PM6652 datasheet(1/53 Pages) STMICROELECTRONICS

部件名	PM6652

功能描述	Single-phase controller for Intel MVP 6.5 render voltage regulator,

PDF	53 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

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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