FM8635 N-Channel PowerTrench MOFET 8 V, 3 A,. mω Features Max r (on) =. mω at V = V, I = 5 A Max r (on) = 3. mω at V = 8 V, I = A Advanced Package and ilicon combination for low r (on) and high efficiency ML robust package design % UIL tested RoH Compliant eneral escription This N-Channel MOFET is produced using ON emiconductor s advanced Power Trench process that has been especially tailored to minimize the on-state resistance and yet maintain superior switching performance. Applications Primary MOFET ynchronous Rectifier Load witch Motor Control witch FM8635 N-Channel PowerTrench MOFET Top Pin Bottom Pin MOFET Maximum Ratings T A = 5 C unless otherwise noted ymbol Parameter Ratings Units V rain to ource Voltage 8 V V ate to ource Voltage ± V rain Current -Continuous T C = 5 C 3 I -Continuous T A = 5 C (Note a) 5 Thermal Characteristics Power 56 -Pulsed (Note ) 3 E A ingle Pulse Avalanche Energy (Note 3) 86 mj Power issipation T P C = 5 C 56 Power issipation T A = 5 C (Note a).7 T J, T T Operating and torage Junction Temperature Range -55 to +5 C A W R θjc Thermal Resistance, Junction to Case.8 R θja Thermal Resistance, Junction to Ambient (Note a) 5 Package Marking and Ordering Information C/W evice Marking evice Package Reel ize Tape Width Quantity FM8635 FM8635 Power 56 3 mm 3 units 3 emiconductor Components Industries, LLC August-7, Rev. Publication Order number: FM8635/
Electrical Characteristics T J = 5 C unless otherwise noted ymbol Parameter Test Conditions Min Typ Max Units Off Characteristics BV rain to ource Breakdown Voltage I = 5 μa, V = V 8 V ΔBV Breakdown Voltage Temperature ΔT J Coefficient I = 5 μa, referenced to 5 C 5 mv/ C I Zero ate Voltage rain Current V = 6 V, V = V μa I ate to ource Leakage Current V = ± V, V = V ± na On Characteristics V (th) ate to ource Threshold Voltage V = V, I = 5 μa.5 3.8.5 V ΔV (th) ΔT J ate to ource Threshold Voltage Temperature Coefficient I = 5 μa, referenced to 5 C - mv/ C V = V, I = 5 A.. r (on) tatic rain to ource On Resistance V = 8 V, I = A.5 3. mω V = V, I = 5 A, T J = 5 C 3. 3.8 g F Forward Transconductance V = 5 V, I = 5 A 7 ynamic Characteristics C iss Input Capacitance 83 68 pf V = V, V = V, C oss Output Capacitance 37 85 pf f = MHz C rss Reverse Transfer Capacitance 3 5 pf R g ate Resistance.. 3 Ω witching Characteristics t d(on) Turn-On elay Time 5 8 ns t r Rise Time V = V, I = 5 A, 3 55 ns t d(off) Turn-Off elay Time V = V, R EN = 6 Ω 65 ns t f Fall Time ns Q g Total ate Charge V = V to V 55 nc Q g Total ate Charge V = V to 8 V V = V, 9 7 nc Q gs ate to ource Charge I = 5 A 6 nc Q gd ate to rain Miller Charge 3 nc rain-ource iode Characteristics I iode Continuous Forward Current T C = 5 C 3 A I, pulse iode Pulse Current T C = 5 C 3 A V ource to rain iode Forward Voltage V = V, I =. A (Note ).7. V = V, I = 5 A (Note ).79.3 V t rr Reverse Recovery Time 63 ns I F = 5 A, di/dt = A/μs Q rr Reverse Recovery Charge 6 nc Notes:. R θja is determined with the device mounted on a in pad oz copper pad on a.5 x.5 in. board of FR- material. R θjc is guaranteed by design while R θca is determined by the user's board design. FM8635 N-Channel PowerTrench MOFET a. 5 C/W when mounted on a in pad of oz copper. b. 5 C/W when mounted on a minimum pad of oz copper. F F F F. Pulse Test: Pulse Width < 3 μs, uty cycle <.%. 3. E A of 86 mj is based on starting T J = 5 C, L = 3 mh, I A = A, V = 8 V, V = V, % test at L =. mh, I A = 7 A.. Pulse Id limited by junction temperature, td <= μs, please refer to OA curve for more details.
Typical Characteristics T J = 5 C unless otherwise noted I, RAIN CURRENT (A) NORMALIZE RAIN TO OURCE ON-REITANCE 3 5 5 5 3 5.8.6....8 Figure. V = V V = 8 V I = 5 A V = V PULE URATION = 8 μs UTY CYCLE =.5% MAX V = 7 V V = 6.5 V V, RAIN TO OURCE VOLTAE (V) V = 6 V NORMALIZE RAIN TO OURCE ON-REITANCE PULE URATION = 8 μs V = V UTY CYCLE =.5% MAX 5 5 5 3 On-Region Characteristics Figure. Normalized On-Resistance vs rain Current and ate Voltage.6-75 -5-5 5 5 75 5 5 T J, JUNCTION TEMPERATURE ( o C) r(on), RAIN TO OURCE ON-REITANCE (mω) 5 3 8 6 V = 6 V V = 6.5 V V = 7 V I, RAIN CURRENT (A) I = 5 A T J = 5 o C V = 8 V PULE URATION = 8 μs UTY CYCLE =.5% MAX T J = 5 o C 5 6 7 8 9 V, ATE TO OURCE VOLTAE (V) FM8635 N-Channel PowerTrench MOFET Figure 3. Normalized On- Resistance vs Junction Temperature Figure. On-Resistance vs ate to ource Voltage I, RAIN CURRENT (A) 3 5 5 5 PULE URATION = 8 μs UTY CYCLE =.5% MAX V = 5 V T J = 5 o C T J = 5 o C T J = -55 o C 3 5 6 7 8 V, ATE TO OURCE VOLTAE (V) Figure 5. Transfer Characteristics I, REVERE RAIN CURRENT (A) 5.. V = V T J = 5 o C T J = 5 o C T J = -55 o C.....6.8.. V, BOY IOE FORWAR VOLTAE (V) Figure 6. ource to rain iode Forward Voltage vs ource Current 3
Typical Characteristics T J = 5 C unless otherwise noted V, ATE TO OURCE VOLTAE (V) IA, AVALANCHE CURRENT (A) 8 6 I = 5 A 6 8 Figure 7. V = 3 V V = V Q g, ATE CHARE (nc) V = 5 V f = MHz V = V C rss. 8 V, RAIN TO OURCE VOLTAE (V) ate Charge Characteristics Figure 8. Capacitance vs rain to ource Voltage T J = 5 o C T J = 5 o C T J = o C.. t AV, TIME IN AVALANCHE (ms) CAPACITANCE (pf) I, RAIN CURRENT (A) 6 8 Limited by Package V = 8 V C iss C oss R θjc =.8 o C/W V = V 5 5 75 5 5 T C, CAE TEMPERATURE ( o C) FM8635 N-Channel PowerTrench MOFET I, RAIN CURRENT (A) Figure 9. Unclamped Inductive witching Capability THI AREA I LIMITE BY r (on) INLE PULE T J = MAX RATE R θjc =.8 o C/W T C = 5 o C CURVE BENT TO MEAURE ATA.. 3 V, RAIN to OURCE VOLTAE (V) Figure. Forward Bias afe Operating Area μs μs ms ms C P(PK), PEAK TRANIENT POWER (W) Figure. Maximum Continuous rain Current vs Case Temperature INLE PULE R θjc =.8 o C/W T C = 5 o C -5 - -3 - - t, PULE WITH (sec) Figure. ingle Pulse Maximum Power issipation
Typical Characteristics T J = 5 C unless otherwise noted r(t), NORMALIZE EFFECTIVE TRANIENT THERMAL REITANCE. UTY CYCLE-ECENIN ORER =.5...5.. INLE PULE uty Cycle, = t / t. -5 - -3 - - t, RECTANULAR PULE URATION (sec) Figure 3. Junction-to-Case Transient Thermal Response Curve P M t t NOTE: Z θjc (t) = r(t) x R θjc R θjc =.8 C/W Peak T J = P M x Z θjc (t) + T C FM8635 N-Channel PowerTrench MOFET 5
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