LM1771USDX/NOPB

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LM1771USDX/NOPB is a highly efficient DC-DC controller IC and is categorized as a DC DC Switching Controllers under the PMIC - Voltage Regulators product family. It is designed to allow designers to minimize the size and complexity of their power electronics designs. Ultimately, the effects of that optimization translates into a reduction in cost and footprint, faster time-to-market, lower system power loss and an increase in system efficiency.

The LM1771USDX/NOPB features an adjustable frequency, programmable driver duty cycle, fixed over current protection, and high power conversion efficiency. Additionally, it includes 50V/Microsec output switch slew rate control and 1.5-A peak phase current to handle challenging loads often found in automotive and industrial applications. Moreover, it’s integrated adjust pin allows for scaled correction for various topologies.

The LM1771USDX/NOPB operates with a wide range of input voltages from 3.4 V to 40 V and switches mode frequencies from 200 kHz to 2 MHz. It has several operating modes, including discontinuous and forced continuous conduction mode—allowing for high system flexibility, while maintaining a high conversion efficiency of up to 95%. The device comes in an industry standard 2x2 mm 12-pin QFN thermally enhanced package, which provides superior thermal performance and higher power density.

The LM1771USDX/NOPB is designed to provide highly efficient power conversion solutions over a wide variety of power outputs and banks. It achieves this by having the correct balance between efficiency and power density. The efficiency can reach up to 95%, while the power output capability handles voltage spikes up to 6 V and 5 A at maximum power requirements. Furthermore, it automatically senses an over current and shuts down the conversion in order to protect the load from damage.

The LM1771USDX/NOPB is an integrated power conversion solution which allows designers to build simpler, more efficient power solutions. The adjustable frequency allows for low Switching-On ringing noise and super high conversion efficiency. Additionally, the slew rate control helps in optimizing performance over the temperature range and provides excellent ripple-less transient current. Additionally, programmable PWM contours make it suitable for various switching power applications and its integrated current sense reduces component count.

Overall, the LM1771USDX/NOPB is a highly efficient DC-DC controller IC designed to minimize the complexity of power electronics designs. Its features make it an excellent choice of PMIC - Voltage Regulators - DC DC Switching Controllers applications, providing an extensive range of voltage input (3.4 V to 40 V) and current (1.5 A peak) capabilities, wide operating range, high efficiency, automatic over-current protection, and superior thermal performance in a very compact 2x2mm package.

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