ADP3335ARMZ-2.85RL

更新时间： 2024-01-29 16:03:38

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
16页	263K
描述
High Accuracy, Ultralow IQ, 500 mA, anyCAP Low Dropout Regulator

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ADP3335ARMZ-2.85RL 数据手册

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High Accuracy, Ultralow I_Q, 500 mA,

anyCAP Low Dropout Regulator

Data Sheet

ADP3335

FEATURES

FUNCTIONAL BLOCK DIAGRAM

High accuracy over line and load: 0.9% at 25°C, 1.8% over

temperature

Ultralow dropout voltage: 200 mV (typical) at 500 mA

Requires only C_O= 1.0 µF for stability

anyCAP® = stable with any type of capacitor (including MLCC)

Current and thermal limiting

OUT

ADP3335

THERMAL

PROTECTION

DRIVER

BANDGAP

REF

Low noise

–

Low shutdown current: < 10 nA (typical)

2.6 V to 12 V supply range

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

GND

Figure 1.

APPLICATIONS

PCMCIA cards

Cellular phones

ADP3335

Camcorders, cameras

Networking systems, DSL/cable modems

Cable set-top box

OUT

1µF

OUT

1µF

GND

MP3/CD players

DSP supplies

OFF

Figure 2. Typical Application Circuit

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) 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.

Rev. C

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

12 3 4 5 6 7...16

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