General Description

The MAX8510/MAX8511/MAX8512 ultra-low-noise, low-

dropout (LDO) linear regulators are designed to deliver up

to 120mA continuous output current from a tiny 5-pin

SC70 plastic package. These regulators achieve a low

120mV dropout for 120mA load current. The MAX8510

uses an advanced architecture to achieve ultra-low output

The MAX8511 does not require a bypass capacitor,

hence achieving the smallest PC board area. The

MAX8512’s output voltage can be adjusted with an

external divider.

The MAX8510/MAX8511 are preset to a variety of volt-

ages in the 1.5V to 4.5V range. Designed with a P-

channel MOSFET series pass transistor, the MAX8510/

MAX8511/MAX8512 maintain very low ground current

(40µA).

The regulators are designed and optimized to work with

low-value, low-cost ceramic capacitors. The MAX8510

requires only 1µF (typ) of output capacitance for stability

with any load. When disabled, current consumption drops

to below 1µA.

Applications

Cellular and Cordless Phones

PDA and Palmtop Computers

Base Stations

Bluetooth Portable Radios and Accessories

Wireless LANs

Digital Cameras

Personal Stereos

Portable and Battery-Powered Equipment

Features

♦ Space-Saving 5-Pin SC70 Package

Bandwidth (MAX8510)

♦ 78dB PSRR at 1kHz (MAX8510)

♦ 120mV Dropout at 120mA Load

♦ Stable with 1µF Ceramic Capacitor for Any Load

♦ Guaranteed 120mA Output

♦ Only Need Input and Output Capacitors (MAX8511)

♦ Output Voltages: 1.5V, 1.8V, 2.5V, 2.6V, 2.7V, 2.8V,

2.85V, 3V, 3.3V, 4.5V (MAX8510/MAX8511) and

Adjustable (MAX8512)

♦ Low 40µA Ground Current

♦ Excellent Load/Line Transient

♦ Overcurrent and Thermal Protection

Ultra-Low-Noise, High PSRR,

Low-Dropout,120mA Linear Regulators in SC70

________________________________________________________________ Maxim Integrated Products

1

GND

BP (MAX8510)

N.C. (MAX8511)

FB (MAX8512)

SHDN

15

OUT

IN

MAX8510

MAX8511

MAX8512

SC70-5

TOP VIEW

2

34

Pin Configuration

Ordering Information

MAX8510

OUTPUT PRESET

1.5V TO 4.5V

IN

INPUT

2V TO 6V

OFF

SHDN

OUT

ON

BP

GND

Typical Operating Circuits

19-2732; Rev 1; 6/04

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.

*xy is the output voltage code (see Output Voltage Selector

Guide). Other versions between 1.5V and 4.5V are available in

100mV increments. Contact factory for other versions.

PART*

TEMP RANGE

PIN-PACKAGE

MAX8510EXKxy-T

-40°C to +85°C

5 SC70-5

MAX8511EXKxy-T

-40°C to +85°C

5 SC70-5

MAX8512EXK-T

-40°C to +85°C

5 SC70-5

Typical Operating Circuits continued at end of data sheet.

Output Voltage Selector Guide appears at end of data sheet.