Description

The ML4832CP is an electronic component belonging to the IC Chips category. It is a complete solution for a dimmable/nondimmable, high power factor, high efficiency electronic ballast, and contains controllers for boost type power factor correction as well as for a dimming ballast.

Specifications and features

• Complete power factor correction and dimming ballast control in one IC
• Low distortion, high efficiency continuous boost, average current sensing PFC section
• Programmable start scenario for rapid or instant start lamps
• Lamp current feedback for dimming control
• Variable frequency dimming and starting
• Programmable restart for lamp out condition to reduce ballast heating
• Over-temperature shutdown replaces external heat sensor for safety
• PFC overvoltage comparator eliminates output runaway due to load removal
• Large oscillator amplitude and gain modulator improves noise immunity
• Low start-up current <0.5mA

Application Scenarios

The ML4832CP can be used in various electronic applications from lighting to power supply units.

Comparison

• Complete power factor correction and dimming ballast control in one IC, which reduces the need for multiple components.
• Low distortion and high efficiency continuous boost.
• Programmable start scenario and variable frequency dimming provide flexibility in operation.
• Over-temperature shutdown, PFC overvoltage comparator, and programmable restart provide added safety features.

No significant drawbacks found for the ML4832CP.