STMicroelectronics Voltage Regulator LDL1117S25R 18V 1.2A SOT-223 3-Pin Surface Mount LDL1117S25R

STMicroelectronics LDL1117S25R voltage regulator is designed for efficient power management applications requiring up to 1.2A current. The device accepts input voltages between 2.5V and 18V, making it ideal for various electronic voltage regulation tasks. Packaged in the compact 3-pin SOT-223 surface mount format, it saves board space while delivering reliable output.

This voltage regulator features a typical dropout voltage of 350 mV at maximum current, ensuring stable voltage output with minimal power loss. The high power supply rejection ratio (PSRR) of 87 dB at 120 Hz enhances noise filtering capability in switched-mode power supplies and DC-DC converters.

Robust internal protections include thermal shutdown, current limiting, and power limitation, safeguarding the device and circuit against damage from overloads or overheating. It operates efficiently within a wide temperature range from -40 °C to 125 °C, suitable for industrial and commercial electronics.

Its compact dimensions (6.7 mm length x 3.7 mm width x 1.7 mm height) and surface mount design support high-density circuit board layouts. Maximum input voltage: 18V. Output current capacity: 1.2A. Dropout voltage typical at full load: 350mV.

High PSRR of 87 dB at 120 Hz frequency. Thermal and current protections built-in. Operating temperature range: -40 °C to 125 °C. Package type: SOT-223, 3-pin surface mount.

This device is an excellent choice for power regulation in electronic equipment, including power supplies, industrial controls, and communications equipment. Its wide input voltage range and protective features make it versatile for demanding applications, ensuring reliable operation in harsh environments.

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