General Description

The MAX1510 DDR linear regulator sources and sinks up

to 3A peak (typ) using internal n-channel MOSFETs. This

linear regulator delivers an accurate 0.5V to 1.5V output

MAX1510 uses a separate 3.3V bias supply to power the

control circuitry and drive the internal n-channel

MOSFETs.

The MAX1510 provides current and thermal limits to

prevent damage to the linear regulator. Additionally,

the MAX1510 generates a power-good (PGOOD) signal

to indicate that the output is in regulation. During start-

up, PGOOD remains low until the output is in regulation

for 2ms (typ). The internal soft-start limits the input

surge current.

The MAX1510 powers the active-DDR termination bus

that requires a tracking input reference. The MAX1510

can also be used in low-power chipsets and graphics

processor cores that require dynamically adjustable

output voltages. The MAX1510 is available in a 10-pin

3mm x 3mm thin DFN package.

Applications

Notebook/Desktop Computers

DDR Memory Termination

Active Termination Buses

Graphics Processor Core Supplies

Chipset/RAM Supplies as Low as 0.5V

Features

o Internal Power MOSFETs with Current Limit (3A typ)

o Fast Load-Transient Response

o External Reference Input with Reference

Output Buffer

o 1.1V to 3.6V Power Input

o ±15mV (max) Load-Regulation Error

o Thermal Fault Protection

o Shutdown Input

o Power-Good Window Comparator with 2ms

(typ) Delay

o Small, Low-Profile 10-Pin 3mm x 3mm TDFN

Package

o Ceramic or Polymer Output Capacitors

Low-Voltage DDR Linear Regulator

________________________________________________________________ Maxim Integrated Products

1

Ordering Information

OUT

IN

OUTS

AGND

PGND

(1.1V TO 3.6V)

(2.7V TO 3.6V)

(2.5V OR 1.8V)

REFOUT

MAX1510

PGOOD

SHDN

REFIN

Typical Operating Circuit

19-3279; Rev 0; 5/04

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

EVALUATION

KIT

AVAILABLE

PART

TEMP RANGE

PIN-

PACKAGE

TOP

MARK

MAX1510ETB

-40

°C to +85°C

10 TDFN

(3mm x 3mm)

ABD

SHDN

OUTS

PGOOD

2

3

9

8

OUT

PGND

AGND

REFIN

TDFN

3mm x 3mm

TOP VIEW

4

5

7

6

1

IN

REFOUT

MAX1510

10

Pin Configuration