LINEAR Manuals

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This document introduces the working principle and features of the LTC4412 ideal diode controller. The controller can realize automatic power switching and has the characteristics of low loss, low component count, small package, wide operating voltage range, low static current, auxiliary MOSFET power switch and control input pin.

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This document discusses how to shrink the size of solar panels by increasing performance design. It presents two simple circuits that can increase the energy harvested by a solar panel. The document also introduces the design requirements for a solar battery charger and methods to solve the panel leakage problem.

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The LTC2950 and LTC2951 are a pair of micro power controllers designed for debouncing and controlling the on/off pushbutton of portable devices. They integrate flexible timing circuits for debouncing the pushbutton input and provide a simple yet powerful interface for controlled power up and power down of the handheld device. These two high voltage (2.7V to 26V) parts are offered in space-saving 8-pin 3mm × 2mm DFN and TSOT-8 packages.

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This design note describes the design of LTC4001 switch lithium battery charger. The charger uses synchronous rectification, constant current constant voltage control mode, adjustable charging current, supports multiple battery types, suitable for high power portable devices.

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This document introduces a high voltage buck converter product from Linear Technology, which can drive high power LEDs, with wide PWM dimming ratio and high current output capability.

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This document introduces the LTC4300A-1 bus buffer, which includes capacitance buffering to help devices pass the HDMI DDC input capacitance compliance test with ease. It also includes an enable pin for hardware control of the input-to-output connection and rise time accelerators for fast bus transitions. With an input capacitance of less than 10pF, the LTC4300A-1 allows the HDMI connector interface's capacitance buffering to easily pass the DDC input capacitance test limit, even if the internal capacitance of the channel is substantially higher.

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This design note describes the design principle and functional features of LTC4089 and LTC4089-5. LTC4089 and LTC4089-5 are high-voltage high-current lithium battery chargers, which can be charged from USB and 6V to 36V input voltage.

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This document introduces high resolution video solutions using a single 5V power design. Recent device developments have made it possible to produce high resolution video devices that operate on a single 5V power supply.

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This document introduces the features and applications of LTC4261 Hot Swap™ controller. The controller can monitor current and voltage, and provide overcurrent protection.

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This document discusses the design of low noise amplifiers for small and large area photodiodes. For small area photodiode amplifiers, reducing input current noise and parasitic capacitances is important. For large area photodiode amplifiers, reducing input voltage noise is crucial.

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This document introduces the LTC2449 switch-capacitor ADC. This ADC has high input impedance and wide input range, and it features 1ppm linearity and 200nV input resolution. The document also introduces how to use this ADC to design high-precision measurement systems.

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The LTC4213 is an electronic circuit breaker that eliminates the sense resistor by using the RDS(ON) of the external MOSFET. It features two circuit breaking responses to varying overload conditions with three selectable trip thresholds and a high side drive for an external N-channel MOSFET switch.

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Introduces LTC2928 power controller, can realize multi-channel power sequencing control, control the power on and off, monitor power status, manage faults, generate reset signals, suitable for a variety of power systems

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This document describes a compact dual step-down converter with VOUT tracking and sequencing. The converter is suitable for industrial and automotive applications, providing multiple high current, low voltage power supply solutions.

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The LT3506 and the LT3506A are dual 1.6A step-down monolithic regulators that simplify the lives of system engineers. They eliminate the need for external power switches, thereby reducing solution size and BOM cost. Their outputs can be as low as 0.8V, satisfying the needs of the latest DSPs.

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This document introduces a high voltage capacitor charger from Linear Technology Corporation. The charger operates in boundary mode and features high frequency and low power consumption.

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This document introduces a space-saving triple-output regulator optimized for driving large TFT panel displays. The design is based on the LT3489 and provides 8V/600mA, 23V/10mA, and -8V/20mA outputs from a 3.3V input.

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The LTC3835 is a low-power synchronous step-down controller that extends battery life in automotive applications. Its features include ultralow quiescent current (80µA), wide input voltage range (4V to 36V), constant frequency current-mode architecture, high-side inductor current sensing, adjustable soft-start, external clock synchronization, and CLKOUT pin.

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