RT8202AGQW (DJ=DC 13Z)

The RT8202/A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers.

SKU: SLY-IC270 Category:
Description

Product Description

  • The RT8202/A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers.
  • The constant on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency.
  • The RT8202/A/B achieves high efficiency at a reduced cost by eliminating the current sense resistor found in traditional current mode PWMs. Efficiency is further enhanced by its ability to drive very large synchronous rectifier MOSFETs.
  • The buck conversion allows this device to directly step down high voltage batteries for the highest possible efficiency.
  • The RT8202/A/B is intended for CPU core, chipset, DRAM, or other low voltage supplies as low RT8202 is available RT8202A is available WQFN-16L 3×3 and RT8202B is available WQFN-14L 3.5×3.5 packages.

Features:

  • Ultra-High Efficiency Resistor Programmable Current Limit by Low Side RDS(ON) Sense (Lossless Limit) or Sense Resistor (High Accuracy) Quick Load Step Response within 100ns 1% VOUT Accuracy over Line and Load Adjustable to 3.3V Output Range to 26V Battery Input Range Resistor Programmable Frequency Over/Under Voltage Protection 2 Steps Current Limit During Soft-Start Drives Large Synchronous-Rectifier FETs Power Good Indicator RoHS Compliant and 100% Lead (Pb)-Free

Applications:

  • Notebook Computers CPU Core Supply Chipset/RAM Supply as Low as 0.75V
  • RT8202/A/B Package Type WQFN-16L 4×4 (W-Type) WQFN-16L 3×3 (W-Type) WQFN-14L 3.5×3.5 (W-Type) (RT8202B) Lead Plating System : Pb Free G : Green (Halogen Free and Pb Free)
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