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NCP5314

Features: • Switching Regulator Controller-Programmable 2/3/4 Phase Operation-Lossless Current Sensing-Enhanced V2 Control Method Provides Fast Transient Response-Programmable Up to 1.2 MHz Switching Frequency Per Phase-0 to 100% Adjustment of Duty Cycle-Programmable Adaptive Voltage Positio...

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SeekIC No. : 004433036 Detail

NCP5314: Features: • Switching Regulator Controller-Programmable 2/3/4 Phase Operation-Lossless Current Sensing-Enhanced V2 Control Method Provides Fast Transient Response-Programmable Up to 1.2 MHz Sw...

NCP5314 Data Sheet

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Part Number:
NCP5314
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Switching Regulator Controller
-Programmable 2/3/4 Phase Operation
-Lossless Current Sensing
-Enhanced V2 Control Method Provides Fast Transient Response
-Programmable Up to 1.2 MHz Switching Frequency Per Phase
-0 to 100% Adjustment of Duty Cycle
-Programmable Adaptive Voltage Positioning Reduces Output Capacitor Requirements
-Programmable Soft−Start
• Current Sharing
- Differential Current Sense Pins for Each Phase
-Current Sharing Within 10% Between Phases
• Protection Features
- Programmable Pulse−by−Pulse Current Limit for Each Phase
- "111110" and "111111" DAC Code Fault
- Latching Off Overvoltage Protection
-Programmable Latching Overcurrent Protection
-Undervoltage Lockout
- External Enable Control
-Three−State MOSFET Driver Control through Driver−On Signal
• System Power Management
- 6−Bit DAC with 0.5% Tolerance Compatible with VR(M)10.x Specification
-Programmable Lower Power Good Threshold
-Power Good Output


Application

1. Setting Converter Operating Frequency
2. Output Capacitor Selection
3. Output Inductor Selection
4. Input Capacitor Selection
5. Input Inductor Selection
6. MOSFET and Heatsink Selection
7. Adaptive Voltage Positioning
8. Current Sensing
9. Error Amplifier Tuning
10. Current Limit Setting


Pinout

Connection Diagram


Specifications

Rating

Value

Unit

Operating Junction Temperature 150
Lead Temperature Soldering, Reflow (Note 1) 230 peak
Storage Temperature Range -60 to 150
ESD Susceptibility: Human Body Model 2.0 -
-
JEDEC Moisture Sensitivity Level (MSL): LQFP
     QFN

1
2

 kV
Package Thermal Resistance: RJA LQFP
     QFN, Pad Soldered to PCB		 52
34		 /W



Description

    The NCP5314 provides full−featured and flexible control for the latest high−performance CPUs. The IC can be programmed as a two−,three− or four−phase buck controller, and the per−phase switching frequency can be as high as 1.2 MHz. Combined with external gate drivers and power components, the controller implements a compact, highly integrated multi−phase buck converter.

    Enhanced V2™ control inherently compensates for variations in both line and load, and achieves current sharing between phases. This control scheme of the NCP5314 provides the industry's fastest transient response, reducing the need for large banks of output capacitors and higher switching frequency.

    The controller meets VR(M)10.x specifications of the NCP5314 with all the required functions and protection features.




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