ELM615DA 36V5A synchronous buck DC-DC converter with dual-channel current limiting function.
The ELM615DA is a high-efficiency synchronous buck DC-DC converter that can accept input voltages from 4V to 36V and incorporates two switch transistors for high-side and low-side operation. It demonstrates excellent transient response to input and load variations due to its 180kHz COT control method. The use of slew rate control and a 3kHz 6% frequency modulation spectrum spreading technique reduces unwanted radiation. The output voltage range is from 0.8V to VIN, and it can provide output currents up to 5A. It includes a circuit that compensates for output voltage drop due to wiring resistance on the output side, which is effective for USB devices and can compensate for voltage drops at the load end. Additionally, it features independent dual-channel current monitoring capabilities, allowing for overcurrent protection for two separate loads.
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basic information
Features • Input voltage range: 4V to 36V • Output current: 5A • Overcurrent protection: Switch cycle • Built-in wiring resistance voltage drop compensation circuit • Short-circuit protection function: Constant current or H-bridge characteristic (specified type) • Overheat protection function: 155℃ • Spectrum spreading switching: 180kHz 6% FM spreading • Built-in switch on-resistance: 40mΩ high side / 40mΩ low side • Minimum on-time: 70nsec • Soft start function: 3msec • Package: SOP-8 (with back heat dissipation pad)
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※The delivery time may vary depending on the quantity, so please feel free to contact us.
Applications/Examples of results
Application examples 2-port cigarette lighter USB charger Industrial electronic equipment power supply Internal power supply for PCB
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Company information
In the IT devices where miniaturization and lightweight design have become standard, analog semiconductors are essential for realizing digital systems. Elm Technology has responded to various market needs with its compact and high-quality ICs under its own brand. Elm Technology operates from its headquarters in Tokyo, the Okinawa Technology Center, Elm High Tech (partner in Taiwan), and ELM Korea (local subsidiary), engaging in the design, development, and sales of ICs for AV equipment, PC peripherals, and various other applications. Additionally, we also develop custom ICs. 【Products Offered】 Logic ICs, operational amplifiers, voltage detectors, light sensors, high-speed logic ICs, DC-DC converters, voltage regulators, SPI flash memory, voltage comparators, DC-DC converter modules, special functions (LED drivers, laser diode drivers, IF detection ICs), bipolar transistors, MOSFETs (single power MOSFETs, dual power MOSFETs, complementary power MOSFETs).
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