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IR3624MTRPBF Datasheet(PDF) 1 Page - International Rectifier |
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IR3624MTRPBF Datasheet(HTML) 1 Page - International Rectifier |
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1 / 21 page  IR3624MPBF HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER Description The IR3624 is a PWM controller designed for high performance synchronous Buck DC/DC applications. The IR3624 drives a pair of external N-MOSFETs using a fixed 600kHz switching frequency allowing the use of small external components. The output voltage can be precisely regulated using the internal 0.6V reference voltage for low voltage applications. Protection such as Pre-Bias startup, hiccup current limit and thermal shutdown are provided to give required system level security in the event of fault conditions. Features • Internal 600kHz Oscillator • Operates with Single 5V or 12V Supply • Programmable Over Current Protection • Hiccup Current Limit Using MOSFET R DS(on) sensing • Precision Reference Voltage (0.6V) • Programmable Soft-Start • Pre-Bias Start-up • Thermal Protection • 10-Lead MLPD Package Applications • Embedded Telecom Systems • Distributed Point of Load Power Architectures • Computing Peripheral Voltage Regulator • Graphics Card • General DC/DC Converters Vin U1 Vout PGnd LDrv HDrv Vc Vcc Gnd Comp SS / SD OCSet Fb Fig. 1: Typical application Circuit Data Sheet No.PD94714 revA ORDERING INFORMATION PKG PACKAGE PIN PARTS PARTS T&R DESIG DESCRIPTION COUNT PER TUBE PER REEL ORIANTAION M IR3624MPBF 10 121 ------- M IR3624MTRPBF 10 -------- 3000 Figure A |
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