Datasheet > ADP3338

ADP3338

更新时间： 2022-12-12 23:22:09

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
8页	144K
描述
High-Accuracy Ultralow IQ, 1 A, anyCAP Low Dropout Regulator

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ADP3338 数据手册

High-Accuracy Ultralow I_Q, 1 A, anyCAP

Low Dropout Regulator

ADP3338

FUNCTIONAL BLOCK DIAGRAM

FEATURES

High Accuracy Over Line and Load: ꢀ0.8% @ 25ꢁC,

ꢀ1.4% Over Temperature

Ultralow Dropout Voltage: 190 mV (Typ) @ 1 A

Requires Only C_O= 1 ꢂF for Stability

anyCAP = Stable with Any Type of Capacitor

(Including MLCC)

OUT

ADP3338

THERMAL

PROTECTION

DRIVER

Current and Thermal Limiting

Low Noise

BANDGAP

REF

2.7 V to 8 V Supply Range

–40ꢁC to +85ꢁC Ambient Temperature Range

SOT-223 Package

GND

APPLICATIONS

Notebook, Palmtop Computers

SCSI Terminators

Battery-Powered Systems

Bar Code Scanners

Camcorders, Cameras

Home Entertainment Systems

Networking Systems

DSP/ASIC Supply

GENERAL DESCRIPTION

ADP3338

The ADP3338 is a member of the ADP33xx family of precision

low dropout anyCAP voltage regulators. The ADP3338 oper-

ates with an input voltage range of 2.7 V to 8 V and delivers a

load current up to 1 A. The ADP3338 stands out from the

conventional LDOs with a novel architecture and an enhanced

process that enables it to offer performance advantages and

higher output current than its competition. Its patented design

requires only a 1 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) types for space-restricted applications. The

ADP3338 achieves exceptional accuracy of 0.8% at room

temperature and 1.4% over temperature, line and load varia-

tions. The dropout voltage of the ADP3338 is only 190 mV

(typical) at 1 A. This device also includes a safety current limit

and thermal overload protection. The ADP3338 has ultralow

quiescent current 110 µA (typical) in light load situations.

OUT

1ꢂF

GND

Figure 1. Typical Application Circuit

anyCAP is a registered trademark of Analog Devices Inc.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

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

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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

under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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