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DM0565R PDF – Green Mode Power Switch ( FSDM0565R )

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This is an integrated Green Mode Power Switch that combines a fixed-frequency current-mode PWM controller and a high-voltage avalanche-rugged SenseFET into a single package.

Part Number: DM0565R, DMO565R

unction: Green Mode Fairchild Power Switch

Package: TO-220F-6L Type

Manufacturer: Fairchild Semiconductor

Images:

DM0565R datasheet

Description

The DM0565R is an integrated Pulse Width Modulator (PWM) and Sense FET specifically designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components. This device is an integrated high voltage power switching regulator which combine an avalanche rugged Sense FET with a current mode PWM control block. The PWM controller includes integrated fixed frequency oscillator, under voltage lockout, leading edge blanking (LEB), optimized gate driver, internal soft start, temperature compensated precise current sources for a loop compensation and self protection circuitry.

DM0565R switch

A “Green Mode Power Switch” is a type of power switch that incorporates energy-saving features and is designed to achieve high levels of energy efficiency. These switches are commonly used in power supply applications to help reduce power consumption and meet energy efficiency standards.

Green Mode Operation

  • Automatic Burst Mode under light-load conditions
  • Reduces switching losses during standby
  • Standby power consumption below 1 W
  • Designed to satisfy energy-efficiency regulations for offline power supplies
  • Improves overall SMPS efficiency without additional external circuitry

Features

  • Integrated high-voltage SenseFET and PWM controller
  • Green Mode operation for low standby power consumption
  • Built-in avalanche rugged SenseFET
  • Fixed operating frequency: 66 kHz
  • Current-mode PWM control
  • Internal startup circuit
  • Built-in soft-start function
  • Pulse-by-pulse current limiting
  • Abnormal Over Current Protection (AOCP)
  • Over Voltage Protection (OVP)
  • Over Load Protection (OLP)
  • Under Voltage Lockout (UVLO) with hysteresis
  • Thermal Shutdown Protection (TSD)
  • Auto-restart mode after fault conditions
  • Optimized gate driver
  • Leading Edge Blanking (LEB)
  • Internal compensation current sources
  • Low operating current

Pinout

DM0565R pinout

Integrated Functional Blocks

  • High-voltage avalanche rugged SenseFET
  • 66 kHz oscillator
  • Current-mode PWM controller
  • Gate driver
  • Internal startup circuit
  • Soft-start circuit
  • Leading Edge Blanking (LEB)
  • Pulse current limiter
  • Loop compensation current source
  • Burst Mode controller
  • Protection logic

Typical Applications

  • LCD monitor power supplies
  • Set-top box (STB) power supplies
  • AC-DC adapters
  • Battery chargers
  • Offline flyback converters
  • Consumer electronics power supplies
  • Industrial auxiliary power supplies
  • Standby power converters

Alternative / Equivalent Products

  • FSDM0565R
  • FSDM0465R
  • KA5M0565R
  • ICE2A0565
  • TNY277 Series
  • NCP1207 with external MOSFET

Other data sheets are available within the file: FSDM0565R, FSDM07652R

DM0565R PDF Datasheet

AWS5506S14 Datasheet – SPDT Reflective Switch ( PDF )

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Part Number: AWS5506S14

Function: GaAs IC SPDT Reflective Switch Positive Control DC-2.5 GHz

Package: SOT-6 Type

Manufacturer: ANADIGICS

Pinouts:

AWS5506S14 datasheet

 

Description

AWS5506S14 is a Single-Pole Double-Throw (SPDT) RF switch implemented using GaAs MMIC technology, designed for low insertion loss, compact size, and low power consumption. It is widely used in RF signal routing for wireless communication systems, especially in dual-band and multi-mode applications.

Features

  • SPDT (Single Pole Double Throw) RF switch
  • Low insertion loss: ~0.4 dB @ 0.9 GHz
  • Wideband RF performance (suitable for sub-GHz to GHz range)
  • Complementary positive control voltage (0 / +3V to 0 / +5V)
  • Supply voltage: +3V to +5V
  • Low DC power consumption
  • High isolation between ports (typical for GaAs switches)
  • Ultra-miniature SOT-6 package

Functional Description

  • Routes an RF signal from a common port to one of two selectable output ports
  • Control voltage determines signal path (RF1 ↔ RF2 or RF1 ↔ RF3)
  • GaAs FET structure enables low loss and high-frequency operation
  • Designed for minimal signal distortion and high linearity

Control Interface

  • Complementary control inputs allow easy logic interfacing
  • Compatible with standard CMOS/TTL control levels (3V / 5V systems)
  • Low control current requirement

Design Notes

  • Ensure proper 50Ω impedance matching on RF traces
  • Minimize PCB trace length to reduce insertion loss and reflections
  • Use RF layout best practices (ground plane, via stitching)
  • Decouple supply pin with RF-grade capacitors
  • Avoid exceeding maximum RF input power levels

How to Choose This RF Switch

  • Select based on frequency range and insertion loss requirements
  • Ensure isolation meets system-level RF performance targets
  • Verify control voltage compatibility with system logic
  • Consider package size for compact RF module designs

Typical Applications

  • RF signal routing in wireless systems
  • Dual-band / multi-band mobile handsets
  • RF front-end modules (FEM)
  • Switching between filters or amplifiers
  • Frequency synthesizers and signal chains

Alternative / Equivalent Products

  • Skyworks SKY13317 (RF switch alternative)
  • Peregrine PE4259 (higher performance RF switch)
  • HMC series RF switches (Analog Devices)
  • MASW series (MACOM RF switches)

Other data sheets are available within the file: AWS5506

AWS5506S14 Datasheet PDF Download


AWS5506S14 pdf