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NJM2375

New Japan Radio
Part Number NJM2375
Manufacturer New Japan Radio
Description POWER FACTOR CONTROLLER
Published May 7, 2005
Detailed Description NJM2375/A POWER FACTOR CONTROLLER ■ GENERAL DESCRIPTION The NJM2375/A are active power factor controllers, which limit...
Datasheet PDF File NJM2375 PDF File

NJM2375
NJM2375

Overview
NJM2375/A POWER FACTOR CONTROLLER ■ GENERAL DESCRIPTION The NJM2375/A are active power factor controllers, which limit the harmonic current resulting from the power supply block of electrical devices.
They include a startup timer, an one quadrant multiplier, a zero current detector to ensure critical condition operation, a transconductance error amplifier, high precision reference, a current sensing comparator, and a totem pole output ideally suited for driving a power MOSFET.
They also contain protection circuits for overvoltage, cycle-by-cycle overcurrent, and maximum peak current.
The startup threshold of NJM2375A is lower than that of NJM2375.
■ FEATURES ● Overvoltage Comparator Eliminates Runaway Output Voltage ● Internal Quick Start ● Internal Startup Timer ● One Quadrant Multiplier ● Zero Current Detector ● High Precision Reference (±2%) ● Totem Pole Output with High State Clamp ● Undervoltage Lockout (Startup Threshold/NJM2375:13V typ.
, NJM2375A:10.
4V typ.
) ● Low Startup and ...


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