IP Phones - Application Notes



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Application Notes

App Note 4253: PWM Intensity Control for the MAX6964 LED Driver
App Note 4232: HFRD-34.0 4x4 DVI KVM Switch
App Note 4163: Telecom Hot-Swap Reference Design Is Immune to Overvoltage and Brownout Input Transients
App Note 4162: Reference Design for a Powered-Device (PD) Module Based on the MAX5941B PWM Controller
App Note 4161: PoE+ Circuit Delivers 13W to 70W for Powered Devices (PDs)
App Note 4152: Reference Design for the MAX5073 Dual Buck Converter Operating at a Switching Frequency of 2MHz
App Note 4125: Getting Started with the MAX1233/MAX1234 Touch-Screen Controllers
App Note 4091: Reference Design for Power-over-Ethernet (PoE) Midspan or Endspan Insertion
App Note 4033: Programmable Fan Controllers
App Note 4021: MAX6956 Programming Guide
App Note 3983: Designing Single-Switch, Resonant-Reset, Forward Converters
App Note 3928: Automotive Linear Regulators Minimize Quiescent Current
App Note 3918: User's Guide for the MAX6877 Power-Supply Tracker/Sequencer
App Note 3912: Low-Cost, Complete Power Solution for Powered Devices Includes a 12V Buck Converter
App Note 3893: High-Frequency Automotive Power Supplies
App Note 3864: The FET-OR Connection for Power Supplies
App Note 3814: Port Expanders for Flip-Cell Phones Save Cost and Space
App Note 3811: Simple Devices for Meeting Voltage Tracking Requirements
App Note 3668: High-Efficiency Current Drive for High-Brightness LEDs
App Note 3665: External Component Calculator for Setting up a Buck or Boost Converter with the MAX5072/MAX5073
App Note 3658: Serializing an HD44780 LCD Display
App Note 3581: MAX5074 5V, 3A Reference Design
App Note 3567: Monitoring and Sequencing Supply Voltages in High-Reliability Systems
App Note 3560: High-Efficiency DC-DC Converter Fits LDO Footprint
App Note 3539: A 50 Watt Internal Bus Architecture (IBA) Power Supply
App Note 3507: IEEE802.3af-Compliant Single-Port, Power-Sourcing-Equipment Application
App Note 3493: System-Management IC Meets Monitoring and Sequencing Requirements in Multivoltage Systems
App Note 3466: GPIO Expander Provides Charge Pump for Blue LEDs
App Note 3456: Programmable System-Management IC Monitors and Sequences Requirements in Complex, Multivoltage Systems
App Note 3430: A Triple-Output ±5% Regulated High Efficiency POE (Power over Ethernet) Supply
App Note 3363: New Ethernet Systems Distribute DC Power with Data
App Note 3315: Writing Parallel-Port 2-Wire Software in C
App Note 3291: Using DS4510/DS4520/DS4550 to Select Backup Flash Memory
App Note 3283: One Button Turns Microprocessor On and Off
App Note 3227: Power-On Reset and Related Supervisory Functions
App Note 2853: Supervisors in Multivoltage Systems
App Note 2852: Using a PC to Experiment with the MAX7300/MAX7301 Port Expanders
App Note 2400: A Compact 36-72V DC Input, 3.3V/10A Output Power Supply
App Note 2391: Dual Voltage Tracking Circuit for I/O, Microprocessor, and DSP Core Voltages
App Note 2199: Driving LEDs with Push-Pull Port Expander Outputs
App Note 2198: Driving LEDs with Open Drain Port Expander Outputs
App Note 2043: A Compact, Isolated Power Supply, 48V to 3.3V at 7A
App Note 1926: Watchdogs Improve System Reliability—How to Choose the Right Part
App Note 1879: Using Maxim SPI-compatible Display Drivers with other SPI Peripherals
App Note 1837: One-Shot Timing Improves Microprocessor Reset Circuit
App Note 1195: Maximize Battery Life and Minimize Replacements
App Note 1136: Switching Between Battery and External Power Sources
App Note 1133: Multiple Voltage Systems Need Supply-Voltage Sequencing
App Note 1062: Designing Compact Telecom Power Supplies
App Note 1043: Single Supply Sequencer Sequences Negative Voltages
App Note 967: How to Minimize Power Dissipation in Li+ Linear Chargers
App Note 1858: Tiny IC Debounces Pushbutton Switch
App Note 819: Isolated Power Supply Is Suitable For Telecom/Datacom Applications
App Note 720: Microprocessor Supervisors Offer Big Insurance in Small Packages