MAX17036 datasheet(1/38 Pages) MAXIM

Part #	MAX17036

Description	1/2/3-Phase Quick-PWM IMVP-6.5 VID Controllers

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Manufacturer	MAXIM [Maxim Integrated Products]

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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% VOUT 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

1/2/3-Phase Quick-PWM

IMVP-6.5 VID Controllers

________________________________________________________________

Maxim Integrated Products

1

SHDN

TON

DRSKP

PWM3

DPRSLPVR

PSI

CSP2

CSN2

CSP1

D6

D5

D4

D3

D2

D1

D0

PGD_IN

CSN1

PWRGD

MAX17030

MAX17036

THIN QFN

5mm x 5mm

+

TOP VIEW

35

36

34

33

12

11

13

14

12

4

5

6

7

27

28

29

30

26

24 23

22

3

25

37

38

39

40

32

15

31

16

17

18

19

20

89

10

21

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.

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