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ANPEC APW8822CQBI-TRG APW8822C 8822C System Power PWM Controller
ITEM DESCRIPTION

Please note fitting require good skills and equipment.

Item is not refundable if been used, please check chip before fitting.

The APW8822/A/B/C integrates dual step-down, constant-on-time, synchronous PWM controllers (that drives dual N-channel MOSFETs for each channel) and two low drop-out regulators as well as various protections into a chip. The PWM controllers step down high voltage of a battery to generate low-voltage for NB applications. The output of PWM1 and PWM2 can be adjusted from 2V to 5.5V by setting a resistive voltage-divider from VOUTx to GND. The linear regulators provide 5V and 3.3V output for standby power supply. The linear regulators provide up to 100mA output current. When the PWMx output voltage is higher than LDOx bypass threshold, the related LDOx regulator is shut off and its output is connected to VOUTx by  internal  switchover  MOSFET.  It  can  save  power dissipation. The charge pump circuit with 270kHz clock driver uses VOUT1 as its power supply to generate approximately 15V DC voltage.

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