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Evaluation Kits

DC338B-B

Analog Devices Inc.
The LTC1563-2/LTC1563-3 are a family of extremely easy-to-use, active RC lowpass filters with rail-to-rail inputs and outputs and low DC offset suitable for systems with a resolution of up to 16 bits. The LTC1563-2, with a single resistor value, gives a unity-gain Butterworth response. The LTC1563-3, with a single resistor value, gives a unity-gain Bessel response. The proprietary architecture of these parts allows for a simple resistor calculation:R = 10k (256kHz/fC); fC = Cutoff Frequencywhere fC is the desired cutoff frequency. For many applications,this formula is all that is needed to design a filter.By simply utilizing different valued resistors, gain andother responses are achieved.The LTC1563-X features a low power mode, for the lowerfrequency applications, where the supply current is reducedby an order of magnitude and a near zero powershutdown mode.The LTC1563-Xs are available in the narrow SSOP-16package (Same footprint as an SO-8 package).Applications Discrete RC Active Filters and Modules Antialiasing Filters Smoothing or Reconstruction Filters Linear Phase Filtering for Data Communication Phase Locked Loops

LT1762EMS8 Demo Board | Micropower Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, VOUT = 1.22V/2.5V/3V/3.3V/5V/Adjustable @ 150mA

Analog Devices Inc.
Demonstration circuit DC339-A is a low noise micropower voltage regulator using the 150mA output current LT1762 linear regulator in an 8-lead MSOP package. The demo board has an input voltage range from 2.3V to 20V and a jumper-selectable output votlage that can be set to 1.22V, 2.5V, 3.0V, 3.3V, 5V or a user-defined value. The LT1762's low 20µVRMS (10Hz to 100kHz bandwidth) output noise and low 30µA quiescent current make the device ideal for voltage-controlled oscillators, RF power supplies and local regulators in larger systems.

DC342A-A

Analog Devices Inc.
The LTC1911 is a switched capacitor step-down DC/DC converter that produces a 1.5V or 1.8V regulated output from a 2.7V to 5.5V input. The part uses switched capacitor fractional conversion to achieve high efficiency over the entire input range. No inductors are required. Internal circuitry controls the step-down conversion ratio to optimize efficiency as the input voltage and load conditions vary. Typical efficiency is over 25% higher than that of a linear regulator.A unique constant frequency architecture provides a low noise regulated output as well as lower input noise than conventional charge pump regulators. High frequency operation (fOSC = 1.5MHz) simplifies output filtering to further reduce conducted noise. To optimize efficiency,the part enters Burst Mode? operation under light load conditions.Low operating current (180?A with no load, 10?A in shutdown) and low external parts count (two 1?F flying capacitors and two 10?F bypass capacitors) make the LTC1911 ideally suited for space constrained battery powered applications. The part is short-circuit and over temperature protected, and is available in an 8-pin MSOP package.Applications Handheld Computers Cellular Phones Smart Card Readers Portable Electronic Equipment Handheld Medical Instruments Low Power DSP Supplies

DC354A

Analog Devices Inc.
The LT1768 is designed to control single or multiple cold cathode fluorescent lamp (CCFL) displays. A unique Multimode Dimming scheme* combines both linear and PWM control functions to maximize lamp life, efficiency, and dimming range. Accurate maximum and minimum lamp currents can be easily set. The LT1768 can detect and protect against lamp failures and overvoltage start-up conditions. It is designed to provide maximum flexibility with a minimum number of external components.The LT1768 is a current mode PWM controller with a 1.5A MOSFET driver for high power applications. It contains a 350kHz oscillator, 5V reference, and a current sense comparator with a 100mV threshold. It operates from an 8V to 24V input voltage. The LT1768 also has undervoltage lockout, thermal limit, and a shutdown pin that reduces supply current to 65?A. It is available in a small 16-lead SSOP package.Applications Desktop Flat Panel Displays Multiple Lamp Displays Notebook LCD Displays Point of Sale Terminal Displays

LTC3200EMS8 Demo Board | Regulated Charge Pump White LED Driver, 2.7V ≤ VIN ≤ 4.5V, IOUT Drives 6 Parallel LEDs

Analog Devices Inc.
Demonstration Circuit 366A is a low noise constant frequency regulated charge pump featuring the 100mA output current LTC3200. The demo board accepts a 2.7V to 4.5V input voltage and drives six white LEDs in parallel, resulting in 16.6mA per LED. Ballast resistors are employed to provide more uniform light intensity fromr the paralleled LEDs.

DC367A

Analog Devices Inc.
The LT1963 series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to

LTC3714EG | Intel's Notebook Processor Power Supply, 7.5V to 24V Input, 0.6V to 1.75VOUT @ 20A

Analog Devices Inc.
DC371A: Demo Board for the LTC3714 Intel Compatible, Wide Operating Range, Step-Down Controller with Internal Op Amp.

LTC1628CUH Demo Board | Dual Output, 5V to 24VIN, 5VOUT1 @ 4A, 3.3VOUT2 @ 5A

Analog Devices Inc.
Demonstration circuit 392 is a dual output, step-down, synchronous buck converter featuring either the 150kHz to 300kHz LTC1628EUH controller (DC392A-A), the 250kHz to 550kHz LTC3728EUH (DC392A-B) or 250kHz to 550kHz LTC3728LUH (DC392A-C). It operates with an input voltage range of 7V to 24V and provides 3.3V @ 5A and 5V @ 4A at its output.

DC418A

Analog Devices Inc.
The LT1737 is a monolithic switching regulator controller specifically designed for the isolated flyback topology. It drives the gate of an external MOSFET and is generally powered from a DC supply voltage. Output voltage feedback information may be supplied by a variety of methods including a third transformer winding, the primary winding or even direct DC feedback (see Applications Information). Its gate drive capability, coupled with a suitable external MOSFET and other power path components, can deliver load power up to tens of Watts.The LT1737 has a number of features not found on other isolated flyback controller ICs presently available. By utilizing current mode switching techniques, it provides excellent AC and DC line regulation. Its unique control circuitry can maintain regulation well into discontinuous mode in most applications. Optional load compensation circuitry allows for improved load regulation. An optional undervoltage lockout pin halts operation when the application input voltage is too low. An optional external capacitor implements a soft-start function.Applications Isolated Flyback Switching Regulators Medical Instruments Instrumentation Power Supplies

LTC3440EMS Demo Board (MSOP)| 1MHz, Synchronous Buck-Boost, VIN = 2.5V to 5.5V, VOUT = 3.3V @ 0.6A

Analog Devices Inc.
Demonstration Circuit 425B is a constant-frequency synchronous Buck-Boost converter using the LTC3440. The input range is from 2.5V to 5.5V, making it ideal for single-cell lithium-ion or three-cell NiCd/NiMH battery applications. For 2.7V minimum input voltage, this converter can provide up to 600mA load current. The output voltage is set at 3.3V. A different output voltage in the range of 2.5V to 5.5V can be obtained by changing one of the feedback resistors.

LTC3731CG | 3-Phase, VIN = 9V to 14V, VOUT = 2.5V/1.8V @ 60A

Analog Devices Inc.
Demonstration circuit 438 is a triple phase, single output synchronous buck converter featuring the LTC3731CG. This circuit can be used for desktop computers and servers, notebook computers and other high output current DC/DC converters. The output voltage can be configured for either 2.5V or 1.8V and the maximum load current is 60A. The input voltage range of DC438 is 9V to 14V.

LTC3728EUH | 2-Phase Dual Output Power Supply, VIN = 5V - 14V, VOUT1 = 2.5V @ 13A, VOUT2 = 1.8V @ 13A

Analog Devices Inc.
Demonstration circuit 447 is a step-down converter featuring the LTC3728EUH regulator. The PolyPhase® dual output controller LTC3728EUH drives two high current synchronous buck converters. Input is 5V–14V, output 1 is 2.5V with loads up to 13A and output 2 is 1.8V with loads up to 13A. For applications with input voltage less than 5V, DC447 includes a circuit footprint on the bottom side to provide a 5V bias power supply.

LTC3717EGN | DDR, HSTL, STTL Termination Power Supply, 5V-20VIN, VREF/2 @ 12A

Analog Devices Inc.
DC450A: Demo Board for LTC3717 Wide Operating Range, No RSENSE Step-Down Controller for DDR/QDR Memory Termination.

DC469A

Analog Devices Inc.
The LTC3830/LTC3830-1 are high power, high efficiency switching regulator controllers optimized for 3.3V-5V to 1.xV-3.xV step-down applications. A precision internal reference and feedback system provide ?1% output regulation over temperature, load current and line voltage variations. The LTC3830/LTC3830-1 use a synchronous switching architecture with N-channel MOSFETs. Additionally, the chip senses output current through the drain-source resistance of the upper N-channel FET, providing an adjustable current limit without a current sense resistor.The LTC3830/LTC3830-1 operate with an input supply voltage as low as 3V and with a maximum duty cycle of >91% over temperature. They include a fixed frequency PWM oscillator for low output ripple operation. The 200kHz free-running clock frequency can be externally adjusted or synchronized with an external signal from 100kHz to 500kHz. In shutdown mode, the LTC3830 supply current drops to

LTC1760CFW Demo Board | Dual Li-Ion Smart Battery Charger, VIN = 12V to 20V, Charge Current = 4A Max.

Analog Devices Inc.
Demonstration circuit 486B is a dual Smart Battery PowerPath and charger controller featuring the LTC1760. The input voltage is 12 to 20V. The charger output voltage is programmed SMBus serial interface. The maximum charge current is 4A. The demo board has been optimized to work with 2, 3 and 4- Cell Li-ion battery packs. A jumper is provided to select trip for low battery voltage (LOBAT), VLIMIT (VLIM), and ILIMIT (ILIM). The LTC1760 follows the Smart Battery Standards for the Smart Battery System Manager (SBSM) specification.

LTC3406ES5 Demo Board | 2.7V to 5.5VIN, 1.2VOUT @ 600mA(Max)

Analog Devices Inc.
Demonstration circuit DC500 is a constant-frequency step-down converter, using the various versions (fixed output/adjustable output/Burst Mode/Burst Mode defeated) of the LTC3406 or LTC3406B monolithic synchronous buck regulators. The DC500 has an input voltage range of 2.7V to 5.5V, and is capable of delivering up to 600 mA of output current at minimum input voltage of 3V. The DC500A-A features the adjustable output, Burst Mode-capable LTC3406 with the output voltage set to 1.2V.

LTC3703EGN Demo board | High Input Voltage, Step-Down 6A Power Supply, 20 to 72VIN, 12VOUT @ 6A

Analog Devices Inc.
Demonstration circuit 501 is high power, high voltage, and high efficiency DC/DC buck converter featuring the LTC3703. This is a general-purpose high voltage DC to DC with an input voltage range of 20V to 72V. The board is optimized for positive 48V input operation with high voltage surges up to 72VDC allowed. The limiting factor is the LTC3703 GN16 package that will not meet UL/CSA/IEC60950 clearance and creepage distance requirements above the SELV 60VDC maximum due to pin spacing. If the user wishes to support higher continuous input voltages or compliance to 60950, the LTC3703 is offered in a G-28 pin package. See Data Sheet. However, for the purposes of evaluation, the board will work reliably up to 72V. The maximum continuous current in free air is 4A. 6A is permissible with some forced air cooling. The output voltage is programmed with a voltage divider and configured for 12V.

Displaying 7681 - 7700 of 11858

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