The LM/LM and LM integrated cir- cuits are precision V shunt regulator diodes. These monolithic IC voltage references operate as a. LMN, LMN, LMNV Reference Diode products and disclaimers thereto appears at the end of this data sheet. The LM/LM/LM integrated circuits are precision V shunt regulator diodes. These monolithic IC voltage references operate as a low .

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The dwtasheet of its 2mm x 3mm DFN or MSOP-8 package high switching frequency and tiny, low cost capacitors and inductors ensures a highly compact solution footprint. Its fixed frequency, current mode architecture offers stable operation over a wide range of supply and output voltages.

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It is housed in a low height profile 4. With options for Burst Mode operation for the highest conversion efficiency at light load and pulse-skipping operation for lower output voltage ripple, gives users the option to personalize a datasheef performance. For applications requiring large input-to-output differentials, the LT offers a very compact and thermally effective solution.

Other IC features include low external parts count with ceramic capacitor stability, soft-start circuitry to prevent excessive current flow during startup, plus short circuit and thermal protection. The LTC is a versatile mA high voltage buck-boost charge pump. Internal protection circuitry includes reverse-battery protection, no reverse current, current limiting with foldback, and thermal limiting.

The LTC is available in a low-profile 0.

The combination of its thermally enhanced MSOP package and a constant switching frequency up to 3MHz enables the designer to balance printed circuit board datasheeh size with required efficiency.

Quiescent current of only 1. Four devices in parallel can deliver 80A of load current.

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The LTC’s unique constant frequency architecture with reduced switching edge rates provides lower conducted and radiated noise compared to conventional switching regulators. Applications include point-of-load conversion from 12V or 5V inputs in telecom, industrial, avionics and test equipment.


The constant 1MHz switching frequency ensures low noise and high efficiency, while minimizing the size of the external components. These tiny external capacitors can be used without any necessary series resistance as is common with many other regulators. The LTM features protection functions for overcurrent and overvoltage conditions and the internal temperature of the device can be monitored via dagasheet internal temperature sensing diode.

Its constant switching frequency of 2. It also includes programmable maximum power point control MPPC capability, ensuring maximum power extraction from non-ideal power sources such as photovoltaic cells. The LTC is a high efficiency, 2. Show Tabs Hide Tabs. Internal circuitry automatically selects the conversion ratio 2: The output voltage can be set with one resistor from 0. The LTM permits output voltage tracking for sequencing multiple rails in a system.

Multiphase operation reduces input and output ripple as well as the number of input and output capacitors. It can deliver up to mA of continuous output current from each channel datasehet output voltages as low as 0. Spread spectrum frequency modulation reduces EMI emissions, while an internal PMOS switch driver delivers robust short-circuit protection in boost and buck-boost topologies.

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All pricing is for 1, piece quantities. Additionally it offers current both input and output current limiting and monitoring for added reliability and design flexibility. The LTC is a V input-capable synchronous buck converter that delivers up to mA of continuous output current. Systems designers value pin compatibility since they can interchange these products without layout changes at any stage from development to production.

For less demanding dimming requirements, the CTRL pin can be used to offer a The LTC can be programmed with fixed output voltages of 1. The LTC accommodates an input voltage range of 4. A frequency adjust pin permits the user to program the frequency between kHz and 1MHz, optimizing efficiency while minimizing external component size and cost offering a very compact HB LED driver or charger solution.


The electrical specifications are identical to the existing E- and I-grade versions of this device. Their constant frequency, current-mode architecture minimizes switching noise while offering very fast line and load transient response. Applications include industrial and medical equipment, and networking and telecom systems.

A user-programmable output current limit can set output current from 10mA to mA thereby minimizing the need to oversize external components and protecting high impedance sources.

This H-grade version is ideal for automotive, industrial and military applications that are subject to high ambient temperatures. Low operating current 18?

The LTC is a high efficiency, 17V input capable synchronous buck regulator that delivers up to 1A of continuous output current to outputs as low as 0. Its peak current mode architecture offers excellent line and load transient response. The LTC version offers eight fixed output voltages from 2.

It operates from an input voltage range of 4. This enables automatic correction of voltage errors caused by droop across PCB traces, which is valuable for powering loads such as FPGAs requiring high currents at low voltages. The two channels run degrees out of phase, minimizing the size of input capacitance. Additional features include power good voltage monitors, internal compensation, independent soft-start capability for each channel and short-circuit protection.

To protect the load, the LTM features daatsheet overvoltage and overcurrent protection.

Last modified: February 25, 2020