Specification	NCP5203MNR2

Applications	DDR, Controller
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Package / Case	18-VFDFN Exposed Pad
Supplier Device Package	18-DFN (5x6)
Voltage - Input [Max]	5.5 V
Voltage - Input [Min]	4.5 V

NCP5203 Series

2-in-1 DDR Power Controller

Part	Package / Case	Supplier Device Package	Number of Outputs	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input [Max]	Voltage - Input [Min]	Mounting Type	Applications
ON Semiconductor NCP5203MNR2	18-VFDFN Exposed Pad	18-DFN (5x6)	2	70 °C	0 °C	5.5 V	4.5 V	Surface Mount	Controller DDR

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

NCP5203 Series

The NCP5203 2-in-1 DDR Power Controller is a complete power solution for an ACPI compliant high current DDR memory system. This IC combines the efficiency of a PWM controller for the VDDQ supply with the simplicity of linear regulator for the VTT termination voltage. The NCP5203 contains a synchronous PWM buck controller for driving two external NFETs to form the DDR memory supply voltage (VDDQ). The +/- 2.0A user adjustable VTT terminator regulator has short circuit protection. An internal power good function monitors both the VDDQ and VTT outputs and signals if a fault occurs. Protective features include soft-start, under-voltage monitoring of 5VDUAL, over current protection (OCP), and thermal shutdown. The IC is packaged in 18-lead QFN.