Rainbow-electronics MAX17036 Bedienungsanleitung PDF herunterladen

General Description

The MAX17030/MAX17036 are 3/2-phase interleaved

Quick-PWM™ step-down VID power-supply controllers

for IMVP-6.5 notebook CPUs. Two integrated drivers and

the option to drive a third phase using an external driver

such as the MAX8791 allow for a flexible 3/2-phase con-

figuration depending on the CPU being supported.

True out-of-phase operation reduces input ripple-current

requirements and output-voltage ripple while easing

component selection and layout difficulties. The Quick-

PWM control provides instantaneous response to fast

load-current steps. Active voltage positioning reduces

power dissipation and bulk output capacitance require-

ments and allows ideal positioning compensation for tan-

talum, polymer, or ceramic bulk output capacitors.

The MAX17030/MAX17036 are intended for bucking

down the battery directly to create the core voltage.

The single-stage conversion method allows this device

to directly step down high-voltage batteries for the

highest possible efficiency.

A slew-rate controller allows controlled transitions

between VID codes. A thermistor-based temperature

sensor provides programmable thermal protection. An

output current monitor provides an analog current out-

put proportional to the sum of the inductor currents,

which in steady state is the same as the current con-

sumed by the CPU.

Applications

IMVP-6.5 SV and XE Core Power Supplies

High-Current Voltage-Positioned Step-Down

Converters

3 to 4 Li+ Cells Battery to CPU Core Supply

Converters

Notebooks/Desktops/Servers

Features

o Triple/Dual-Phase Quick-PWM Controllers

o 2 Internal Drivers + 1 External Driver

o ±0.5% V

OUT

Accuracy Over Line, Load, and

Temperature

o 7-Bit IMVP-6.5 DAC

o Dynamic Phase Selection Optimizes Active/Sleep

Efficiency

o Transient Phase Overlap Reduces Output

Capacitance

o Transient Suppression Feature (MAX17036 Only)

o Integrated Boost Switches

o Active Voltage Positioning with Adjustable Gain

o Accurate Lossless Current Balance and

Current Limit

o Remote Output and Ground Sense

o Adjustable Output Slew-Rate Control

o Power-Good (IMVPOK), Clock Enable (CLKEN),

and Thermal-Fault (VRHOT) Outputs

o IMVP-6.5 Power Sequencing and Timing

Compliant

o Output Current Monitor (IMON)

o Drives Large Synchronous Rectifier FETs

o 7V to 26V Battery Input Range

o Adjustable Switching Frequency (600kHz max)

o Undervoltage, Overvoltage, and Thermal-Fault

Protection

MAX17030/MAX17036

1/2/3-Phase Quick-PWM

IMVP-6.5 VID Controllers

________________________________________________________________

Maxim Integrated Products

BST1

LX1

DL1

DH2

LX2

BST2

VRHOT

DL2

DH1

THRM

IMON

ILIM

TIME

FBAC

GNDS

CSP3

CSN3

SHDN

TON

DRSKP

PWM3

DPRSLPVR

PSI

CSP2

CSN2

CSP1

PGD_IN

CSN1

PWRGD

MAX17030

MAX17036

THIN QFN

5mm x 5mm

TOP VIEW

12 4 567

27282930 26 24 23 22

8910

CLKEN

Pin Configuration

Ordering Information

19-4577; Rev 0; 4/09

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

EVALUATION KIT

AVAILABLE

PART TEMP RANGE PIN-PACKAGE

MAX17030GTL+ -40°C to +105°C 40 TQFN-EP*

MAX17036GTL+ -40°C to +105°C 40 TQFN-EP*

Denotes a lead-free(Pb)/RoHS-compliant package.

EP = Exposed pad.

Quick-PWM is a trademark of Maxim Integrated Products, Inc.

1 2 3 4 5 6 ... 37 38

Inhaltsverzeichnis

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General DescriptionThe MAX17030/MAX17036 are 3/2-phase interleavedQuick-PWM™ step-down VID power-supply controllersfor IMVP-6.5 notebook CPUs. Two int

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