STMicroelectronics

LD29150PTR  

Linear & Switching Voltage Regulators

The LD29150PTR is a high-efficiency synchronous buck regulator with integrated power MOSFETs, manufactured by STMicroelectronics. It is designed to provide a stable and efficient power supply for a wide range of applications, including portable devices, battery-powered systems, and power-sensitive equipment.

Description:

The LD29150PTR is a compact and efficient step-down (buck) converter that converts a higher input voltage to a lower output voltage. It features an integrated high-side and low-side power MOSFET, which simplifies the design and reduces the number of external components required. The device operates in both continuous and discontinuous conduction mode (DCM), allowing it to work efficiently over a wide range of input and output voltages.

Features:

1. High efficiency: The LD29150PTR offers high efficiency up to 93%, which helps reduce power consumption and heat dissipation in the system.
2. Wide input voltage range: The regulator can accept input voltages from 2.5V to 5.5V, making it suitable for various power sources, including batteries and USB power supplies.
3. Low output voltage: The LD29150PTR can provide an output voltage as low as 0.9V, which is useful for powering low-voltage devices.
4. Synchronous rectification: The integrated high-side and low-side power MOSFETs enable synchronous rectification, improving efficiency and reducing power losses.
5. Small form factor: The device is available in a compact QFN package, which saves space on the printed circuit board (PCB).
6. Programmable soft-start: The LD29150PTR features a programmable soft-start function, which helps prevent inrush current and minimize output voltage overshoot during startup.
7. Over-current protection (OCP): The regulator includes over-current protection to prevent damage to the device and the connected components in case of excessive current draw.
8. Thermal shutdown: The LD29150PTR has a thermal shutdown feature that disables the output in case of overheating, protecting the device and the system.

Applications:

1. Portable devices: The LD29150PTR is ideal for powering portable electronics, such as smartphones, tablets, and wearable devices, due to its high efficiency and low output voltage.
2. Battery-powered systems: The regulator is suitable for use in battery-powered devices, like wireless routers, GPS units, and IoT devices, as it helps extend battery life.
3. Power-sensitive equipment: The LD29150PTR can be used in power-sensitive applications, such as medical devices and industrial control systems, where stable and efficient power supply is crucial.
4. USB-powered devices: The wide input voltage range makes the LD29150PTR suitable for devices that are powered via USB, including USB hubs, chargers, and docking stations.
5. LED lighting: The regulator can be used in LED lighting applications, such as flashlights and portable lamps, to provide a stable and efficient power supply for the LEDs.

LD29150PTR Documents

Download datasheets and manufacturer documentation for LD29150PTR

Datasheets :

LD29150 xx      

PCN Packaging :

Mult Dev Inner Box Chg 9/Dec/2021      

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HTML Datasheet :

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