Articles by Linear Technology Corp.

Dual-Channel IC: LT3095

LT3095Linear Technology Corp. announces the LT3095, a dual-channel IC delivering two very low noise, low ripple bias supplies from a single input. Each channel incorporates a monolithic step-up DC/DC converter post-regulated by an integrated ultralow noise and high PSRR linear regulator. The LT3095 delivers up to 50 mA of continuous output current at output voltages up to 20 V with total ripple and noise < 100 µVP-P. The device operates from a 3 to 20 V input voltage range.


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Synchronous Step-Down Switching Regulator: LT8631

LT8631Linear Technology Corp. announces the LT8631, a 1 A, 100 V input capable synchronous step-down switching regulator. Synchronous rectification delivers efficiency as high as 90% while Burst Mode® operation keeps quiescent current under 7 µA in no-load standby conditions. Its 3 to 100 V input voltage range makes it ideal for 48 V automotive systems, dual battery transportation, industrial and 36 to 72 V telecom applications.


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High Voltage, Low Noise Dual Output Power Supply: LTC3265

LTC3265Linear Technology Corp. announces the LTC3265, a high voltage, highly integrated, low noise dual output power supply which takes a single positive input supply (VIN_P) and generates low noise bipolar rails up to ±2•VIN_P without any inductors. The device includes a boost doubling charge pump, an inverting charge pump and two low dropout (LDO) regulators. The boost charge pump has a wide 4.5 to 16 V input range.


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Synchronous Boost DC/DC Converter: LTC3121

LTC3121Linear Technology Corp. announces the LTC3121, a 3 MHz current mode, synchronous boost DC/DC converter with integrated output disconnect. Its internal 1.5 A switches deliver output voltages as high as 15 V from an input voltage range of 1.8 V at start-up (0.5 V when running) to 5.5 V, making it ideal for battery or standard 3.3 V and 5 V power sources. The LTC3121 delivers up to 40 0mA of continuous output current at 1 2 V from a 5 V input.


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Multiphase Synchronous Step-Down DC/DC Controller: LTC3877

LTC3877Linear Technology Corp. introduces the LTC3877, a dual output multiphase synchronous step-down DC/DC controller with 6-bit voltage identification (VID) control that enables 10 mV output voltage step resolution, a necessary feature when powering FPGAs and ASICs with tight input voltage requirements. The LTC3877 operates over an input voltage range of 4.5 to 38 V and produces a fixed output voltage from 0.6 to 1.23 V when using VID and up to 5 V without VID.


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Synchronous Step-Down DC/DC Controller: LTC3887-1

Bi-Directional-Amplifiers-SQLinear Technology Corp. announces the LTC3887-1, a dual output synchronous step-down DC/DC controller with I²C-based PMBus interface for digital power system management. The LTC3887-1 differs from the previously released LTC3887 by providing a three-state PWM signal, enabling the use of DrMOS, power blocks or similar power stages. The enhanced feature set includes a 70 ms power-up time and a fast ADC mode that provides an 8 ms update rate for one parameter.


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Synchronous Step-Down DC/DC Controller: LTC3886

LTC3886Linear Technology Corp. announces the LTC3886, a 60 V input dual output synchronous step-down DC/DC controller with programmable loop compensation and I²C-based PMBus interface. This controller employs a constant-frequency, current-mode architecture with programmable output voltage up to 13.8 V. The LTC3886 is ideal for harsh environments requiring a high input voltage range commonly found in factory automation, industrial, medical, communications and more.


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Double-Balanced Mixer: LTC5549

5549_PR_LogoLinear Technology announces the LTC5549, a double-balanced mixer that can operate either as an upconverter or downconverter, with a very wide RF frequency range from 2 to 14 GHz. The LTC5549 offers exceptionally high linearity of 24.4 dBm IIP3 at 9 GHz. The LTC5549 enables efficient microwave transmitter and receiver designs with an integrated LO buffer that needs only a 0 dBm drive level, effectively eliminating an external high power LO amplifier circuit.


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8-Port IO-Link Reference Design Kit: DC2228A / DC2227A

DC2228ALinear Technology Corp. introduces an IO-Link (IEC 61131-9) reference design kit, which includes the DC2228A 8-port IO-Link master and DC2227A IO-Link device reference designs. The DC2228A is a complete 8-port IO-Link master reference design that uses two LTC2874 quad master ICs to implement its IO-Link v1.1 physical interface (PHY). The DC2227A is a complete IO-Link device reference design that uses an LT3669-2 device transceiver IC for communication.


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