- MP4001
MP4001
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Description
The MP4001 is a high efficiency step-down converter designed for driving the high brightness Light Emitting Diodes (LEDs). The MP4001 drives external MOSFET with boundary conduction mode which features no reverse recovery loss in the freewheeling diode, soft turn on with zero-current and valley voltage for the power MOSFET. Such operation mode can achieve very high efficiency and in the same time minimize the inductor value and size. With the boundary conduction control mode, the LED current can be well regulated by control the MOSFET peak current which is sensed through an external resistor. Its low 300mV feedback voltage reduces power loss and improves the efficiency. The MP4001 integrates a high-voltage smart LDO, which allows the AC input to power up the IC directly. The smart LDO sinks current when the input voltage is lower than 24V to achieve higher efficiency. The MP4001 implements both PWM and DC input burst dimming The MP4001 features output short protections, maximum switching frequency limitation, under-voltage lockout and thermal shut down.
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Features & Benefits
- Constant-current LED Driver
- Universal AC Input (85VAC-265VAC)
- Power MOSFET Zero-Current Turn On
- High Efficiency Boundary Mode Operation
- Integrated High-voltage Smart LDO
- Low 1mA Operation Current
- PWM or DC Input Burst Dimming Control
- Hiccup Short Circuit Protection
- Maxim Frequency Limited to 110kHz
- Thermal Shutdown
- Available in SOIC8 Package

Active Part Numbers:
MP4001DS-LF-P MP4001DS-LF-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP4001 Resources
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PRODUCT CATEGORY
AC-DC LIGHTINGPRODUCT CATEGORY -
PRODUCT CATEGORY
LED DRIVERSPRODUCT CATEGORY -
PRODUCT CATEGORY
NO PFCPRODUCT CATEGORY -
PRODUCT CATEGORY
AC-DC PRODUCT SELECTORPRODUCT CATEGORY -
APPLICATION
AC/DC LIGHTINGAPPLICATIONAC/DC lighting applications include signage, street lights, GU10, par lights, A19 bulbs, recessed downlighting, T8 tube lighting, and troffer lights. Any LED lighting setup must offer high energy efficiency and peak reliability to extend the lifetime of the light. Because LEDs are quickly becoming the leading lighting technology in office, industrial, and home-based situations, there is now a grea...
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PRODUCT CATEGORY
NO PFC, NO-TRIAC DIMMINGPRODUCT CATEGORY -
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