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STMicroelectronics Buck Converter Surface Mount, 3.5V Output Voltage, 300μA Output Current, 2.25W Power L5973AD
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Power | 2.25W |
| Efficiency | 90% |
| Length | 5mm |
| Model | L5973AD |
| Depth | 1.7mm |
| Width | 4mm |
| Mount Type | Surface |
| Series | L5973AD |
| Output Current | 300μA |
| Maximum Operating Temperature | 150°C |
| Package Type | HSOP |
| Load Regulation | 15 mV |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 36V |
| Line Regulation | 10 mV |
| Minimum Input Voltage | 4V |
| Number of Pins | 8 |
| Output Voltage 1 | 3.5V |
| Output Voltage 2 | 0.4V |
Key Features
- This converter operates with input voltages ranging from 4V to 36V.
- It offers 2.25W power output with outstanding efficiency of up to 90%.
- The device operates in a temperature range from -40°C to 150°C, suitable for harsh environments.
- Its compact HSOP package measures 5mm in length, 4mm in width, and 1.7mm in depth with 8 pins.
- It features low line regulation of 10 mV and load regulation of 15 mV for precise voltage stability.
- This buck converter supports a single output and supports switching frequency optimized for industrial power applications.
- Ideal for use in power supplies, embedded systems, and DC-DC voltage regulation applications.
- Designed as part of the L5973AD series of monolithic switching regulators by STMicroelectronics.
Product Description
STMicroelectronics L5973AD buck converter is a high-performance DC-DC switching regulator designed for surface mount applications. It delivers a regulated 3.5V output voltage at a current up to 300μA with a maximum power output of 2.25W. The converter efficiently operates across a wide input voltage range of 4V to 36V, achieving up to 90% efficiency, making it suitable for energy-conscious designs.
This device comes in an HSOP package with small dimensions (5mm length, 4mm width, 1.7mm depth) and includes 8 pins for easy mounting on printed circuit boards. Its wide operating temperature range from -40°C to 150°C supports use in demanding industrial and commercial environments.
The L5973AD offers excellent line regulation of 10 mV and load regulation of 15 mV, ensuring stable output voltage despite variations in input voltage and load. It has a single output and is ideal for power supply modules, embedded control systems, and telecommunications equipment requiring reliable step-down voltage conversion.
As part of STMicroelectronics' monolithic switching regulator series, this buck converter is well-suited for applications requiring compact size, high efficiency, and broad operational conditions in industrial, automotive, and consumer electronics.
Output voltage fixed at 3.5V with low ripple and noise. Input voltage flexibility from 4V minimum to 36V maximum supports multiple power sources. High efficiency coupled with robust thermal tolerance enhances reliability under demanding workloads.
Compact HSOP package eases integration into complex PCBs. Line and load regulation support precise power management requirements. Wide temperature range operation allows application in harsh environments. Single output design fits standard Buck Converter applications.
Ideal for industrial, manufacturing, telecommunications, and laboratory power supply uses.
This product is supplied new in tubes, ready for efficient insertion into manufacturing processes. For exploring more STMicroelectronics power components and converters, browse the Electronics & Electricals category on EnvMart.
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Frequently Asked Questions
The maximum input voltage is 36V.
It achieves an efficiency of up to 90%.
The package measures 5mm in length, 4mm in width, and 1.7mm in depth.
It can provide an output current of up to 300μA.
It operates within a temperature range of -40°C to 150°C.
The L5973AD has 8 pins.
It features a load regulation of 15 mV.
It is ideal for power supplies, embedded systems, and DC-DC voltage regulation applications.
The line regulation is specified at 10 mV.
It has a maximum power output of 2.25W.
This converter is designed for surface mounting.
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