Last $45.16 USD
Change Today +0.40 / 0.89%
Volume 162.7K
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As of 10:37 AM 09/17/14 All times are local (Market data is delayed by at least 15 minutes).

linear technology corp (LLTC) Snapshot

Open
$44.50
Previous Close
$44.44
Day High
$45.18
Day Low
$44.50
52 Week High
04/4/14 - $51.77
52 Week Low
10/23/13 - $38.28
Market Cap
10.8B
Average Volume 10 Days
1.4M
EPS TTM
$1.90
Shares Outstanding
238.5M
EX-Date
08/13/14
P/E TM
23.8x
Dividend
$1.08
Dividend Yield
2.39%
Current Stock Chart for LINEAR TECHNOLOGY CORP (LLTC)

linear technology corp (LLTC) Related Businessweek News

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linear technology corp (LLTC) Details

Linear Technology Corporation, together with its subsidiaries, designs, manufactures, and markets a line of analog integrated circuits (ICs) worldwide. It produces power management, data conversion, signal conditioning, radio frequency (RF), and interface ICs; µModule subsystems; and wireless sensor network products. The company’s products primarily include amplifiers, high speed amplifiers, voltage regulators and references, interface, data converters, battery stack monitors, silicon oscillators and Timer Blox, phase locked loop synthesizers and clock distribution, SmartMesh wireless sensor network systems, isolated µModule transceivers, RF circuits, power over Ethernet controllers, µModule power products, and signal chain µModule products. It also offers other linear circuits that are used in various applications, including factory automation, process control, industrial and laboratory instrumentation, security monitoring devices, complex medical devices, telecommunications, and networking products; automotive electronics, tablet, notebook, and desktop computers; computer peripherals, video/multimedia, military, space, and other harsh environment systems; and consumer products. The company markets its products primarily through direct sales staff and electronics distributors. Linear Technology Corporation was founded in 1981 and is headquartered in Milpitas, California.

4,661 Employees
Last Reported Date: 08/20/14
Founded in 1981

linear technology corp (LLTC) Top Compensated Officers

Chief Executive Officer and Director
Total Annual Compensation: $524.0K
Co-Founder and Executive Chairman
Total Annual Compensation: $424.2K
Co-Founder, Chief Technical Officer and Vice ...
Total Annual Compensation: $404.8K
Chief Financial Officer, Principal Accounting...
Total Annual Compensation: $428.7K
Vice President and General Manager of D Power...
Total Annual Compensation: $303.7K
Compensation as of Fiscal Year 2013.

linear technology corp (LLTC) Key Developments

Linear Technology Unveils LTM4634 Step-Down µmodule Regulator

Linear Technology Corporation has introduced the LTM4634, a triple output step-down µModule, or micromodule, regulator in a 15mm x 15mm x 5.01mm ball grid array, or BGA, package with integrated heat sink. The thermally efficient package enables the LTM4634 to deliver full current on all three outputs (5A, 5A, and 4A), more than 70W of output power at 65°C ambient with 200LFM airflow. Combined with only 13 ceramic capacitors and three resistors, the LTM4634 solution fits within 4.5cm² on a dual-sided PCB. The LTM4634 includes three DC/DC controllers, power switches, inductors and compensation in a single package. The regulated output voltage for channels 1 and 2 is adjustable between 0.8V to 5.5V, with the third channel from 0.8V to 13.5V, each with ±1.5% accuracy over line, load and temperature. The combination of wide output voltage range, a thermally efficient package, tight regulation accuracy and small solution size makes the LTM4634 well suited to regulate common intermediate power buses such as 12V, 5V and 3.3V in instrumentation, communications and industrial applications. The LTM4634's three switchers operate from an input voltage from 4.75V to 28V. Separate input power pins for each switcher enables channel one and/or channel two to be supplied from a 12.5V, 50W intermediate bus generated from channel three. The three switchers, operating from the same internal or optional external clock signal, are internally phase shifted by 120° to minimize input ripple. For loads in excess of 5A, channels 1 and 2 can be paralleled to support up to 10A. Output overvoltage and over current fault protection are included in the regulator. The LTM4634's internal temperature can be observed via two internal temperature diode monitors located next to the power stages. The LTM4634 is available in the -40°C to +125°C internal operating temperature grade for immediate delivery from stock.

Linear Technology Introduces LTC4231 Hot Swap Controller

Linear Technology Corporation has introduced the LTC4231, an ultralow quiescent current IQ Hot Swap controller, reportedly enabling safe board or battery insertion and extraction from 2.7V to 36V systems. The LTC4231 controls an external N-channel MOSFET to gently power up board capacitors, avoiding sparks, connector damage and system glitches. Device quiescent current is a mere 4 microampere during normal operation, dropping to 0.3A in shutdown mode. To ensure low current operation, the under voltage and overvoltage resistive dividers are connected to a strobed ground, lowering their average current draw by 50x. The LTC4231 provides a compact and rugged micropower solution for hot plugging and battery protection, especially in energy conscious applications utilizing solar power or energy harvesting. The LTC4231 survives and also protects downstream circuitry from reversed batteries up to -40V by controlling back-to-back N-channel MOSFETs. Undervoltage protection cuts off low voltage batteries to prevent deep discharge, while adjustable hysteresis avoids oscillations from battery recovery after load removal. Dual level overcurrent protection is provided by a timed circuit breaker and fast current limit. The 2.7V to 36V operating range accommodates a wide range of battery chemistries including lead-acid, Li-Ion and stacked NiCd. The LTC4231 is available in two options: the LTC4231-1 remains off after an overcurrent fault, whereas the LTC4231-2 automatically attempts to turn on after a 500ms cooldown period. Specified over the 0°C to 70°C commercial and -40°C to 85°C industrial temperature ranges, the LTC4231 is offered in 12-pin MSOP and 3mm x 3mm QFN packages. 1,000-piece pricing starts at $2.25 each. Device samples and evaluation circuit boards are available online or from your local Linear Technology sales office.

Linear Technology Introduces LT8310 Controller

Linear Technology Corporation has introduced the LT8310, a primary-side synchronous forward controller. The LT8310 operates over an input voltage range of 6V to 100V, is targeted for power levels up to 200W and provides a drive signal for secondary-side synchronous rectification to improve efficiency. Output voltage regulation of +/-8% can be attained without the use of an opto-coupler. When an opto-coupler is used, +/-1.5% regulation can be realized. A programmable volt-second clamp provides a safeguard for transformer reset that prevents saturation and protects the MOSFET. This function optimizes the transformer and MOSFET, reducing solution size. The LT8310 computes the duty cycle required to create a constant VOUT in open loop applications, thereby simplifying the design. In closed loop applications, the LT8310 limits maximum VOUT if the opto-coupler path breaks open. Additional features include programmable overcurrent protection, adjustable input undervoltage, overvoltage lockout and built-in thermal shutdown. The LT8310 has a programmable 100kHz to 500kHz operating switching frequency and can be synchronized to an external clock, enabling the use of a wide range of output inductor values and transformer sizes. The LT8310 is available in a TSSOP-20 package with several pins removed for high voltage spacing. The LT8310 E- and I-grade versions operate from a -40°C to 125°C junction temperature. The LT8310 H grade is guaranteed to operate from a -40°C to 150°C operating junction temperature. The LT8310 MP grade is guaranteed to operate from -55°C to 150°C operating junction temperature.

 

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Price/Earnings 23.4x
Price/Sales 7.8x
Price/Book 8.0x
Price/Cash Flow 23.0x
TEV/Sales 6.9x
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