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Product Detailed Parameters
- Description：IC LED DRIVER RGLTR PWM 14SOIC
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tube
- Type：DC DC Regulator
- Topology：Flyback
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：11V
- Voltage - Supply (Max)：27V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog, PWM, TRIAC
- Applications：Commercial & Industrial Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SOIC
- Grade：-
- Qualification：-
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Overview
The MP4033GSE is a TRIAC dimmable, primary side control offline LED controller with active PFC. It utilizes a single-stage converter for isolated lighting applications, employing proprietary actual current control via primary side information to regulate LED current precisely. The device operates in critical conduction mode to reduce MOSFET switching losses and features adaptive dimmer type detection with phase-cut dimming control for wide dimming ranges. It supports PWM input for analog dimming and includes integrated charge pump circuitry for fast startup without delay.
Feature Summary
- Primary side control architecture eliminating the need for secondary feedback circuits
- Integrated active power factor correction operating in critical conduction mode
- Adaptive dimmer type detection supporting TRIAC and PWM analog dimming inputs
- Comprehensive protection suite including output overvoltage, short circuit, and thermal shutdown
Applications
- Commercial and industrial isolated LED lighting fixtures
- TRIAC dimmable AC-DC LED drivers
- Applications requiring high power factor and precise current regulation
Procurement Notes
Verify the specific suffix against official Monolithic Power Systems documentation to confirm package type and temperature range. The GSE suffix typically denotes an MSOP-10 or SOIC-14 package depending on the specific variant within the MP4033 family. Ensure compatibility with design requirements for isolation topology and dimming interface before procurement.
Selection Notes
Select this component for designs requiring primary side regulation to minimize bill of materials cost by removing optocouplers and secondary sense resistors. It is suitable for applications demanding high power factor correction and compatibility with standard TRIAC dimmers. Consider the thermal performance and package options when designing for enclosed fixtures.
Part Context
The MP4033 series consists of enhanced TRIAC dimmable, primary side control offline LED controllers featuring active PFC. This family is designed for isolated lighting applications, offering precise LED current control through proprietary methods. Variants include different package options such as SOIC-8, MSOP-10, and SOIC-14 to accommodate various power levels and thermal constraints.
Replacement Considerations
MP4033GK-Z
FAQ
Does the MP4033GSE require a secondary feedback loop?
No, it utilizes primary side control technology, which eliminates the need for secondary feedback circuits such as optocouplers.
What dimming methods are supported?
The device supports TRIAC dimming with adaptive detection and PWM input for analog dimming functionality.
