Micrel Semiconductor, Inc.
San Jose, CA 95131
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Ethernet ICs target VoIP phones or ATA applications.
Aimed at embedded and industrial Ethernet markets, 2-port Ethernet Switch/Repeater, Model KSZ8842-PMQL, features 3rd port, 32-bit/33 MHz PCI v2.2 host processor interface. Models KZS8841-PMQL, KSZ8841-16MQL, and KSZ8841-32MQL are single-port MAC plus PHY controllers with 32 bit/33 MHz PCI host interface, 8- or 16-bit generic host bus interface, or 32-bit generic host interface, respectively. All...
Read More »PWM Buck Regulator IC exhibits efficiencies above 94%.
Manufactured in 3 x 3 mm MLF(TM)-10L package, 1 MHz MIC2208 employs flexible design capable of providing variety of outputs. External compensation allows use of ultra-small inductor and output capacitor values, while providing low noise operation. Suited for point-of-load applications, IC offers 2.7-5.5 V supply voltage and output current to 3 A. It features 100% max duty cycle, adjustable output...
Read More »Receiver IC ranges from 300-440 MHz.
Housed in SOIC-8 package, QwikRadioÃ-® MICRF010 consumes 2.9 mA at 315 MHz and offers data rates up to 2.0 kbps. Recovery time from shutdown is typically 3 ms. Receiver is aimed at variety of applications in automotive, industrial, and consumer markets.
Read More »Boost Regulator delivers more than 34 V and 90% efficiency.
DC/DC Boost Converter, Model MIC2296 allows for more than 1.2 A of switch current and can step up input voltages from 2.5-10 V to generate output voltage up to 34 V. It offers output over-voltage protection, less than 1% line and load regulation, and 1 Ã-µA shutdown current. Housed in 2 x 2 mm leadless package, chip is suited for driving OLEDs, TFT-LCD displays, and WLED camera flashes.
Read More »Low Dropout Regulators minimize operating current.
Models MIC5311 and MIC5312 are dual output regulators with LowQ(TM) operating current mode. Both ICs feature input voltage of 2.5-5.5 V while supplying up to 300 mA of current from each output. LowQ(TM) Mode offers 7 Ã-µA total quiescent current operation while still supplying up to 10 mA output. Model MIC5312 adds integrated on-board power-on reset supervisor with programmable delay. Units...
Read More »Switching Regulator suits mobile phone applications.
Optimized for RF power amplifiers in 2.5G and 3G CDMA and W-CDMA mobile phones, 2 MHz PWM synchronous Model MIC2224 features 2.7-5.5 V input voltage with DAC-adjustable output from 0.3-3.6 V. By adjusting voltage applied to RF power amplifier, transmit power can be made to match environmental operating conditions. In PWM mode, MIC2224 supplies more than 600 mA of output current through fully...
Read More »Transceiver enables communication between wireless devices.
USB On-The-Go (OTG) transceiver chip MIC2555 enables point-to-point communications between USB-enabled appliances without use of PC. Chip performs as PHY for USB OTG serial interfaces and is compatible with various stand-alone microprocessors, ASICs and COT designs, OTG IP cores, and application-specific standard products. Offered in 4 x 4 mm MLF(TM) packaging, IC is compliant with USB 2.0 and...
Read More »PWM Boost Regulator IC measures 2 x 2 mm.
MIC2295 DC/DC boost converter can step up input voltages from 2.5-10 V to generate output voltage up to 34 V. Features include 1.2A of input switch current, output overvoltage protection, less than 1% line and load regulation, 1 Ã-µA shutdown current, and -40Ã-
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RF Transceiver comes in 5 x 5 mm MLF(TM) package.
MICRF505 RadioWireÃ-® transceiver operates from 850-950 MHz and supports frequency shift keyed modulation at data-rates to 200 kbps. Functions are user-programmable, including frequency synthesizer. Through high integration, external components are limited to few capacitors, one inductor, and one crystal. Unit incorporates frequency error estimator, internal clock recovery circuit, and...
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Hot-Swap Power Controller supports PCI Express requirements.
Model MIC2592A is a 3-rail by dual-slot power controller with SMBus interface, integrating all circuitry for controlling external MOSFETs for +12 and +3.3 V rails. For +3.3 VAUX rails, unit integrates control circuitry, current sense, and power MOSFETs. For all 3 rails, controller offers adjustable overcurrent timeout, electronic circuit-breaker fault protection, input undervoltage lockout,...
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