Demonstration circuit 1320 is a high power density step-down DC/DC converter featuring the LTC3608EWKG (DC1320A-A) or the LTC3609EWKG (DC1320A-B) high current, high input voltage monolithic DC/DC step-down converter. The input voltage of the DC1320A-A is from 5V to 20V and it provides a jumper-selectable output voltage of 1.5V, 1.8V, 2.5V, or 3.3V @ 8A.

Demonstration circuit 1326A consists of three voltage regulators; a synchronous boost, a synchronous buck and a linear LDO. Jumpers are provided for selecting a total of nine output voltages (3 boost output voltages: 1.8V/3.3V/5V, 3 buck output voltages: 1.2V/1.5V/1.8V, and 3 LDO output voltages: 1.5V/2.85V/3V). The high efficiency DC/DC converters feature 700mA switches for the boost, 250mA for the buck and a 100mA rating for the LDO regulator. With a light load, the boost converter can startup with an input voltage as low as 700mV and once started, the input can go as low as 500mV while maintaining a regulated output. That maximum boost and buck input voltage is 5.5V. The buck converter requires 1.8V minimum input.

Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.

Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.

DC1335B-C: Demo Board for the LTC4269-1 - IEEE 802.3at PD with Synchronous No-Opto Flyback Controller

The LTC?2990 is used to monitor system temperatures, voltages and currents. Through the I2C serial interface, the device can be configured to measure many combinations of internal temperature, remote temperature, remote voltage, remote current and internal VCC. The internal 10ppm/?C reference minimizes the number of supporting components and area required. Selectable address and configurable functionality give the LTC2990 flexibility to be incorporated in various systems needing temperature, voltage or current data. The LTC2990 fits well in systems needing sub-millivolt voltage resolution, 1% current measurement and 1?C temperature accuracyor any combination of the three.Applications Temperature Measurement Supply Voltage Monitoring Current Measurement Remote Data Acquisition Environmental Monitoring

Demonstration circuit 1342B features the LT3758AEMSE in a 300kHz SEPIC converter circuit, designed for a 24V output from a 18V to 72V input. The LT3758A operates over an input range of 5.5V to 100V, and features a novel FBX pin architecture, which allows it to be connected directly to a resistor divider from either a positive output voltage or a negative output voltage.

The LTC3564 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. Supply current during operation is only 20?A, dropping to ?1?A in shutdown. The 2.5V to 5.5V input voltage range makes the LTC3564 ideally suited for single Li-Ion battery-powered or 3.3V to 5V input voltage applications. 100% duty cycle provides low drop- out operation, extending battery life in portable systems. Automatic Burst Mode? operation increases efficiency at light loads, further extending battery runtime. Switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors.The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.6V feedback reference voltage. The LTC3564 is available in low profile (1mm) ThinSOT and 6-Lead (2mm ? 3mm) DFN packages.Applications Cellular Telephones Wireless and DSL Modems Digital Still Cameras Media Players Portable Instruments Point of Load Regulation

Demonstration circuit 1344A is a low quiescent current step-down DC/DC converter featuring the LTC3834 in a 20-pin TSSOP exposed pad package. The DC1344A is programmed to generate a regulated 3.3V@5A output from a 4.5V to 32V input voltage.

Demonstration circuit 1346A is a low quiescent current synchronous step-down DC/DC controller featuring the LTC3834-1 in a 16-pin narrow SSOP package. The DC1346A is generates a regulated 3.3V@5A output from a 4.5V to 32V input voltage.