Supertex inc. HV9123 High-Voltage, Current-Mode PWM Controller A unique input circuit allows the HV9123 to self-start directly Features from a high voltage input, and subsequently take the power 10 to 450V input voltage range to operate from one of the outputs of the converter it is <1.3mA supply current controlling, allowing very efficient operation while maintaining >1.0MHz clock input-to-output galvanic isolation limited in voltage only by >20:1 dynamic range 500KHz the insulation system of the associated magnetic assembly. 99% Maximum duty cycle version A 2% internal bandgap reference, internal operational Low internal noise amplifier, very high speed comparator, and output buffer allow production of rugged, high performance, high efficiency power supplies of 50W or more, which can still be over 80% Applications efficient at outputs of 1.0W or less. The wide dynamic range of Off-line high frequency power supplies the controller system allows designs with extremely wide line Universal input power supplies and load variations with much less difficulty and much higher High density power supplies efficiency than usual. The exceptionally wide input voltage Very high efficiency power supplies range also allows better usage of energy stored in input Extra wide load range power supplies dropout capacitors than with other PWM ICs. Remote on/off controls allow either latching or nonlatching remote shutdown. General Description During shutdown, the power required is under 6.0mW. The Supertex HV9123 is a Switch Mode Power Supply (SMPS) controller subsystem that can start and run For detailed circuit and application information, please directly from almost any DC input, from a 12V battery refer to application notes AN-H13, AN-H21 to AN-H24. to a rectified and filtered 240VAC line. It contains all the elements required to build a single-switch converter except for the switch, magnetic assembly, output rectifier(s) and filter(s). Functional Block Diagram OSC OSC FB COMP DISCHARGE IN OUT 15 (19) 8 (10) Error Amplifier OSC 11 (14) To VDD VREF + 2V Modulator 4V Comparator R 5 (6) Q + REF OUTPUT S GEN + Current Limit To 16 (20) 6 (8) Current Comparator Internal BIAS -VIN Sources Circuits 1.2V 7 (9) 4 (5) VDD SENSE V DD 1 (3) Undervoltage +VIN 12 (16) Comparator S SHUTDOWN + 8.1V Q 13 (17) R RESET 8.6V Pre-regulator/Startup Note: Pin numbers in parentheses are for PLCC package. Doc. DSFP-HV9123 Supertex inc. B060412 www.supertex.com + HV9123 Ordering Information Pin Configurations 1 16 1 16 Part Number Package Options Packing HV9123NG-G 16-Lead SOIC 45/Tube 4 HV9123NG-G M934 16-Lead SOIC 2500/Reel HV9123P-G 16-Lead PDIP 24/Tube HV9123PJ-G 20-Lead PLCC* 48/Tube 16-Lead SOIC (NG) 16-Lead PDIP (P) HV9123PJ-G M910 20-Lead PLCC* 1000/Reel 2 1 20 -G Indicates package is RoHS compliant (Green) * Obsolescence notice issued for the product in the 20-Lead PLCC package. 20-Lead PLCC (PJ) Typical Thermal Resistance Package ja Product Marking O 16-Lead SOIC 83 C/W Top Marking O Y = Last Digit of Year Sealed 16-Lead PDIP 51 C/W HV9123NG WW = Week Sealed YWW LLLLLLLL O 20-Lead PLCC 66 C/W L = Lot Number C = Country of Origin* Bottom Marking A = Assembler ID* = Green Packaging CCCCCCCCC AAA Absolute Maximum Ratings *May be part of top marking Parameter Value Package may or may not include the following marks: Si or 16-Lead SOIC (NG) Input voltage, V 450V IN Device supply voltage, V 15.5V Top Marking DD YYWW Y = Last Digit of Year Sealed Logic input voltage -0.3V to V +0.3V DD HV9123P WW = Week Sealed LLLLLLLLLL Linear input voltage -0.3V to V +0.3V L = Lot Number DD C = Country of Origin* Bottom Marking Preregulator input current, I A = Assembler ID* IN 2.5mA (continuous) = Green Packaging CCCCCCCCCCC AAA *May be part of top marking O Operating junction temperature (T ) 150 C J Package may or may not include the following marks: Si or O O Storage temperature -65 C to +150 C 16-Lead PDIP (P) Power dissipation: Top Marking 16-Lead SOIC 900mW YY = Year Sealed YYWW AAA WW = Week Sealed 16-Lead PDIP 1000mW HV9123PJ LLLLLLLLLL L = Lot Number A = Assembler ID 20-Lead PLCC 1400mW Bottom Marking C = Country of Origin* Stresses beyond those listed under Absolute Maximum Ratings may cause = Green Packaging CCCCCCCCCCC permanent damage to the device. These are stress ratings only, and functional *May be part of top marking operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute Package may or may not include the following marks: Si or maximum rating conditions for extended periods may affect device reliability. 20-Lead PLCC (PJ) Doc. DSFP-HV9123 Supertex inc. 2 B060412 www.supertex.com