26V, 12A, Low IQ, High-Current, Synchronous Buck Converter with ±1A LDO and Buffered Reference

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Unit Price:$1.60
Minumum Qty: 500
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Product Information

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The MP8719 provides a complete power supply with the highest power density for DDR3, DDR3L, LPDDR3, and DDR4 memory. The MP8719 integrates a high-frequency, synchronous, rectified, step-down, switch-mode converter (VDDQ) with a 1A sink/source LDO (VTT) and buffered low-noise reference (VTTREF).

The MP8719 operates at high efficiency over a wide output current load range based on MPS’s proprietary switching loss reduction technology and internal low RDS(ON) power MOSFETs.

Adaptive constant-on-time (COT) control mode provides fast transient response and eases loop stabilization. The DC auto-tune loop provides good load and line regulation.

The VTT LDO provides 1A of sink/source current capability and requires only a 22μF ceramic capacitor. The VTTREF tracks VDDQ/2 with excellent 1% accuracy.

Full protection features include over-current (OC) limit, over-voltage protection (OVP), under-voltage protection (UVP), over-temperature warning (OTW), and thermal shutdown.

The MP8719 requires a minimal number of external components and is available in a QFN-16 (3mmx3mm) package.

• Televisions
• Networking Systems
• Distributed Power Systems
• Set-Top-Box

Symmetry Electronics is an authorized Monolithic Power Systems distributor.


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Wide 4.5V to 26V Operating Input Range
135A Low Quiescent Current
12A Continous Output Current
13A Peak Output Current
Selectable Ultrasonic Mode (USM)
Selectable 500kHz/700kHz Switching Frequency
Built-In 1A VTTLDO
1% Buffered VTTREF Output
Adaptive COT for Fast Transient
DC Auto-Tune Loop
Stable with POSCAP and Ceramic Output Capacitors
Over-Temperature Warning (OTW)
Internal Soft Start (SS)
Output Discharge
OCL, OVP, UVP, and Thermal Shutdown
Latch-Off Reset via EN or Power Cycle
Available in a QFN-16 (3mmx3mm) Package