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PM6652 Datasheet(PDF) 1 Page - STMicroelectronics |
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PM6652 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 53 page  This is information on a product in full production. March 2012 Doc ID 16867 Rev 5 1/53 53 PM6652 Single-phase controller for Intel® MVP 6.5 render voltage regulator, CPU and VR11 CPU Datasheet − production data Features ■ 4.5 V to 36 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 ■ Power good available ■ 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 devices and PDAs 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 to 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. VFQFPN-32 5x5 mm Table 1. Device summary Order codes Package Packaging PM6652 VFQFPN-32 5 x 5 mm (exposed pad) Tray PM6652TR Tape and reel www.st.com |
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