The UC3573D is a high-performance Buck Regulator DC-DC Switching Controller designed by Luminary Micro / Texas Instruments, specifically engineered for efficient voltage step-down applications in electronic systems. This integrated circuit provides a robust solution for power management, delivering precise voltage regulation with a positive output configuration.
The controller operates within a temperature range of 0°C to 70°C and features a compact 8-SOIC package, making it suitable for space-constrained electronic designs. Its primary functionality is to convert higher input voltages to lower, more stable output voltages through a buck topology, with a remarkable switching frequency of 100kHz and a maximum duty cycle of 92%.
Key specifications include a wide input voltage range of 4.75V to 30V, enabling versatility across various power supply scenarios. The device incorporates critical control features such as current limiting and ramp control, enhancing system protection and performance stability. It provides a single-phase output and is designed as a transistor driver controller.
Advantageously, the UC3573D offers precise voltage step-down conversion, high efficiency, and robust built-in protection mechanisms. Its lead-free and RoHS-compliant design ensures environmental sustainability and meets modern electronics manufacturing standards.
This controller is particularly well-suited for applications in power electronics, embedded systems, automotive electronics, industrial control systems, and telecommunications equipment where efficient voltage regulation is crucial. Its compact packaging and reliable performance make it an ideal choice for designers seeking a compact, efficient DC-DC switching solution.
Alternative or equivalent models in the same product category might include the UC3572, UC3574, and other variants within the Texas Instruments buck regulator controller family. Engineers should consult the manufacturer's documentation for precise compatibility and performance specifications when considering alternatives.
UC3573D Key Technical Attributes
Integrated Circuits (ICs)
PMIC - Voltage Regulators - DC DC Switching Controllers
Buck Regulator Positive Output Step-Down DC-DC Controller IC
UC3573D Packing Size
Type: Tube
Material: 8-SOIC
Size: 0.154", 3.90mm Width
Pin Configuration: 8-SOIC
Thermal Characteristics: 0°C ~ 70°C (TA)
Electrical Properties: Voltage Supply 4.75 V ~ 30 V
UC3573D Application
Designed for use in applications requiring efficient power management and voltage regulation, particularly in electronic devices and systems requiring a stepped-down voltage from a higher voltage source.
UC3573D Features
This UC3573D switching controller from Luminary Micro / Texas Instruments features a buck topology, capable of stepping down higher voltage inputs to a regulated lower voltage output. It operates at a switching frequency of 100kHz, has a maximum duty cycle of 92%, and can handle voltage supply ranging from 4.75V to 30V. The device is tailored for applications requiring a robust voltage regulation setting, accomplishing efficient power conversion with its output configured positively and supported by a transistor driver. It includes control features such as current limit and ramp functions, ensuring safe and responsive operation.
UC3573D Quality and Safety Features
Featuring Moisture Sensitivity Level (MSL) 1 (Unlimited), the UC3573D ensures reliability even in environments where moisture exposure is probable. It adheres strictly to RoHS compliance, making it lead-free and environmentally safe.
UC3573D Compatibility
The UC3573D chip from Luminary Micro / Texas Instruments is universally compatible with many electronic devices requiring DC to DC voltage regulation, ensuring smooth integration due to its standard 8-SOIC package and positive voltage output specification.
UC3573D Datasheet PDF
Our website hosts the most authoritative and complete datasheet PDF for the UC3573D model. We strongly recommend downloading it directly from the current page to access detailed specifications and application guidance.
Quality Distributor
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