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MC33368DR2G

  • In Stock: 8418
  • Available: 84481

Reference Price(In US Dollars)

QtyUnit PriceExt.Price
1+US $3.16000US $3.16
10+US $2.84400US $28.44
30+US $2.21200US $66.36
100+US $1.81700US $181.70
500+US $1.73800US $869.00
1000+US $1.58000US $1580.00

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Description

The MC33368 is an active power factor controller that functions as a boost preconverter in off−line power supply applications. MC33368 is optimized for low power, high density power supplies requiring a minimum board area, reduced component count and low power dissipation.
The narrow body SOIC package provides a small footprint. Integration of the high voltage startup saves approximately 0.7 W of power compared to resistor bootstrapped circuits.
The MC33368 features a watchdog timer to initiate output switching, a one quadrant multiplier to force the line current to follow the instantaneous line voltage a zero current detector to ensure critical conduction operation, a transconductance error amplifier, a current sensing comparator, a 5.0 V reference, an undervoltage lockout (UVLO) circuit which monitors the VCC supply voltage and a CMOS driver for driving MOSFETs.
The MC33368 also includes a programmable output switching frequency clamp. Protection features include an output overvoltage comparator to minimize overshoot, a restart delay timer and cycle−by−cycle current limiting.
Features
• Lossless Off−Line Startup
• Output Overvoltage Comparator
• Leading Edge Blanking (LEB) for Noise Immunity
• Watchdog Timer to Initiate Switching
• Restart Delay Timer
• This is a Pb−Free Device
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Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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