EV24893DJ-00A
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The EV24893DJ-00A is an evaluation board for the MP24893DJ, a step-down converter designed in continuous current mode for driving the high brightness LEDs from wide input voltage of 6V to 30V.
The MP24893 employs hysteretic control architecture to regulate a highly accurate LED current, which is measured through an external high-side current-sense resistor. Moreover, this control scheme provides optimal circuit stabilization and a very quick response time without loop compensation. Its low 200mV average feedback voltage reduces power loss and improves the converter efficiency.
The MP24893 implements PWM and analog dimming together through the DIM pin. The MP24893 includes under-voltage lockout, thermal overload protection to prevent damage in the event of an output overload.
Product Features
- Internal 36V MOSFET
- Wide 6V-to-30V Input Range
- High Efficiency
- Hysteretic Control
- PWM and Analog Dimming
- 1000:1 PWM Dimming Resolution
- UVLO, Thermal Shutdown
Parametrics
- IC Supported 1MP2489
Monolithic IC
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IC Details
The MP2489 is a high efficiency step-down converter designed in continuous current mode for driving the high brightness Light Emitting Diodes (LED) from wide input voltage 6V60V. The MP2489 employs hysteretic control architecture to regulate a high accuracy LED current, which is measured through an external high-side current sensing resistor. Moreover, this control scheme provides optimized circuit stabilization and very quick response time without the loop compensation. Its low 202mV average feedback voltage reduces power loss and improves the converter efficiency. The MP2489 implements PWM and analog dimming together with DIM pin. The MP2489 includes thermal overload protection preventing damage in the event of an output overload. The MP2489 is available in small QFN6 (3x 3mm), TSOT23-5 and SOIC8E packages.
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