ADP3335ARM-18 Analog Devices, ADP3335ARM-18 Datasheet

ADP3335ARM-18

Manufacturer Part Number

ADP3335ARM-18

Description

High Accuracy Ultralow IQ/ 500 mA anyCAP Low Dropout Regulator

Manufacturer

Analog Devices

Datasheet

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Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

GENERAL DESCRIPTION

The ADP3335 is a member of the ADP330x family of precision

low dropout anyCAP voltage regulators. The ADP3335 operates

with an input voltage range of 2.6 V to 12 V and delivers a con-

tinuous load current up to 500 mA. The ADP3335 stands out

from conventional LDOs with the lowest thermal resistance of

any MSOP-8 package and an enhanced process that enables it

to offer performance advantages beyond its competition. Its

patented design requires only a 1.0 µF output capacitor for sta-

bility. This device is insensitive to output capacitor Equivalent

Series Resistance (ESR), and is stable with any good quality

capacitor, including ceramic (MLCC) types for space-restricted

applications. The ADP3335 achieves exceptional accuracy of

± 0.9% at room temperature and ± 1.8% over temperature, line,

and load. The dropout voltage of the ADP3335 is only 200 mV

(typical) at 500 mA. This device also includes a safety current

limit, thermal overload protection and a shutdown feature. In

shutdown mode, the ground current is reduced to less than

1 µA. The ADP3335 has ultralow quiescent current 80 µA

(typical) in light load situations.

anyCAP is a registered trademark of Analog Devices Inc.

FEATURES

High Accuracy Over Line and Load:

Ultralow Dropout Voltage: 200 mV (Typ) @ 500 mA

Requires Only C

anyCAP = Stable with Any Type of Capacitor

Current and Thermal Limiting

Low Noise

Low Shutdown Current: < 1.0 A

2.6 V to 12 V Supply Range

–40 C to +85 C Ambient Temperature Range

Ultrasmall Thermally-Enhanced 8-Lead MSOP Package

APPLICATIONS

PCMCIA Card

Cellular Phones

Camcorders, Cameras

Networking Systems, DSL/Cable Modems

Cable Set-Top Box

MP3/CD Players

DSP Supply

(Including MLCC)

1.8% Over Temperature

= 1.0 F for Stability

0.9% @ 25 C,

High Accuracy Ultralow I

anyCAP

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

PROTECTION

THERMAL

Figure 1. Typical Application Circuit

FUNCTIONAL BLOCK DIAGRAM

1 F

Low Dropout Regulator

OFF

World Wide Web Site: http://www.analog.com

DRIVER

GND

ADP3335

OUT

GND

ADP3335

BANDGAP

1 F

OUT

, 500 mA

REF

OUT

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