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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 LTC is available in a low-profile 0. A frequency adjust pin permits the user to program the frequency between kHz and 1MHz, optimizing datahseet while minimizing external component size and cost offering a very compact HB LED driver or charger solution.

LM136-2.5 PDF Datasheet浏览和下载

Its constant switching frequency of 2. The LTM permits output voltage tracking for sequencing multiple rails in a system. The combination of its thermally enhanced MSOP package and a constant switching frequency up to 3MHz enables the designer to balance printed circuit board solution size with required efficiency.

Additional features include power good voltage monitors, internal compensation, independent soft-start capability for each channel and short-circuit protection. With a VIN range of 4. The LTM features protection functions for overcurrent and overvoltage conditions and the internal temperature of the device can be monitored via an internal temperature sensing diode.

Datasheet archive on 7-11-2013

Internal circuitry automatically selects the conversion ratio 2: The LTC can be programmed with fixed output voltages of 1. Its fixed frequency, current mode architecture offers stable operation over a wide range of supply and output voltages. The LTC is a V input-capable synchronous buck converter that delivers up to mA of continuous output current. Spread spectrum frequency modulation reduces EMI emissions, while an internal PMOS switch driver delivers robust short-circuit protection in boost and buck-boost topologies.

For applications requiring large input-to-output differentials, the LT offers a very compact and thermally effective solution.

Four devices in parallel can deliver 80A of load current. Quiescent current of only 1. The low noise buck-boost topology provides a continuous transition through all of the operating modes, making it ideal for applications that must maintain a constant output voltage, even as the input source voltage transitions through the output voltage.


The combination 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. Other features include a power good indicator, current-mode control, internal compensation thermal shutdown and output disconnect.

It can deliver up to mA of continuous output current from each channel at output voltages as low as 0. The two channels run degrees out of phase, minimizing the size of input capacitance. It operates from an input voltage range of 4. For less demanding dimming requirements, the CTRL pin can be used to offer a For applications that require datzsheet lowest possible noise, the LTC can be configured to run in pulse-skipping mode, reducing noise and potential RF datasheef.

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. This device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage from 2. The LTC version offers eight fixed output voltages from 2. 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 datashedt to personalize a circuit’s performance.

To protect the load, the LTM features output overvoltage and overcurrent protection. Their constant frequency, current-mode architecture minimizes switching vatasheet while offering very fast line and load transient response.

The LTC utilises internal synchronous rectification and a programmable peak current-mode design to optimize efficiency over a broad range of output currents. The LTM converts input supplies ranging from 4. Multiphase operation fatasheet input and output ripple as well as the number of input and output capacitors.


The output voltage can be set with one resistor from 0. It also includes programmable maximum power point control MPPC capability, ensuring maximum power extraction from non-ideal power sources such as photovoltaic cells.

This H-grade version is ideal for automotive, industrial and military applications that are subject to high ambient temperatures. Dataasheet LTC is a high efficiency, 2. Applications include point-of-load conversion from 12V or 5V inputs in telecom, industrial, avionics and test equipment.

The LTC’s unique constant frequency architecture with reduced switching edge rates provides lower conducted and radiated noise compared to conventional switching regulators. 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 combination of its MSOP package with only three tiny externals provides a highly compact solution footprint for a broad range of applications. The constant 1MHz switching frequency ensures low noise and high efficiency, while minimizing the size of the external components. The electrical specifications are identical to the existing Daasheet and I-grade versions of this device. Low operating current 18? All pricing is for 1, piece quantities.

It is housed in a low height eatasheet 4. The LTC is a versatile datzsheet high voltage buck-boost charge pump. The LTC accommodates an input voltage range of 4.

Systems designers value pin compatibility since they can interchange these products without layout changes at any stage from development to production. A with no load, 4? This enables automatic correction of voltage errors caused by droop across PCB traces, which is valuable for powering loads such satasheet FPGAs requiring high currents at low voltages.