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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
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Description
NB685 (AKU*)FEATURES Wide 4. 5V to 28V Operating Input Range Compatible for IMVP8 135A Low Quiescent Current 12A Continuous Output Current 13A Peak Output Current Selectable Ultrasonic Mode Selectable 500k 700k 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 Internal Soft Start Output Discharge OCL, OVP, UVP, and Thermal
FEATURES
- Wide 4.5V to 28V Operating Input Range
- Compatible for IMVP8
- 135μA Low Quiescent Current
- 12A Continuous Output Current
- 13A Peak Output Current
- Selectable Ultrasonic Mode
- Selectable 500k/700k 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
- Internal Soft Start
- Output Discharge
- OCL, OVP, UVP, and Thermal Shutdown
- Latch-Off Re-Set via EN or Power Cycle
- QFN 3mm x 3mm Package
APPLICATIONS
- Laptop Computer
- Networking Systems
- Server
- Distributed Power Systems
DESCRIPTION
The NB685 provides a complete power supply with the highest density for DDR3, DDR3L, LPDDR3, and DDR4 memory. It integrates a high-frequency, synchronous, rectified, stepdown, switch-mode converter (VDDQ) with a1A sink/source LDO (VTT) and buffered low noise reference (VTTREF).
The NB685 operates at high efficiency over a wide output current load range based on MPS proprietary switching loss reduction technology and internal low Ron 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 sink/source current capability and requires only 22μF ceramic capacitors. The VTTREF tracks VDDQ/2 with excellent 1% accuracy. Full protection features include OC limit, OVP, UVP, thermal shutdown, and over-temperature warning (OTW).
The converter requires a minimum number of external components and is available in a QFN 3mm x 3mm package.
Keywords:
NB 685 AKU
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy