Tag: Step Down
LTC7851 – Quad Output, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
The LTC7851 is a quad output multiphase synchronous step-down DC/DC controller with accurate current sharing between phases and differential output voltage sensing. This controller works in conjunction with external power train devices such as DrMOS and power blocks as well as...
Continue ReadingRail-to-rail step-down regulator sinks/sources ±5A from 0V to 14.5VOUT
LTC3623 is a ±5A high efficiency, current mode synchronous buck regulator that is adjustable from 14.5V down to 0V output with a single resistor. Its architecture uses a 50 µA current reference, combined with a single resistor, to set the output voltage. by Graham Prophet @...
Continue ReadingDual output step-down charge pump operates without inductors
Linear Technology's LTC3256 is a high voltage low noise dual output power supply, which takes a single positive input and generates 5V and 3.3V step-down supplies with high efficiency and no inductors. by Julien Happich @ edn-europe.com The device features a wide 5.5V...
Continue ReadingLTM8003 – 40VIN, 3.5A Step-Down μModule Regulator
LTM8003 is a step-down DC/DC µModule (micro-module) regulator with a 40V input voltage rating (42V abs. Max.) and 3.5A of continuous (6A peak) output current. The LTM8003’s pinout is FMEA (failure mode effects analysis) compliant, so the output voltage stays at or below the...
Continue ReadingLTM8053 – 40VIN, 3.5A/6A Step-Down μModule Regulator
The LTM8053 is a 40VIN, 3.5A (continuous) step-down μModule regulator. Included in the package are the switching controller, power switches, inductor, and all support components. Operating over an input voltage range of 3.4V to 40V, the LTM8053 supports an output voltage range of...
Continue Reading5V Step Down DC-DC Converter
The Tiny Step-Down DC-DC converter project provides 5V 500mA output from supply input up to 25V DC. MC34063A IC is heart of the project from on semiconductor. The MC33063A is a monolithic control circuit containing the primary functions required for DC-DC converters, This device...
Continue ReadingChoose the right step-up/down voltage regulator for portable applications
Reno Rossetti & Inyong Kim discuss about the power needs on portable devices and help us choose the right regulator. A popular power source for portable devices is a single lithium-ion cell with 4.2V at full charge and 2.8V at end of discharge. However, some functions within...
Continue ReadingLTM8064 – 58VIN, 6A CVCC Step-Down μModule Regulator
LTM8064 is a step-down DC/DC µModule (micro-module/power module) regulator with a 6V to 58V (60Vmax) input voltage range and adjustable load current control with ±10% accuracy at 7A. Linear Technology introduces the LTM8064, a step-down DC/DC µModule® (power module) regulator...
Continue Reading