ADP3335ARMZ285R7 Analog Devices, ADP3335ARMZ285R7 Datasheet

ADP3335ARMZ285R7

Manufacturer Part Number

ADP3335ARMZ285R7

Description

SOP8

Manufacturer

Analog Devices

Datasheet

1.ADP3335ARMZ285R7.pdf (16 pages)

Specifications of ADP3335ARMZ285R7

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FEATURES

High accuracy over line and load: ±0.9% @ 25°C,

Ultralow dropout voltage: 200 mV (typ) @ 500 mA

Requires only C

anyCAP = stable with any type of capacitor

(Including MLCC)

Current and thermal limiting

Low noise

Low shutdown current: < 10 nA (typ)

2.6 V to 12 V supply range

–40°C to +85°C ambient temperature range

APPLICATIONS

PCMCIA cards

Cellular phones

Camcorders, cameras

Networking systems, DSL/cable modems

Cable set-top box

MP3/CD players

DSP supplies

GENERAL DESCRIPTION

The ADP3335 is a member of the ADP333x family of precision,

low dropout, anyCAP voltage regulators. It operates with an

input voltage range of 2.6 V to 12 V, and delivers a continuous

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

conventional low dropout regulators (LDOs) by using an

enhanced process enabling it to offer performance advantages

beyond its competition. Its patented design requires only a

1.0 μF output capacitor for stability. This device is insensitive to

output capacitor equivalent series resistance (ESR), and is stable

with any good quality capacitor—including ceramic (MLCC)

Rev. B

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

±1.8% over temperature

= 1.0 μF for stability

High Accuracy, Ultralow I

anyCAP

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

Tel: 781.329.4700

Fax: 781.461.3113

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 a low quiescent current of 80 μA

(typical) in light load situations.

PROTECTION

THERMAL

FUNCTIONAL BLOCK DIAGRAM

1μF

Low Dropout Regulator

Figure 2. Typical Application Circuit

OFF

DRIVER

GND

ADP3335

Figure 1.

OUT

GND

ADP3335

BANDGAP

1μF

ADP3335

, 500 mA,

OUT

REF

www.analog.com

OUT

–

OUT

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