ncp5378 ON Semiconductor, ncp5378 Datasheet
ncp5378
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ncp5378 Summary of contents
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... Buck Controller with Integrated Gate Drivers and Programmable DAC The NCP5378 is a single chip solution which combines differential voltage sensing, differential phase current sensing, adaptive voltage positioning, and on board gate drivers to provide accurately regulated power for Intel processors. This controller IC maintains the same features as the multi− ...
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VID0 VID1 VID2 VID3 VID4 VID5 Flexible DAC VID6 VID7 OFS VSN − + VSP Diff Amp DIFFOUT 1.3 V Error Amp + − VFB COMP + VDRP − VDFB CSSUM − CSP + − CSN Gain = 6 RPM ...
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Table 1. PIN DESCRIPTIONS Pin No. Symbol 1 VR_RDY Open collector output. High indicates that the output is regulating 2 IMON Volt analog signal proportional to the output load current. VSN referenced Clamped to 1.1 Vmax 3 ...
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ABSOLUTE MAXIMUM RATINGS Rating ELECTRICAL INFORMATION Controller Power Supply Voltages to GND Driver Power Supply Voltages to GND High−Side Gate Driver Supplies: BST to SWN High−Side FET Gate Driver Voltages SWN Switch Node: SWN Low−Side Gate Drive: BG ...
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ELECTRICAL CHARACTERISTICS 0°C < T < 70°C; 0°C < T < 125°C; 4.75 < Parameter ERROR AMPLIFIER Input Bias Current Open Loop DC Gain Open Loop Unity Gain Bandwidth Open Loop Phase Margin Slew Rate Maximum Output ...
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ELECTRICAL CHARACTERISTICS 0°C < T < 70°C; 0°C < T < 125°C; 4.75 < Parameter VDROOP AMPLIFIER Open Loop Phase Margin Slew Rate Maximum Output Voltage Minimum Output Voltage Output Source Current Output Sink Current CSSUM AMPLIFIER ...
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ELECTRICAL CHARACTERISTICS 0°C < T < 70°C; 0°C < T < 125°C; 4.75 < Parameter VR_RDY (Power Good) OUTPUT VR_RDY Output Voltage at Power−up VR_RDY High − Output Leakage Current VR_RDY Upper Threshold Voltage (INTEL) VR_RDY Lower ...
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ELECTRICAL CHARACTERISTICS 0°C < T < 70°C; 0°C < T < 125°C; 4.75 < Parameter DAC OUTPUT Output Source Current Output Sink Current VID INPUTS Threshold VR11 Mode Leakage Delay before Latching VID Change (VID Deskewing) (Note ...
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ELECTRICAL CHARACTERISTICS 0°C < T < 70°C; 0°C < T < 125°C; 4.75 < Parameter THERMAL SHUTDOWN Tsd Thermal Shutdown (Note 3) Tsdhys Thermal Shutdown Hysteresis (Note 3) VRM 11 DAC System Voltage Accuracy 3. Guaranteed by ...
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... DRVH−SW SW General The NCP5378 is a ramp−pulse−modulated (RPM) controller designed with necessary features for CPU applications. The IC consists of the following blocks: Precision Flexible DAC, Differential Remote Voltage Sense Amplifier, High Performance Voltage Error Amplifier, Differential Current Feedback Amplifier, precision programmable DAC and PWM Comparator with Hysteresis ...
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... Switching Frequency in RPM Mode When the NCP5378 operates in RPM mode, its switching frequency is controlled by the ripple voltage on the COMP pin. Each time the COMP pin voltage exceeds the RPM pin ...
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... For positive offset connect a resistor to GND. is reduced below the For negative offset connect a resistor to V no-load offset on NCP5378 is −19 mV. To set the no−load offset please use the equations below: For Negative Offset connect R For Positive Offset connect R For example to get 0 mV no-load offset ...
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Table 2. VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 ...
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Table 2. VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 ...
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Table 2. VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 ...
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Table 2. VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 ...
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Table 2. VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 ...
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... D 5.00 BSC D2 2.950 3.100 3.250 E 5.00 BSC E2 2.950 3.100 3.250 e 0.500 BSC K 0.200 −−− −−− L 0.300 0.400 0.500 5.30 3.20 3.20 5. 0.50 PITCH ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCP5378/D ...