Linear Technology (UK) Limited
Linear Technology Corporation, a member of the S&P 500, has been designing, manufacturing and marketing a broad line of high performance analog integrated circuits for major companies worldwide for over three decades.
The Company’s products provide an essential bridge between our analog world and the digital electronics in communications, networking, industrial, automotive, computer, medical, instrumentation, consumer, and military and aerospace systems.
Linear Technology produces power management, data conversion, signal conditioning, RF and interface ICs, µModule subsystems, and wireless sensor network products.
For more information, visit www.linear.com.
Linear Technology (UK) Limited Articles
High power density systems demand high current converters
Steve Knoth, Senior Product Marketing Engineer, Power Products at Linear Technology now part of Analog Devices discusses here how high power density systems demand high current converters. The expanding market for high current, low voltage digital ICs reached $9.2bn in 2016. This group of digital ICs includes microcontrollers and microprocessors (µC & µP), programmable logic devices (PLDs), digital signal processors (DSPs), applic...
Peak efficiency and excellent thermal performance
Analog Devices has announced the Power by Linear LTM4662, a dual 15A or single 30A step-down µModule regulator in a BGA package with an exposed stacked inductor for improved thermal dissipation properties. The remaining components, the MOSFETs, DC/DC controller and supporting components, are over-moulded and the complete device is housed in a 11.25mm x 15mm x 5.74mm BGA package.
Power monitor measures current and voltage accuracy
Analog Devices, which recently acquired Linear Technology, has announced the LTC2992, a wide range I²C system monitor that monitors the current, voltage and power of two 0-100V rails without additional circuitry. The LTC2992 has flexible power supply options, deriving power from a 3-100V monitored supply, a 2.7-100V secondary supply, or from the onboard shunt regulator.
µModule regulator suitable for imaging and RF systems
A 40VIN, 2A µModule step-down regulator in a 6.25x4mm BGA package has been announced by Analog Devices, which recently acquired Linear Technology. The LTM8063's package size is 75% smaller than the existing equivalent product. With two 0805 size capacitors and two 0603 size resistors, the solution is only 70mm2 The Silent Switcher architecture minimises EMI emissions, enabling the LTM8063 to pass the CISPR 22 class B EMC standard.
Synchronous step-down switching regulator offers 94% efficiency
A dual 4A, 42V input synchronous step-down switching regulator has been announced by Analog Devices, which recently acquired Linear Technology. The LT8650S's Silent Switcher2 architecture uses four internal input capacitors as well as two internal BST and a single INTVCC capacitor to minimise the area of the hot loops. Combined with well controlled switching edges and an internal construction using copper pillars in lieu of bond wires a...
25A µModule regulator supports N+1 redundancy
Analog Devices who recently acquired Linear Technology, has announced the LTM4645, a 25A step-down µModule regulator with the ability to current share multiple independent devices (N) where at least one LTM4645 is used as backup (+1) to ensure power availability if one device in this N+1 arrangement detects a fault and must be disconnected.
Dual input prioritiser provides low backup solution
Analog Devices, which recently acquired Linear Technology, has announced the LTC4418, a dual input power prioritiser for 2.5-40V systems. To enable portability, preserve memory during brownouts, and ensure a graceful shutdown on power loss, electronic systems employ batteries and capacitors for backup power.
DC/DC controller provides five topologies at up to 10A output current
Analog Devices, Inc., which recently acquired Linear Technology Corporation, has announced the LT8711, a multitopology current mode PWM controller that can easily be configured as a synchronous buck, boost, SEPIC and ZETA DC/DC converter, or as a nonsynchronous buck-boost converter.
N-Channel MOSFET driver provides 100% duty cycle capability
Analog Devices has announced the LTC7004, a high speed, high side N-channel MOSFET driver that operates up to a 60V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, enabling it to remain on indefinitely. The LTC7004’s powerful 1Ω gate driver can easily drive large gate capacitance MOSFETs with very short transition times and 35ns propagation delays, well suited for both high frequency switch...
Inverting µModule regulator complies with EN55022 Class B
A non-isolated inverting output µModule regulator that can generate –26.5 to –0.5V output from a positive input supply voltage has been announced by Analog Devices, which recently acquired Linear Technology. The LTM4651 operates over a 3.6-58V input voltage range and is housed in a 15x9x5.01mm BGA package. It is a compact solution, providing -5, -12, -15 and -24VOUT from industrial standard 5, 12 or 24VIN supplies.
Mixer supports DC to 6GHz IF & 0dBm LO Drive
Analog Devices, which recently acquired Linear Technology, has announced the LTC5552, a double balanced mixer that features best-in-class wideband matching from 3GHz to 20GHz. The mixer can be used as an up- or downconverter. The LTC5552 is especially useful in upconversion applications with its DC capable differential IF port that enables the LO to be close in frequency to the RF. Its low LO to RF leakage of less than –25dBm greatly eases ...
Silent Switcher 2 Buck Regulator reduces EMI
Analog Devices, which recently acquired Linear Technology, has announced the LTC7150S, a 20V, 20A monolithic synchronous buck converter with differential VOUT remote sensing. The device’s unique phase lockable controlled on-time constant frequency current mode architecture eases compensation and is ideal for high step-down ratio applications that operate at high frequencies while demanding fast transient response.
Buck battery charger provides seamless backup power
A complete lithium-ion battery backup management system for 3.45-4.45V supply rails that must be kept active during a long duration main power failure has been introduced by Analog Devices, which recently acquired Linear Technology. The LTC4091 employs a 36V monolithic buck converter with adaptive output control to provide power to a system load and enable high efficiency battery charging from the buck output.
Regulator delivers 96% efficiency with ultralow EMI/EMC emissions
Analog Devices, which recently acquired Linear Technology, has announced the LTC7103, a 2.3A, 105V input capable synchronous step-down switching regulator. Its wide 4.4V to 105V input voltage range is designed for operation from a continuously high voltage input source or from an input that has high voltage surges, eliminating the need for external surge suppression devices.
Zero-drift op amp consumes 1.3μA on a 1.8V supply
Drawing just 1.3µA typ (2µA max) on a 1.8V supply, Analog Devices, which recently acquired Linear Technology, has announced the LTC2063 zero-drift op amp. This micropower amplifier maintains uncompromised precision: maximum input offset voltage is 5µV at 25°C, maximum drift is 0.06µV/°C from –40 to 125°C. Maximum input bias current is 15pA at 25°C, and 100pA from -40°C to 125°C.
MOSFET driver provides 100% duty cycle capability
Analog Devices, which recently acquired Linear Technology, has announced the LTC7001, a high speed, high side N-channel MOSFET driver that operates up to a 150V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, enabling it to remain on indefinitely. The LTC7001’s powerful 1Ω gate driver can easily drive large gate capacitance MOSFETs with very short transition times and 35ns propagation delay...
Rugged transceiver meets IEC Level 4 ESD standard
An enhanced version of the widely accepted LTC2862 ±60V tolerant RS485/RS422 transceiver that was released several years ago has been announced by Analog Devices, which recently acquired Linear Technology, the LTC2862A. Both of these half-duplex transceivers eliminate field failures without the need of costly external protection devices by protecting practical RS485 systems from installation cross-wiring faults, ground voltage faults or li...
Silent Switcher 2 delivers 93% efficiency at 2MHz
Analog Devices, which recently acquired Linear Technology, has announced the LT8609S, a 2A (3A Peak), 42V input synchronous step-down switching regulator. Its unique Silent Switcher 2 architecture uses two internal input capacitors as well as internal BST and INTVCC capacitors to minimise the area of the hot loops.
72V fixed-ratio DC/DC controller eliminates power inductor
A high power fixed ratio charge pump DC/DC controller that eliminates the power inductor in a non-isolated intermediate bus converter has been released from Analog Devices as the LTC7820, which allows up to a 50% reduction in circuit size and up to 4000W/in3 power density.
Dual 3.5A synchronous buck reduces EMI
Analog Devices, which recently acquired Linear Technology, has announced the LTC7124, a high efficiency, 4MHz synchronous dual output buck regulator that incorporates a constant frequency, peak current mode architecture. Optional spread spectrum frequency modulation is integrated for reducing radiated and conductive EMI noise. The device can deliver up to 3.5A of continuous output current from each channel or generate a 2-phase single output...