MP4559 Step-Down Converters

Monolithic Power Systems (MPS) MP4559 Step-Down Converters are high-frequency switching regulators with an integrated high-side, high-voltage power MOSFET. The MP4559 series delivers 1.5A output with current mode control for a fast loop response and easy compensation. The wide input range of 3.8V to 55V accommodates many step-down applications, including automotive input environments. 12µA quiescent current in shutdown mode makes the MP4559 series suitable for battery-powered applications. Higher power conversion efficiency is achieved over a wide load range by scaling down the switching frequency under light load conditions.

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Qty. RoHS ECAD Model Mounting Style
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Output Voltage
Output Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
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Monolithic Power Systems (MPS) Switching Voltage Regulators 1.5A, 2MHz, 55V Buck Converter
Datasheet
841In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500
SMD/SMT QFN-10 Buck 800 mV to 52 V 1.5 A 1 Output 140 uA 2 MHz - 40 C + 125 C MP4559 Reel, Cut Tape, MouseReel
Monolithic Power Systems (MPS) Switching Voltage Regulators 1.5A, 2MHz, 55V Buck Converter
Datasheet
105,889On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SOIC-EP-8 Buck 800 mV to 52 V 1.5 A 1 Output 140 uA 1 MHz - 40 C + 125 C MP4559 Reel, Cut Tape, MouseReel
Monolithic Power Systems (MPS) Switching Voltage Regulators 1.5A, 2MHz, 55V Buck Converter
Datasheet
Non-Stocked Lead-Time 30 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT QFN-10 Buck 800 mV to 52 V 1.5 A 1 Output 140 uA 2 MHz - 40 C + 125 C MP4559 Reel, Cut Tape, MouseReel