Summary of MONOLITHIC POWER SYSTEMS (MPS) MP3362 BOOST LED DRIVER
Monolithic Power Systems MP3362 is a fixed-frequency boost LED driver supporting 3V–36V input, regulating outputs up to 36V with up to 95% efficiency. It uses a low 0.2V feedback for efficient white LED driving, offers current-mode control with external compensation, configurable switching 200kHz–2.2MHz, 4A peak switch, integrated 80mΩ/40V MOSFET, analog/PWM dimming, and protections including UVLO, thermal shutdown, soft-start, and LED fault protections. Available in TSOT23-8.
Parts used in the MP3362 Boost LED Driver Project:
- MP3362 boost LED driver IC
- External compensation components (resistors and capacitors)
- Inductor suitable for chosen switching frequency and current
- Output diode (Schottky) rated for boost operation
- Output capacitor(s) rated to required voltage
- Input decoupling capacitor(s)
- Feedback resistor network
- PCB in TSOT23-8 footprint or adapter
- Connections for analog dimming control
- Connections for PWM dimming control
Monolithic Power Systems (MPS) MP3362 Boost LED Driver is a fixed-frequency converter for low-current and high-current boost applications. The driver features a low 0.2V feedback voltage for higher efficiency in white LED driver applications. The MP3362 regulates the output voltage up to 36V with an efficiency as high as 95%. Current mode regulation and external compensation components allow the MP3362 control loop to be optimized across a wide variety of input voltages.
Features
- 3V to 36V input voltage range
- 4A peak current limit
- 0.3μA shutdown current
- Low 200mV feedback voltage
- Configurable 200kHz to 2.2MHz fSW
- Internal 80mΩ, 40V power switch
- High efficiency
- Analog and PWM dimming
- Under-voltage lockout protection
- Open/short LED protection
- Short FB protection
- Soft-start operation
- Thermal shutdown
- Available in a TSOT23-8 package
Read more: MONOLITHIC POWER SYSTEMS (MPS) MP3362 BOOST LED DRIVER
- What input voltage range does the MP3362 support?
The MP3362 supports an input voltage range of 3V to 36V. - What is the maximum regulated output voltage of the MP3362?
The MP3362 can regulate the output voltage up to 36V. - What is the feedback voltage of the MP3362 and why is it useful?
The feedback voltage is 0.2V (200mV), which enables higher efficiency in white LED driver applications. - What switching frequency range can be configured for the MP3362?
The switching frequency is configurable from 200kHz to 2.2MHz. - Does the MP3362 include an internal power switch and what are its ratings?
Yes, it includes an internal power switch rated 80mΩ on-resistance and 40V. - What dimming methods does the MP3362 support?
The MP3362 supports both analog dimming and PWM dimming. - What protection features are built into the MP3362?
It includes under-voltage lockout, open/short LED protection, short feedback protection, and thermal shutdown, plus soft-start operation. - What is the shutdown current of the MP3362?
The shutdown current is 0.3μA. - What is the peak current limit of the MP3362?
The MP3362 has a 4A peak current limit. - In what package is the MP3362 available?
The MP3362 is available in a TSOT23-8 package.
