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| STR-S6513 OFF-LINE SWITCHING REGULATOR - WITH POWER MOSFET OUTPUT DRAIN 1 OSC. FAULT LATCH Data Sheet 28102.10 SOURCE 2 R COMMON OVER-CURRENT PROTECTION V IN S The STR-S6513 is specifically designed to meet the requirement for increased integration and reliability in off-line flyback converters operating in the quasi-resonant ringing choke mode. The device incorporates the primary control and drive circuit with a discrete avalanche-rated power MOSFET. Crucial system parameters such as maximum ON time and OFF time are fixed during manufacture. Local control circuit decoupling and layout are optimized within the device. Cycle-by-cycle current limiting, soft start, under-voltage lock-out with hysteresis, over-voltage protection, and thermal shutdown protect the device during all normal and overload conditions. Over-voltage protection, thermal shutdown, or an external fault signal are latched. The dual requirements of dielectric isolation and low transient thermal impedance and steady-state thermal resistance are satisfied in an overmolded single-in-line power package. Proven in substantial volumes, this device and its fixed-frequency counterparts represents a significant advance in off-line SMPS reliability growth and integration. A similar off-line switching regulator, with an output rating of 600 V at 6 A, is also available. 3 + FAULT 4 5 UVLO FDBK FAULT-LATCH TRIGGER & SOFT START 6 REF. 7 8 9 Dwg. PK-002-2 ABSOLUTE MAXIMUM RATINGS Supply Voltage, VIN ........................... 35 V Drain-Source Voltage, VDS .............. 400 V Continuous Drain Current, ID ............. 10 A 1 ms Single-Pulse Drain Current, IDM ................................................. 40 A Single-Pulse Avalanche Energy, EA .............................................. 400 mJ Soft-Start/Fault-Latch Trigger Voltage, VSS/FL ............................................. 10 V Feedback Input Current, IFDBK ........ 20 mA Over-Current Protection Voltage, VOCP ............................................. 3.5 V Insulation Voltage,VWM(RMS) ........... 2000 V Package Power Diss., PD ........ See Graph I D C S N O F I T U N D E R P N E UY DL O N O T C E C FEATURES s Quasi-Resonant Ringing Choke Converter s Avalanche-Rated Power MOSFET Switch s Pulse-by-Pulse Current Limiting s Latched Over-Voltage and Thermal Protection s Maximum ON Time and OFF Time Set During Manufacture s Internal Under-Voltage Lockout with Hysteresis s Over-Molded SIP with Integral Isolated Heat Spreader R O R F E R E FET Junction Temperature, TJ ...... +150C Internal Frame Temperature, TF ... +125C Operating Temperature Range, TA ............................... -20C to +125C Storage Temperature Range, Tstg ............................. -40C to +125C -- Always order by complete part number: STR-S6513 . TM STR-S6513 OFF-LINE SWITCHING REGULATOR FUNCTIONAL BLOCK DIAGRAM V IN 5 NO CONNECTION 8 9 UVLO OVER-VOLT. PROTECT R FAULT LATCH S Q 1 2 DRAIN SOURCE REF. 3.3 k TSD OSC. FAULT-LATCH TRIGGER & SOFT START 7 TRIGGER 1 k Rton Rtoff + 0.75 V 4 OVER-CURRENT PROTECTION 6.8 k 1000 pF 0.01 F 3 COMMON 6 FDBK Dwg. FK-002-3 ALLOWABLE PACKAGE POWER DISSIPATION 60 100 MAXIMUM SAFE OPERATING AREA ALLOWABLE PACKAGE POWER DISSIPATION in WATTS 54 W MOUNTING SURFACE TEMPERATURE 30 40 RECOMMENDED MAX. FRAME TEMP. = +100C DRAIN CURRENT in AMPERES LIMITED BY r DS(on) 10 3.0 LIMITED BY FRAME TEMP. = +125C MAX. 20 EH EA T 1.0 NO HEAT SINK NATURAL COOLING TA = +25C SIN K FREE AIR 3.2 W 0 20 60 100 TEMPERATURE in C 140 Dwg. GK-003-2 0.3 0.1 3.0 10 30 100 300 Dwg. GK-004-3 DRAIN-TO-SOURCE VOLTAGE in VOLTS 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright (c) 1994 Allegro MicroSystems, Inc. LIMITED BY V DS max w= 0.1 ms SIN GL t EP w= UL 1m SE sS ING t w= LE 10 PU ms LS E SIN GL EP UL IN SE FIN IT t TM STR-S6513 OFF-LINE SWITCHING REGULATOR 600 ALLOWABLE AVALANCHE ENERGY in mJ 500 SINGLE PULSE DRAIN CURRENT = 5 A SUPPLY VOLTAGE = 50 V ALLOWABLE AVALANCHE ENERGY 400 300 200 100 0 0 20 40 80 120 60 100 STARTING CHANNEL TEMPERATURE in C 140 160 Dwg. GK-009-1 ELECTRICAL CHARACTERISTICS at TA = +25C, VIN = 18 V, voltage measurements are referenced to Common (pin 3) (unless otherwise noted). Characteristic On-State Voltage Under-Voltage Lockout Over-Voltage Threshold FET Leakage Current FET ON Resistance Output Fall Time Maximum ON Time Minimum OFF Time Over-Current Threshold Feedback Threshold Soft-Start Current Fault-Latch Threshold Volt. Fault-Latch Holding Current Fault-Latch Reset Voltage Insulation RMS Voltage Supply Current Thermal Shutdown Thermal Resistance Symbol V INT V INQ VOVP(th) IDSS rDS(on) tf ton toff VOCP(th) V FDBK(th) ISS V FL(th) IINH V INQ VWM(RMS) IIN(ON) IIN(OFF) TJ RJM Test Conditions Turn-on, increasing VIN Turn-off, decreasing VIN VDS = 400 V VGS = 10 V, ID = 5.5 A VDD = 200 V, ID = 5 A, 10% to 90% VDS Limits Min. Typ. Max. 14.4 - 17.6 9.0 - 11 26 - 31 - - 300 - 0.45 0.58 - - 250 18 - 22 0.6 - 1.6 700 - 800 - 750 - -2.2 - -3.4 6.9 - 7.7 - 340 400 6.5 - 8.5 2000 - - 18 - 125 - - - 150 2.0 28 100 - - Units V V V A ns s s mV mV mA V A V V mA A C C/W VSS = 0 V VIN reduced to 8.5 V IIN <20 A, VIN reduced from 31 V All terminals simultaneous reference metal plate against backside Operating Start up, VIN =14 V FET junction to mounting surface NOTES: Negative current is defined as coming out of (sourcing) the specified device terminal. Typical Data is for design information only. STR-S6513 OFF-LINE SWITCHING REGULATOR TYPICAL APPLICATION WARNING: lethal potentials are present. See text. + OUTPUT 5 STR-S6513 8 9 FULL-BRIDGE RECTIFIER AC INPUT 100 V/120 V R 1 + S Q + 2 VOLTAGE SENSE + 7 - OUTPUT 5 + 4 3 + 6 Dwg. EK-002-2 APPLICATIONS INFORMATION WARNING -- These devices are designed to be operated at lethal voltages and energy levels. Circuit designs that embody these components must conform with applicable safety requirements. Precautions must be taken to prevent accidental contact with power-line potentials. Do not connect grounded test equipment. The use of an isolation transformer is recommended during circuit development and breadboarding. The power MOSFET outputs of these devices are similar to the International Rectifier type IRF740. These devices feature an excellent combination of fast switching, ruggedized device design, low on-resistance, and cost effectiveness. Recommended mounting hardware torque: 4.34 - 5.79 lbf*ft (6 - 8 kg*cm or 0.588 - 0.784 Nm). Recommended metal-oxide-filled, alkyl-degenerated oil base, silicone grease: Dow Corning 340, or equivalent 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 TM STR-S6513 OFF-LINE SWITCHING REGULATOR Dimensions in Inches (for reference only) 0.953 0.012 0.610 0.008 T M REF. 0.130 o 0.008 0.216 0.008 0.118 0.906 0.012 0.709 0.008 0.130 0.004 0.276 0.016 0.216 1 0.033 +0.008 -0.004 0.016 7 0.100 0.004 0.026 +0.008 -0.004 0.177 0.028 PACKAGE CENTER LEAD CENTER Dwg. MK-003-91 in NOTE: Exact body and lead configuration at vendor's option within limits shown. STR-S6513 OFF-LINE SWITCHING REGULATOR Dimensions in Millimeters (controlling dimensions) 24.2 0.3 15.5 0.2 3.0 T M REF 0.2 3.3 o 5.5 0.2 23.0 0.3 18.0 0.2 3.3 0.1 7.0 0.4 5.5 1 0.85 +0.2 -0.1 0.4 7 2.54 0.1 0.65 +0.2 -0.1 4.5 0.7 PACKAGE CENTER LEAD CENTER Dwg. MK-003-91 mm NOTE: Exact body and lead configuration at vendor's option within limits shown. The products described here are manufactured in Japan by Sanken Electric Co., Ltd. for sale by Allegro MicroSystems, Inc. Sanken Electric Co., Ltd. and Allegro MicroSystems, Inc. reserve the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the design of their products. The information included herein is believed to be accurate and reliable. However, Sanken Electric Co., Ltd. and Allegro MicroSystems, Inc. assume no responsibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 TM |
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