 3 4 0.6 5 -50 Qg, Gate Charge (nC) -25 0 25 50 75 100 125 150 TJ Juncation Temperature (ºC) Figure 5. Gate Charge Characteristics Figure 6. On-Resistance Variation with Temperature 3 www.freescale.net.cn Freescale AO7400/ MC7400 Typical Electrical Characteristics (N-Channel) 0.1 ID = 5.3A VGS = 0V 10 0.08 RDS(ON), ON-RESISTANCE(OHM) IS, REVERSE DRAIN CURRENT (A) 100 o 1 TA = 125 C o 25 C 0.1 0.01 0.06 0.04 TA = 25oC 0.02 0.001 0.0001 0 0 0.2 0.4 0.6 0.8 1 1.2 2 1.4 4 6 8 10 V GS, GATE TO SOURCE VOLTAGE (V) VSD, BODY DIODE FORWARD VOLTAGE (V) Figure 7. Transfer Characteristics Figure 8. On-Resistance with Gate to Source Voltage 50 VDS = VGS ID = 250mA 2 P(pk), PEAK TRANSIENT POWER (W) -Vth, GATE-SOURCE THRESTHOLD VOLTAGE (V) 2.2 1.8 1.6 1.4 1.2 1 -50 -25 0 25 50 75 100 125 150 175 SINGLE PULSE RθJA = 125oC/W TA = 25oC 40 30 20 10 0 0.001 0.01 0.1 1 t1, TIME (SEC) 10 100 o TA, AMBIENT TEMPERATURE ( C) Figure 9. Vth Gate to Source Voltage Vs Temperature Figure 10. Single Pulse Maximum Power Dissipation Normalized Thermal Transient Junction to Ambient 1 D = 0.5 0.2 0.1 0.1 Rq J A (t) = r(t) + Rq J A Rq J A = 1 2 5 o C/W 0.0 P(p k) 0.02 0.01 t1 t2 0.01 TJ - TA = P * Rq J A(t ) Duty Cycle, D = t1 / t2 S INGLE P ULS E 0.001 0.0001 0.001 0.01 0.1 t1, TIM E (s e c ) 1 10 100 1000 Figure 11. Transient Thermal Response Curve 4 www.freescale.net.cn