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IRIS-A6331 Dataheets PDF



Part Number IRIS-A6331
Manufacturers International Rectifier
Logo International Rectifier
Description INTEGRATED SWITCHER
Datasheet IRIS-A6331 DatasheetIRIS-A6331 Datasheet (PDF)

Data Sheet No. PD 96935A IRIS-A6331 Features • Oscillator is provided on the monolithic control with adopting On-ChipTrimming technology. • Small temperature characteristics variation by adopting a comparator to compensate for temperature on the control part. • Low start-up circuit current (50uA 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.

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Data Sheet No. PD 96935A IRIS-A6331 Features • Oscillator is provided on the monolithic control with adopting On-ChipTrimming technology. • Small temperature characteristics variation by adopting a comparator to compensate for temperature on the control part. • Low start-up circuit current (50uA 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 • Various kinds of protection functions • Pulse-by-pulse Overcurrent Protection (OCP) • Overvoltage Protection with latch mode (OVP) • Thermal Shutdown with latch mode (TSD) INTEGRATED SWITCHER Package Outline 8 Lead PDIP Key Specifications Type IRIS-A6331 MOSFET VDSS(V) 500 RDS(ON) MAX 3.95Ω ACinput(V) 100/120±15% Pout(W) Note 1 10 Note1: The Pout (W) represents the thermal rating at PRC Operation, and the peak power output is obtained by approximately 120 to 140% of the above listed. When the output voltage is low and ON-duty is narrow, the Pout (W) shall become lower than that of above. Descriptions IRIS-A6331 is a hybrid IC consists from power MOSFET and a controller IC, designed for PRC fly-back converter type SMPS (Switching Mode Power Supply) applications, applicable for PRC operation for small power SMPS. This IC realizes 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-A6331 1 2 3 4 8 7 6 5 www.irf.com 1 IRIS-A6331 Absolute Maximum Ratings (Ta=25℃) (Refer Gnd 2 and 5) 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 IDMAX Definition Drain Current *1 Maximum switching current *5 Terminals Max. Ratings 8 3.54 8 3.54 Units A A EAS Vin Vth P D1 P D2 TF Top Tstg Tch Single pulse avalanche energy *2 Input voltage for control part O.C.P/F.B Pin voltage 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 8-1 3-2 4-2 8-1 3-2 - 32 35 6 1.35 0.14 -20 ~ +125 -20 ~ +125 -40 ~ +125 150 mJ V V W W ℃ ℃ ℃ ℃ Note Single Pulse V1-2=0.82V Ta=-20~+125℃ Single Pulse VDD=99V,L=20mH IL=2.1A *6 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 *4 Refer to TF-PD2 curve for Control IC (See.


TP4055 IRIS-A6331 MBR30100FCT


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