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RT8509A Datasheet Step-up DC/dc Converter

Manufacturer: Richtek

Overview: ® RT8509A 4.5A Step-Up DC/DC Converter General.

Datasheet Details

Part number RT8509A
Manufacturer Richtek
File Size 192.48 KB
Description Step-Up DC/DC Converter
Datasheet RT8509A-Richtek.pdf

General Description

The RT8509A is a high performance switching Boost converter that provides a regulated supply voltage for active matrix thin film transistor (TFT) liquid crystal displays (LCDs).

The RT8509A incorporates current mode, fixed-frequency, pulse width modulation (PWM) circuitry with a built in N-MOSFET to achieve high efficiency and fast transient response.

The RT8509A has a wide input voltage range from 2.8V to 14V.

Key Features

  • include adjustable soft-start, over-voltage protection, and over-temperature protection. The RT8509A is available in the WDFN-12L 5x5 package. Marking Information RT8509A GQW YMDNN RT8509AGQW : Product Number YMDNN : Date Code Features.
  • 90% Efficiency.
  • Adjustable Output Up to 24V.
  • 2.8V to 14V Input Supply Voltage.
  • Input Supply Under-Voltage Lockout.
  • Fixed 1.2MHz Switching Frequency.
  • Adjustable Soft-Start.
  • VOUT Over-Voltage Protection.
  • Over-Temperature.

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RT8509A Distributor