Datasheet > ADP3309

ADP3309

更新时间： 2024-11-18 22:53:39

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	123K
描述
anyCAP⑩ 100 mA Low Dropout Linear Regulator

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中文翻译

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ADP3309 数据手册

anyCAP™ 100 mA

Low Dropout Linear Regulator

ADP3309

FEATURES

FUNCTIONAL BLOCK DIAGRAM

؎1.2% Accuracy Over Line and Load Regulations @ +25؇C

Ultralow Dropout Voltage: 120 mV Typical @ 100 mA

Requires Only C_O= 0.47 ␮F for Stability

anyCAP = Stable with All Types of Capacitors

(Including MLCC)

Current and Thermal Limiting

Low Noise

Low Shutdown Current: 1 ␮A

3.0 V to 12 V Supply Range

ADP3309

OUT

THERMAL

PROTECTION

ERR/NC

DRIVER

BANDGAP

REF

–20؇C to +85؇C Ambient Temperature Range

Several Fixed Voltage Options

Ultrasmall SOT-23-5 Package

GND

Excellent Line and Load Regulations

APPLICATIONS

Cellular Telephones

Notebook, Palmtop Computers

Battery Powered Systems

PCMCIA Regulator

Bar Code Scanners

Camcorders, Cameras

GENERAL DESCRIPTION

120 mV (typical) at 100 mA. This device also includes a current

limit and a shutdown feature. In shutdown mode, the ground

current is reduced to ~1 µA.

The ADP3309 is a member of the ADP330x family of precision

low dropout anyCAP voltage regulators. It is pin-for-pin and

functionally compatible with National’s LP2981, but offers

performance advantages. The ADP3309 stands out from con-

ventional LDOs with a novel architecture and an enhanced

process. Its patented design requires only a 0.47 µF output

capacitor for stability. This device is stable with any type of

capacitor regardless of its ESR (Equivalent Series Resistance)

value, including ceramic types for space restricted applications.

The ADP3309 achieves ±1.2% accuracy at room temperature

and ±2.2% overall accuracy over temperature, line and load

regulations. The dropout voltage of the ADP3309 is only

The ADP3309 operates with a wide input voltage range from

3.0 V to 12 V and delivers a load current in excess of 100 mA.

The ADP3309 anyCAP LDO offers a wide range of output

voltages. For a 50 mA version, refer to the ADP3308 data sheet.

ERR/NC

ADP3309-3.3

OUT

= +3.3V

OUT

–

0.47␮F

OFF

GND

Figure 1. Typical Application Circuit

anyCAP is a 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, 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.

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

Tel: 781/329-4700

Fax: 781/326-8703

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

12 3 4 5 6 7 8

中文翻译

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与ADP3309相关器件

型号	品牌	获取价格	描述	数据表
ADP3309ART-2.5	ETC	获取价格	Analog IC
ADP3309ART-2.5-REEL	ADI	获取价格	IC VREG 2.5 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5, MO-178AA, SOT-23, 5 PIN
ADP3309ART-2.5-REEL7	ADI	获取价格	anyCAP 100 mA Low Dropout Linear Regulator
ADP3309ART-2.5-RL	ADI	获取价格	anyCAP 100 mA Low Dropout Linear Regulator
ADP3309ART-2.5-RL7	ADI	获取价格	anyCAP 100 mA Low Dropout Linear Regulator
ADP3309ART-2.5-RL7	ROCHESTER	获取价格	2.5 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5, ULTRA SMALL, SOT-23, 5 PIN
ADP3309ART-2.7	ETC	获取价格	Positive Fixed Voltage Regulator
ADP3309ART-2.7-REEL7	ADI	获取价格	IC VREG 2.7 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5, MO-178AA, SOT-23, 5 PIN
ADP3309ART-2.7-RL	ADI	获取价格	anyCAP 100 mA Low Dropout Linear Regulator
ADP3309ART-2.7-RL7	ADI	获取价格	anyCAP 100 mA Low Dropout Linear Regulator

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