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PM6652

STMicroelectronics
Part Number PM6652
Manufacturer STMicroelectronics
Description Single-phase Switching DC-DC Controllers & Smart Regulators
Published Jan 16, 2010
Detailed Description PM6652 Single phase controller for Intel® MVP 6.5 render voltage regulator, CPU and VR11 CPU Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ...
Datasheet PDF File PM6652 PDF File

PM6652
PM6652

Overview
PM6652 Single phase controller for Intel® MVP 6.
5 render voltage regulator, CPU and VR11 CPU Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 4.
5 V to 28 V input voltage range 0.
3 V to 1.
5 V output voltage range IMVP6.
5 GPU/CPU and VR11 CPU mode selection Very fast load transient response using constant-on-time loop control Remote voltage sensing Programmable droop function 7 bit dynamic voltage positioning (VID) Programmable pwm frequency Lossless current sense with inductor DCR Accurate inductor current sense with rsense Negative current limit Boot diode embedded Latched OVP, UVP and overtemperature Pulse skipping when suspend state is selected Output voltage ripple compensation Soft start and soft end VFQFPN-32 5x5 mm Description The PM6652 is a single phase, step-down SMPS controller with high precision 7 bit DAC.
It has been designed to supply the CPU and the graphics core (render engine) of the Intel® mobile platform, according with Intel MVP6.
5 specifications.
The PM6652 can also be configured to supply the 7-bit family, VR11 compliant, ATOM® processors.
The controller, based on constant on-time (COT) architecture, allows real-time dynamic switching of the core operating voltages and frequencies, working in both performance and suspend render states.
An embedded integrator control loop compensates the DC voltage error due to the output ripple.
The high efficiency at light load, achieved with pulse skipping working mode, and the extremely low shutdown and quiescent adsorbed current, make the PM6652 the ideal choice in battery powered devices.
■ Power good available www.
DataSheet4U.
com ■ Current monitor (IMON) ■ Thermal throttling Applications ■ ■ ■ ■ ■ Intel mobile graphic core IMVP6.
5 Intel mobile CPU IMVP6.
5 Intel ATOM® VR11 based devices Notebook, netbook and nettop computers Handheld and PDAs Table 1.
Device summary Order codes PM6652 VFQFPN-32 5 x 5 mm (exposed pad) PM6652TR Tape and reel Package Packaging Tray December 2009 Doc ID 16867 Rev 1 1/46 www.
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