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IC / W83321G / SOP-8 /

تولید کننده: Winbond
مدل کالا: SOP-8
موجودی:
تماس 8893- 6186
قیمت: 0تومان

W83321G

N-Channel FET Synchronous Buck Regulator Controller
The W83321G is a high-speed, N-Channel synchr onous
buck regulator controller. The W83321G employs
fixed-frequency voltage-mode PWM
control architecture. Both high-side and low-side ( W83321G )
MOSFETs are lower cost N-Channel type. The regulator is biased
from a 5V rail and the power for the high-side MOSFET
( W83321G ) can be supplied by a separate12V rail or
( W83321G ) supplied from a local charge pump.Current
limit is achieved by monitoring the voltage drop ( W83321G )
across the on resistance of the low-side MOSFET. This
method eliminates the requirement of
extra current sensing resistor and avoids ( W83321G ) false
trigger of OC protection when VIN varies. ( W83321G ) The
adaptive non-overlapping
MOSFET gate drivers help avoid potential shoot-through
problems while maintaining high efficiency.
 
FEATURES
Operates ( W83321G ) from +5V Input
 
0.8V to VIN Output Range
0.8V Internal Reference

    ±1.5%Over Line Voltage and Temperature

Drives N-Channel ( W83321G ) MOSFETs

Uses Lower MOSFET’s Rds (on)

250kHz Fixed ( W83321G ) Frequency Oscillator

 

APPLICATIONS

Motherboard Power ( W83321G ) Supplies Regulation

Subsystem ( W83321G ) Power Supplies

Cable Modems, Set Top Boxes, and DSL ( W83321G ) Modems

DSP ( W83321G ) and Core Communications Processor Supplies

Memory ( W83321G ) Power Supplies

Personal Computer ( W83321G ) Peripherals

Industrial ( W83321G ) Power Supplies

5V-Input ( W83321G ) DC-DC Regulators

Low-Voltage Distributed ( W83321G ) Power Supplies

 

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