Overview
The LED5000PHR from STMicroelectronics is a high-efficiency power management integrated circuit designed specifically to drive LEDs with a constant current. This device operates as a precise step-down DC-DC converter with an adjustable current capability up to 3A DC. It features an embedded PWM dimming circuitry for LED brightness control and is available in an HSOP-8 package. The LED5000PHR is known for its high reliability, thermal performance, and compact design, making it suitable for a wide range of LED driving applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type | DC-DC Regulator (Step-Down/Buck, Step-Up/Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 5.5V |
| Voltage - Supply (Max) | 48V |
| Current - Output / Channel | 3A |
| Frequency | 850kHz |
| Dimming | PWM |
| Operating Temperature | -40°C to 125°C |
| Package | HSOP-8 |
| Mounting | SMD |
Key Features
- High-efficiency step-down (buck) and step-up (boost) topology
- Integrated switch for simplified design
- Single output capable of delivering up to 3A current
- Adjustable switching frequency up to 850kHz
- PWM dimming support for variable lighting applications
- Operating temperatures ranging from -40°C to 125°C
- Compact HSOP-8 package with exposed pad for enhanced heat dissipation
- Thermal shutdown and overcurrent protection for safe operation
- Compliant with ceramic output capacitors
- Inhibit for zero current consumption
Applications
- Lighting systems
- Signage and billboards
- Industrial lighting applications
Q & A
- What is the primary function of the LED5000PHR?
The LED5000PHR is a high-efficiency power management IC designed to drive LEDs with a constant current. - What is the maximum output current of the LED5000PHR?
The maximum output current is 3A. - What is the operating voltage range of the LED5000PHR?
The operating voltage range is from 5.5V to 48V. - What type of dimming does the LED5000PHR support?
The LED5000PHR supports PWM dimming. - What is the switching frequency of the LED5000PHR?
The switching frequency is 850kHz. - What are the key protection features of the LED5000PHR?
The device features thermal shutdown, overcurrent protection, and short-circuit protection. - In what package is the LED5000PHR available?
The LED5000PHR is available in an HSOP-8 package. - What is the operating temperature range of the LED5000PHR?
The operating temperature range is from -40°C to 125°C. - Is the LED5000PHR suitable for surface mount technology (SMT) PCB assembly?
Yes, it is designed for SMT PCB assembly. - What are some common applications of the LED5000PHR?
Common applications include lighting systems, signage, and billboards.
