NCP5381
NCP5381 is 2/3/4 Phase Buck Controller manufactured by onsemi.
Features
- Meets Intel’s VR 10.0, 10.1, 10.2, and 11.0 Specifications
- Dual- Edge PWM for Fastest Initial Response to Transient Loading
- High Performance Operational Error Amplifier
- Supports both VR11 and Legacy VR10 Soft- Start Modes
- Dynamic Reference Injection
- 8- Bit DAC per Intel’s VR11 Specifications
- DAC Range from 0.5 V to 1.6 V
- 0.5% System Voltage Accuracy
- Remote Temperature Sensing per VR11
- 2, 3, or 4- Phase Operation
- True Differential Remote Voltage Sensing Amplifier
- Phase- to- Phase Current Balancing
- “Lossless” Differential Inductor Current Sensing
- Differential Current Sense Amplifiers for each Phase
- Adaptive Voltage Positioning (AVP)
- Fixed No- Load Voltage Positioning at
- 19 m V
- Frequency Range: 100 k Hz- 1.0 MHz
- Latched Overvoltage Protection (OVP)
- Threshold Sensitive Enable Pin for VTT Sensing
- Power Good Output with Internal Delays
- Programmable Soft- Start Time
- Operates from 12 V
- This is a Pb- Free Device-
Applications
- Pentium IV Processors
- VRM Modules
- Graphics Cards
- Low Voltage, High Current Power Supplies http://onsemi.
MARKING DIAGRAM
1 40
40 PIN QFN, 7x7 MN SUFFIX CASE 488AG
NCP5381 AWLYYWWG
NCP5381 = Specific Device Code A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb--Free Package
- Pin 41 is the thermal pad on the bottom of the device.
ORDERING INFORMATION
Device
Package...