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See Technical Specifications

NCP5201MNR2G

Dual Output DDR Power Controller

Manufacturer: onsemi
Mfr.Part #: NCP5201MNR2G
Datasheet: NCP5201MNR2G Datasheet (PDF)
Applications: Controller, DDR
Voltage - Input: 9.2V ~ 12V
Number of Outputs: 2
Operating Temperature: 0°C ~ 70°C
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NCP5201MNR2G General Description

The NCP5201 Dual DDR Power Controller is specifically designed as a total power solution for a high current DDR memory system. This IC combines the efficiency of a PWM Controller for the VDDQ supply with the simplicity of a linear regulator for the VTT memory termination voltage. The secondary regulator (VTT) is designed to automatically track at half the primary regulator voltage (VDDQ). An internal power good voltage monitor tracks both VDDQ and VTT outputs and notifies the user in the event of a fault on either output. Protective features includes soft-start circuitry and undervoltage monitoring of VCC and VSTBY. The IC is packaged in a 5 X 6 QFN-18.

Key Features

Incorporates VDDQ, VTT Regulators
Internal Switching Standby Regulator for VDDQ
All External Power MOSFETs Are N-Channel
Adjustable VDDQ
VTT Tracks VDDQ/2
Fixed Switching Frequency of 250 kHz for VDDQ in Normal Mode
Doubled Switching Frequency (500 kHz) for Standby Mode
Soft-Start Protection for VDDQ
Undervoltage Monitor
Short-Circuit Protection for Both VDDQ and VTT Outputs
Housed in a space saving 5 x 6 QFN-18
Pb-Free Packages are Available

Specifications

Series	-	Applications	Controller, DDR
Voltage - Input	9.2V ~ 12V	Number of Outputs	2
Voltage - Output	-	Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount	Base Product Number	NCP5201