Semtech Inside Circuit Issue 8
  

Featured Articles

. Simple Structural Improvement in PWM Boost Converter and PWM Controller Solves Malfunctions Caused when VOUT<VIN

. Advances in Short-Range RF Transceivers Drive Link Robustness

. Wireless Data Transmission Module Design Based on Ultra-Low Power Wireless Transceiver

 
  POWER MANAGEMENT
 
. Simple Structural Improvement in PWM Boost Converter and PWM Controller Solves Malfunctions Caused when VOUT<VIN
This article describes how a simple structural improvement in a traditional boost converter and a simple PWM controller allows you to achieve I/O disconnect, eliminating malfunctions when VOUT<VIN.

. EcoSpeed DC-DC Converters Offer Best-in-Class Performance for Dynamic Point-of-Load Applications
The EcoSpeed™ converter platform incorporates Semtech’s advanced, patented adaptive on-time (AOT) control architecture to deliver ultra-fast transient response and very high efficiency across light to full power loads.

. Semtech Expands LED Driver Platform with New High Brightness LED Driver for Rugged, Outdoor-Readable LCD Displays
SC446 3-channel boost LED driver offers up to 100mA per-channel switch current for high-reliability, indoor/outdoor-readable displays.

. Semtech Expands Buck Converter Platform with 3.5MHz, 500mA Synchronous Device with Tiny Footprint and 15 Digitally Controlled Output Voltages
SC195 comes in 1.5 x 1.5mm package with only three external components for <15mm2 total solution size.
 
 
  CIRCUIT PROTECTION
 
. New Design Guide – Circuit Protection for Telecom Interfaces
Semtech offers advanced circuit protection solutions for telecommunications systems, including 3G base stations, GPON and EPON systems, enterprise routers, switches, DSLAM equipment, digital surveillance cameras, VoIP telephony and more.

. Semtech Expands 2.5V RailClamp® Platform With Low-Clamping Protection Array, Targeting Fast-Growing Ethernet Market
RClamp2502L is the first 2.5V device in SO-8 Package to provide ESD, CDE and lightning protection
 
 
 TOUCH INTERFACE
 
. Semtech Debuts World’s Lowest Power, Fully Integrated Capacitive Touch Sensor IC Platform
The 8- and 12-channel SX864x platform of capacitive sensing ICs with integrated LED drivers support a wide range of button, slider and touch wheel capacitive sensor designs that are increasingly found in white goods, mobile phones, media players, notebooks/netbooks and other consumer electronics.

. Semtech Expands Ultra-Low Power, Resistive Touchscreen Controller Platform with 5-Wire, SPI Interface Device
The SX8652 is one of a new generation of touchscreen controllers that are optimized for low-power consumption, (23µA), small size (1.46mm x 1.96mm chip-scale package), and high electrostatic discharge (ESD) protection (±15kV).
 
 
 IO EXPANDERS
 
. Semtech Introduces Next-Generation, Low Voltage Level Shifting I/O Expander Platform with an Advanced LED Driver and Keypad Engine
With an operating voltage range from 1.5V to 3.6V, Semtech SX1508/SX1509 devices connect easily to today's low core voltage chipsets in handheld applications and eliminate the need for extra level-translating circuits.
 
 
 SENSORS AND SIGNAL CONDITIONERS
 
. Semtech Expands Temperature Sensor and Monitor Platform to Address More Complex Systems
SX8743 digital temperature sensor can monitor up to three temperature diodes and its own temperature to support energy-saving sleep modes in complex systems with improved reliability

. Semtech Adds Ultra-Miniature Temperature Sensor and Monitor to Sensing Platform to Boost Equipment Reliability and Energy Savings
Highly integrated SX8733 digital temperature sensor monitors up to two temperature diodes and its own temperature; its low-power design enables temperature monitoring of ASICs during sleep mode.
 
 
 WIRELESS & RF
 
. Advances in Short-Range RF Transceivers Drive Link Robustness
When designing real-world short-range RF applications in an increasingly crowded RF Spectrum, it is more important than ever to understand your receiver architecture. This article shows you what to look for.

. Wireless Data Transmission Module Design Based on Ultra-Low Power Wireless Transceiver
This article shows how to use the Semtech SX1212 ultra-low power wireless transceiver in short-haul bidirectional wireless data communications under ISM frequency ranges.

. Semtech and Virtual Extension Team to Bring New Generation of Wireless Mesh Networks to Smart Lighting Applications
Chipset pairs SX1211 ISM transceiver from Semtech with VE209S mesh controller from Virtual Extension to offer a low-power, high-performance solution.
 
 
 DISCRETE SEMICONDUCTORS
 
. Semtech Launches New Platform of Silicon Voltage Regulators for Military Applications
Semtech gains MIL-PRF-19500/356 qualification of 37 new 5W Zener diode parts.

. Semtech Qualifies JANS TVS Platform for Aerospace and Satellite Applications
Defense Supply Center Columbus Certifies Semtech Protection Products to MIL-PRF-19500N
 
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