RT8205LGQW (EM=EL P0E)

RT8205LGQW (EM=EL P0E) High Efficiency, Main Power Supply Controller for Notebook Computer:

  • Wide Input Voltage Range : 6V to 25V
  • Dual Adjustable Outputs from 2V to 5.5V
SKU: SLY-IC285 Category:
Description

Product Description

Description:
  • The RT8205L/M is a dual step-down, switch mode power supply controller generating logic-supply voltages in battery powered systems. It includes two Pulse-Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each linear regulator provides up to 100mA output current with automatic linear regulator bootstrapping to the PWM outputs. An optional external charge pump can be monitored through SECFB (RT8205M).
  • The RT8205L/M includes on-board power up sequencing, a power good output, internal soft-start, and internal soft-discharge output that prevents negative voltage during shutdown.
  • TECHNICAL SHEET: https://pdf1.alldatasheet.com/datasheet-pdf/view/475850/RICHTEK/RT8205LGQW.html
Features:
  • Constant On-time Control with 100ns Load Step Response
  • Wide Input Voltage Range : 6V to 25V
  • Dual Adjustable Outputs from 2V to 5.5V
  • Secondary Feedback Input Maintains Charge Pump Voltage (RT8205M)
  • Fixed 3.3V and 5V LDO Output : 100mA
  • 2V Reference Voltage
  • Frequency Selectable via TONSEL Setting
  • 4700ppm/°C RDS (ON) Current Sensing
  • Programmable Current Limit Combined with Enable Control
Applications:
  • Notebook and Sub-Notebook Computers
  • 3-Cell and 4-Cell Li+ Battery-Powered Devices
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