PL83081 Dual Constant Current Step-Down Switching Converter
●PL83081 is a PWM controller, designed for high performance synchronous Buck DC/DC applications with input voltages 3.0 V to 24 V .
●PL83081 employs Constant ON time control. The switching frequency could be set to 150kHz, 300kHz, 600kHz or 1200kHz based on different resistor value between FREQ pin and GND pin. The device also features a programmable soft-start function and offers all kinds of protection features including cycle-by-cycle current limiting, input under voltage lockout (UVLO), output over voltage protection (OVP), thermal shutdown and output short protection etc.
●PL83081 provides voltage control loop, constant current loop, and thermal regulation loop.
■Features:
●3.0V to 24V wide operating input range
●2.0V to 24V wide operating output range
●100% duty
●Integrated two 8mΩ power MOSFETs.
●Dynamical programming of output current and Output voltage using PWM signal or analog signal
●Adjustable Switching Frequency using resistor
●Frequency dithering for good EMI performance
●Integrated 2-A MOSFET Gate Drivers
●Comprehensive protection features including Output Short Protection (OSP), Cycle-by-Cycle Peak Current Limit, thermal regulation, thermal shutdown, input UVLO, output OVP etc.
●Dual Output Average Current Limiting with stable CC loop
●QFN5x5-32 Package
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Dual Constant Current Step-Down Switching Converter 、 PWM controller |
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[ Automotive Start-Stop Systems ][ Industrial PC Power Supplies ][ USB Power Delivery ] |
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Datasheet |
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Please see the document for details |
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QFN5x5-32 |
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English Chinese Chinese and English Japanese |
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2022-11-01 |
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Rev.1.0 |
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DS-PL83081-Rev.1.0 |
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4.4 MB |
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