Data Sheet No. PD 96942A IRIS-F6456S Features INTEGRATED SWITCHER • Oscillator is provided on the monolithic control with adopting On-ChipTrimming technology. Package Outline • Small temperature characteristics variation by adopting a comparator to compensate for temperature on the control part. • Low start-up circuit current (100uA max) • Built-in Active Low-Pass Filter for stabilizing the operation in case of light load • Avalanche energy guaranteed MOSFET with high VDSS • The built-in power MOSFET simplifies the surge absorption circuit since the MOSFET guarantees the avalanche energy. • No VDSS de-rating is required. • Built-in constant voltage drive circuit TO-247 Fullpack (5 Lead) • Built-in soft drive circuit • Built-in low frequency PRC mode (≒20kHz) • Various kinds of protection functions Key Specifications Type MOSFET VDSS(V) RDS(ON) MAX IRIS-F6456S 650 0.71Ω • Pulse-by-pulse Overcurrent Protection (OCP) • Overvoltage Protection with latch mode (OVP) • Thermal Shutdown with latch mode (TSD) Descriptions AC input(V) Pout(W) Note 1 230±15% 300 85 to 264 150 Note 1: The Pout (W) represents the thermal rating at Quasi-Resonant Operation, and the peak power output is obtained by approximately 120 to 140% of the above listed. When the output voltage is low and ONduty is narrow, the Pout (W) shall become lower than that of above. IRIS-F6456S is a hybrid IC consists from power MOSFET and a controller IC, designed for Quasi-Resonant (including low frequency PRC) fly-back converter type SMPS (Switching Mode Power Supply) applications. This IC realizes high efficiency, low noise, downsizing and standardizing of a power supply system reducing external components count and simplifying the circuit designs. (Note). PRC is abbreviation of “Pulse Ratio Control” (On-width control with fixed OFF-time). Typical Connection Diagram IRIS-F6400 GND Vin D S OCP/FB www.irf.com IRIS-F6456S Absolute Maximum Ratings (Ta=25ºC) Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to terminals stated, all currents are defined positive into any lead. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. Symbol IDpeak Definition Drain Current *1 IDMAX Maximum switching current *5 3-2 16 A EAS Vin Vth Single pulse avalanche energy *2 Input voltage for control part O.C.P/F.B Pin voltage 3-2 4-5 1-5 P D1 Power dissipation for MOSFET *3 Power dissipation for control part (Control IC) *4 Internal frame temperature in operation Operating ambient temperature Storage temperature Channel temperature 3-2 521 35 6 58 2.8 mJ V V W W 4-5 0.49 W - -20 ~ +125 -20 ~ +125 -40 ~ +125 150 ℃ ℃ ℃ ℃ P D2 TF Top Tstg Tch Terminals Max. Ratings 3-2 16 Units A Note Single Pulse V2-5=0.78V Ta=-20~+125℃ Single Pulse IL peak=6.4A With infintite heatsink Without heatsink Specified by Vin×Iin Refer to recommended operating temperature *1 Refer to MOS FET A.S.O curve *2 MOS FET Tch-EAS curve *3 Refer to MOS FET Ta-PD1 curve Fig.1 V2-5 *4 Refer to TF-PD2 curve for Control IC (See page 5) *5 Maximum switching current. The maximum switching current is the Drain current determined by the drive voltage of the IC and threshold voltage (Vth) of MOS FET. Therefore, in the event that voltage drop occurs between Pin 2 and Pin 5 due to patterning, the maximum switching current decreases as shown by V2-5 in Fig.1 Accordingly please use this device within the decrease value, referring to the derating curve of the maximum switching current. Recommended operating conditions Time for input of quasi resonant signals For the quasi resonant signal inputted to O.C.P/F.B Pin at the time of quasi resonant operation, the signal shall be wider than Tth(2). Tth(2)≧1.0μsec ＶO.C.P/F.B 0V Vth(2) www.irf.com IRIS-F6456S Electrical Characteristics (for Control IC) Electrical characteristics for control part (Ta=25℃, Vin=18V,unless otherwise specified) Symbol Vin(ON) Vin(OFF) Iin(ON) Iin(OFF) TOFF(MAX) Tth(2) TOFF(MIN) Vth(1) Vth(2) IOCP/FB Vin(OVP) Iin(H) Vin(La.OFF) Tj(TSD) Definition Operation start voltage Operation stop voltage Circuit current in operation Circuit current in non-operation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold voltage 2 O.C.P/F.B Pin extraction current O.V.P operation voltage Latch circuit sustaining current *8 Latch circuit release voltage *8 Thermal shutdown operating temperature MIN 14.4 9 45 Ratings TYP 16 10 - MAX 17.6 11 20 100 55 Units V V mA µA µsec 0.68 1.3 1.2 20.5 6.6 140 0.73 1.45 1.35 22.5 - 1 2 0.78 1.6 1.5 24.5 400 8.4 - µsec µsec V V mA V µA V ℃ Test Conditions Vin=0→17.6V Vin=17.6→9V Vin=14V Vin=0→24.5V Vin=24.5→8.5V Vin=24.5→6.6V *6 Refer to Recommended operating conditions (See page 2) *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit operated O.V.P and T.S.D. Electrical Characteristics (for MOSFET) (Ta=25℃) unless otherwise specified Symbol Definition MIN Ratings TYP MAX Units Test Conditions 650 - - V V5- 2 =0V(short) ID=300µA VDSS Drain-to-Source breakdown voltage VDS =650V IDSS Drain leakage current - - 300 µA - - 0.71 250 Ω nsec V5-2=0V(short) V5-2=10V RDS(ON) On-resistance tf Switching time ID=3.2A Between channel and θch-F Thermal resistance - - 0.85 ℃/W internal frame www.irf.com IRIS-F6456S IRIS-F6456S MOSFET A.S.O. Curve IRIS-F6456S A.S.O. temperature derating coefficient curve Drain current limit by ON resistance 80 D Drain Current ID [A] A.S.O. temperature derating coefficient[%] Single Pulse 100 100 60 40 0 0 20 40 60 80 100 1ms 1 ASO temperature derating shall be made by obtaining ASO Coefficient from the left curve in your use. 0.01 120 1 Internal frame temperature TF [℃] IRIS-F6456S 18.0 0.1ms 10 0.1 20 Ta=25ºC 10 100 1000 Drain-to-Source Voltage VDS [V] IR IS-F6456S A valanche energy derating curve Maximum Switching current derating curve Ta=‐20～+125℃ 100 EAS temperature derating coefficient [%] Maximum Switchng Current IDMAX[A] 16.0 14.0 12.0 10.0 8.0 6.0 4.0 80 60 40 20 2.0 0 0.0 0.70 25 0.80 0.90 1.00 V2-5 [V] 1.10 1.20 50 75 100 125 150 C hannel temperature T ch [℃ ] www.irf.com IRIS-F6456S IRIS-F6456S MOSFET Ta-PD1 Curve IRIS-F6456S MIC TF-PD2 Curve 70 0.6 PD1=58[W] PD2=0.49[W] 0.5 Power dissipation P D2[W] 50 With infinite heatsink 40 30 0.4 0.3 0.2 20 0.1 Without heatsink 10 PD1=2.8[W] 0 0 0 0 20 40 60 80 100 120 140 160 20 40 60 80 100 120 140 160 Internal frame temperature TF[℃] Ambient temperature Ta[℃] IRIS-F6456S Transient thermal resistance curve 10 Transient thermal resistance θch-c[℃/W] Power dissipation P D1[W] 60 1 0.1 0.01 0.001 1µ 10µ 100µ 1m 10m 100m tim e t [sec] www.irf.com IRIS-F6456S Block Diagram 4 Vin START O.V.P. 3 D LATCH DRIVE REG. 2 S T.S.D Vth(1) 1 OCP/FB + O.S.C - Vth(2) + 5 GND Lead Assignments IRIS Pin No. Symbol 1 2 3 4 5 OCP/FB S D Vin GND Description Overcurrent / Feedback Pin Source Pin Drain Pin Power supply Pin Ground Pin Function Input of overcurrent detection signal / constant voltage control signal MOSFET source MOSFET drain Input of power supply for control circuit Ground Other Functions O.V.P. – Overvoltage Protection Circuit OCP/FB S D T.S.D. – Thermal Shutdown Circuit STEP DRV – 2 step drive circuit Vin GND www.irf.com IRIS-F6456S Case Outline 5.5±0.2 3.45±0.2 a b IR (4) 7 ±0.5 IRIS 3.3±0.5 23 ±0.3 5.5±0.2 2 ±0.2 ±0.2 3.3 φ3.2 +0.2 1.35-0.1 +0.2 1.75-0.1 R-end 2-(R1.3) +0.2 4xP2.54±0.1=(10.16) 4.5±0.7 15.6±0.2 0.5 3 R-end 0.65-0.1 +0.2 0.85-0.1 1 2 3.35±0.1 0.5 a：Type Number F6456S b：Lot Number 1st letter：The last digit of year 2nd letter：Month 1 to 9 for Jan. to Sept., O for Oct. N for Nov. D for Dec. 3rd & 4th letter：Day Arabic Numerals 5th letter : Registration Symbol Weight : Approx. 7.5g Dimensions in mm DWG.No.：4B-E01515A 4 5 Material of Pin : Cu Treatment of Pin : Ni plating + solder dip Data and specifications subject to change without notice. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC FAX: (310) 252-7903 Visit us at www.irf.com for sales contact information. www.irf.com