Overview
The FL7760BM6X is a high-efficiency step-down controller designed for middle to high power LED lighting applications. It operates in Continuous Conduction Mode (CCM) and is suitable for a wide range of lighting systems. The controller supports both PWM and analog dimming through the DIM pin and features a compact 6-pin SOT23 package. It is optimized for high switching frequencies and low power consumption, making it an ideal choice for applications requiring stable and efficient LED current regulation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 8 | - | 70 | VDC |
| Switching Frequency | - | - | 1 MHz | - |
| Operating Current | 51 | 300 | 495 | µA |
| Stand-by Current | 0.1 | 0.24 | 0.4 | mA |
| Gate High Voltage | 4.5 | 5 | 5.5 | V |
| Gate Low Voltage | - | - | 0.5 | V |
| Peak Pull-up Current | - | - | 1.5 A | - |
| Peak Pull-down Current | - | - | 2.5 A | - |
| Ambient Temperature Range | -40 | - | 125 | °C |
| Thermal Shutdown Temperature | 140 | 150 | - | °C |
Key Features
- Wide input voltage range: 8 VDC to 70 VDC
- Continuous Conduction Mode (CCM) operation
- Hysteretic LED current control for stable current regulation
- Support for both PWM and analog dimming through the DIM pin
- Wide analog dimming range down to less than 5% and wide PWM dimming duty range to 0.2% at 2 kHz PWM frequency
- High switching frequency up to 1 MHz
- High source/sink current of 1.5 A / 2.5 A
- Cycle-by-cycle peak current limit
- Low operating current (300 µA) and low stand-by current (240 µA)
- Thermal shutdown (TSD) and under-voltage lockout (UVLO) protections
Applications
- LED Lighting Systems
- LED Smart Lighting Drivers
- LED Lighting Luminaries
Q & A
- What is the input voltage range of the FL7760BM6X?
The input voltage range is from 8 VDC to 70 VDC.
- What are the dimming capabilities of the FL7760BM6X?
The FL7760BM6X supports both PWM and analog dimming, with a wide analog dimming range down to less than 5% and a wide PWM dimming duty range to 0.2% at 2 kHz PWM frequency.
- What is the maximum switching frequency of the FL7760BM6X?
The maximum switching frequency is up to 1 MHz.
- What are the thermal protection features of the FL7760BM6X?
The FL7760BM6X includes thermal shutdown (TSD) and under-voltage lockout (UVLO) protections.
- What is the package type of the FL7760BM6X?
The FL7760BM6X comes in a 6-pin SOT23 package.
- What is the operating current of the FL7760BM6X?
The operating current is 300 µA, and the stand-by current is 240 µA.
- What are the typical applications of the FL7760BM6X?
The FL7760BM6X is typically used in LED lighting systems, LED smart lighting drivers, and LED lighting luminaries.
- How does the FL7760BM6X regulate LED current?
The FL7760BM6X uses hysteretic reference architecture to accurately regulate LED current by sensing voltage across an external high-side sense resistor.
- What is the warranty period for the FL7760BM6X when purchased from Ovaga?
Ovaga offers a 1-year warranty on the FL7760BM6X.
- How can I ensure the authenticity of the FL7760BM6X when purchasing from a third-party supplier?
Ensure the supplier is authorized by Onsemi and follows rigorous testing and verification processes, such as those implemented by Ovaga.
