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Product Detailed Parameters
- Description：4-STRING, MAX 400MA/STRING, MAX
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：33V
- Voltage - Output：80V
- Current - Output / Channel：400mA
- Frequency：500kHz
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The MP3383GF-Z is a Monolithic Power Systems LED lighting driver IC designed for white LED (WLED) applications. It supports four output strings with a maximum current of 400 mA per string and a maximum output voltage of 80 V. The device operates on a step-up topology with an input voltage range of 6 V to 33 V and a fixed switching frequency of 500 kHz. Packaged in a TSSOP-16EP format, it functions within a temperature range of -40°C to +125°C.
Feature Summary
- Supports PWM dimming control for brightness adjustment
- Includes short circuit protection mechanisms
- Features integrated thermal protection
Applications
- White LED backlighting systems
- Portable electronic device illumination
- Automotive interior lighting modules
Procurement Notes
Verify the specific suffix 'Z' indicates lead-free compliance and RoHS adherence as per manufacturer specifications. Confirm the TSSOP-16EP package variant matches your PCB footprint requirements. Ensure the design accommodates the specified operating temperature range and input voltage constraints for reliable operation.
Selection Notes
Select this component when designing circuits requiring four independent LED strings driven by a single controller. It is suitable for applications needing high output voltage up to 80 V from a moderate input supply. Consider the thermal performance of the TSSOP-16EP package for heat dissipation needs in enclosed spaces.
Part Context
This part belongs to the MP3383 series of LED drivers from Monolithic Power Systems. It shares functional similarities with the MP3383GS-Z but differs in the package type, utilizing a TSSOP-16EP instead of an SOIC-16. Both variants offer identical electrical characteristics and protection features for WLED control.
Replacement Considerations
The MP3383GS-Z is a direct alternative within the same series, offering identical electrical performance but housed in an SOIC-16 package. Designers must verify pin-to-pin compatibility and thermal pad requirements when substituting between these package types.
