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MP4315GRE-P, Switching Voltage Regulators 45V, 5A, Low Iq Synchronous Step-DownConverter with Frequency Spread Spectrum
Semiconductors\Power Management ICs\Voltage Regulators & Voltage Controllers\Switching Voltage Regulators
MP4315 is a synchronous step-down switching converter with a configurable frequency, as well as an integrated internal highside MOSFET (HS-FET) and low-side MOSFET (LS-FET). The device provides up to 5A of highly efficient output with current mode control for fast loop response. The wide 3.3V to 45V input voltage range accommodates a variety of step-down applications in automotive input environments. The MP4315's low 1.7µA shutdown mode quiescent current makes the device well-suited for battery-powered applications. High power conversion efficiency across a wide load range is achieved by scaling down the switching frequency under light-load conditions to reduce the switching and gate driver losses. An open-drain power good signal indicates whether the output is within 93% to 106% of its nominal voltage. It is available in a QFN-20 (4mmx4mm) wettable flank package. Applications include radios, battery power systems, general purpose consumer applications and industrial power systems.
• 18µA sleep mode quiescent current
• Internal 48mohm high-side MOSFET and 20mohm low-side MOSFET
• 350KHz to 1000KHz configurable switching frequency for car battery applications
• 100ns minimum on time, can be synchronized to an external clock
• Out-of-phase synchronized clock output, frequency foldback
• Frequency spread spectrum (FSS) for low EMI
• Symmetric VIN for low EMI, power good output, external soft start, thermal shutdown
• High-duty cycle and low-dropout mode are provided for the automotive cold crank conditions
• Selectable advanced asynchronous mode or forced continuous conduction mode (FCCM)
• Low-dropout mode, hicc-up overcurrent protection
| Выходной Ток | 5А |
| Количество Выводов | 20вывод(-ов) |
| Корпус ИС DC / DC Преобразователя | QFN |
| Максимальная Частота Коммутации | 1МГц |
| Максимальное Входное Напряжение | 45В |
| Максимальное Выходное Напряжение | 42.75В |
| Минимальное Входное Напряжение | 3.3В |
| Минимальное Выходное Напряжение | 815мВ |
| Универсальный Номер Микросхемы | MP4315 |
| Уровень Чувствительности к Влажности (MSL) | MSL 1-Безлимитный |
