- MP4586
MP4586
80V, 6A, Synchronous, Step-Down DC/DC Converter with Dual-Phase Operation Supported
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Description
The MP4586 is a high-efficiency, synchronous step-down converter with integrated high-side and low-side MOSFETs (HS-FET and LS-FET, respectively). It supports up to 6A of continuous output current (IOUT), with excellent load and line regulation across the wide input voltage (VIN) supply range.
High power conversion efficiency across a wide load range is achieved through power-save mode (PSM). The MP4586's fixed-frequency constant-on-time (COT) control architecture provides fast transient response and eases loop stabilization.
The MP4586's operating frequency is configurable via the FREQ pin. In addition, the device can be synchronized to an external clock in single-phase applications.
Full protection features include over-current protection (OCP), short-circuit protection (SCP) with hiccup mode, output voltage (VOUT) over-voltage protection (OVP), and over-temperature protection (OTP).
The MP4586 is available in a QFN-37 (6mmx6mm) package with wettable flanks.
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Features & Benefits
- 5.5V to 80V Input Voltage (VIN) Range
- 0.8V to VIN x DMAX Output Voltage (VOUT)
- Up to 6A Continuous Output Current (IOUT)
- Internal 28mΩ/21mΩ Low On Resistance (RDS(ON)) MOSFETs
- Selectable Power-Save Mode (PSM) or Forced Continuous Conduction Mode (FCCM)
- Configurable 100kHz to 1MHz Switching Frequency (fSW)
- External Clock Synchronization for Single-Phase Operation
- Fixed-Frequency Constant-On-Time (COT) for Ultra-Fast Transient Response
- Supports Auto-Bias from VOUT for High Efficiency
- Lossless and Accurate LS-FET Current Sense with Temperature Compensation
- Supports Up to Dual-Phase Paralleled Operation with Phase Shift Control
- Accurate Current Balance in Dual-Phase Operation
- Power Good (PG) Indication
- Configurable Soft Start (SS)
- Output Over-Current Protection (OCP), Over-Voltage Protection (OVP), and Thermal Shutdown
- Available in a QFN-37 (6mmx6mm) Package with Wettable Flanks
Active Part Numbers:
MP4586GQKE-Z MP4586GQKE-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z 
MP4586 Resources
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