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The MC34262/MC33262 are active power factor controllers specifically designed for use as a pre-converter in electronic ballast and in off-line power converter applications. These integrated circuits feature an internal startup timer for stand-alone applications, a one quadrant multiplier for near unity power factor, zero current detector to ensure critical conduction operation, transconductance error amplifier, quickstart circuit for enhanced startup, trimmed internal bandgap reference, current sensing comparator, and a totem pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of an overvoltage comparator to eliminate runaway output voltage due to load removal, input undervoltage lockout with hysteresis, cycle-by-cycle current limiting, multiplier output clamp that limits maximum peak switch current, an RS latch for single pulse metering, and a drive output high state clamp for MOSFET gate protection. These devices are available in dual-in-line and surface mount plastic packages.

Current, Startup	0.4 mA
Dimensions	5 x 4 x 1.5 mm
Height	0.059" (1.5mm)
Length	0.196" (5mm)
Mounting Type	Surface Mount
Number of Pins	8
Operating Voltage Range	12 to 28 V
Package Type	SOIC
Temperature, Operating, Maximum	+105 °C
Temperature, Operating, Minimum	-40 °C
Temperature, Operating, Range	-40 to +105 °C
Width	0.157" (4mm)
关键词

Current, Startup 0.4 mA  ON Semiconductor Current, Startup 0.4 mA  Power Factor Controllers Current, Startup 0.4 mA  ON Semiconductor Power Factor Controllers Current, Startup 0.4 mA   Dimensions 5 x 4 x 1.5 mm  ON Semiconductor Dimensions 5 x 4 x 1.5 mm  Power Factor Controllers Dimensions 5 x 4 x 1.5 mm  ON Semiconductor Power Factor Controllers Dimensions 5 x 4 x 1.5 mm   Height 0.059" (1.5mm)  ON Semiconductor Height 0.059" (1.5mm)  Power Factor Controllers Height 0.059" (1.5mm)  ON Semiconductor Power Factor Controllers Height 0.059" (1.5mm)   Length 0.196" (5mm)  ON Semiconductor Length 0.196" (5mm)  Power Factor Controllers Length 0.196" (5mm)  ON Semiconductor Power Factor Controllers Length 0.196" (5mm)   Mounting Type Surface Mount  ON Semiconductor Mounting Type Surface Mount  Power Factor Controllers Mounting Type Surface Mount  ON Semiconductor Power Factor Controllers Mounting Type Surface Mount   Number of Pins 8  ON Semiconductor Number of Pins 8  Power Factor Controllers Number of Pins 8  ON Semiconductor Power Factor Controllers Number of Pins 8   Operating Voltage Range 12 to 28 V  ON Semiconductor Operating Voltage Range 12 to 28 V  Power Factor Controllers Operating Voltage Range 12 to 28 V  ON Semiconductor Power Factor Controllers Operating Voltage Range 12 to 28 V   Package Type SOIC  ON Semiconductor Package Type SOIC  Power Factor Controllers Package Type SOIC  ON Semiconductor Power Factor Controllers Package Type SOIC   Temperature, Operating, Maximum +105 °C  ON Semiconductor Temperature, Operating, Maximum +105 °C  Power Factor Controllers Temperature, Operating, Maximum +105 °C  ON Semiconductor Power Factor Controllers Temperature, Operating, Maximum +105 °C   Temperature, Operating, Minimum -40 °C  ON Semiconductor Temperature, Operating, Minimum -40 °C  Power Factor Controllers Temperature, Operating, Minimum -40 °C  ON Semiconductor Power Factor Controllers Temperature, Operating, Minimum -40 °C   Temperature, Operating, Range -40 to +105 °C  ON Semiconductor Temperature, Operating, Range -40 to +105 °C  Power Factor Controllers Temperature, Operating, Range -40 to +105 °C  ON Semiconductor Power Factor Controllers Temperature, Operating, Range -40 to +105 °C   Width 0.157" (4mm)  ON Semiconductor Width 0.157" (4mm)  Power Factor Controllers Width 0.157" (4mm)  ON Semiconductor Power Factor Controllers Width 0.157" (4mm)