Datasheet > ADP124ACPZ-3.3

ADP124ACPZ-3.3

更新时间： 2024-11-23 19:45:59

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管输出元件调节器
页数	文件大小	规格书
20页	1150K
描述
3.3V FIXED POSITIVE LDO REGULATOR, 0.23V DROPOUT, PDSO8

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ADP124ACPZ-3.3 数据手册

5.5 V Input, 500 mA, Low Quiescent

Current, CMOS Linear Regulators

Data Sheet

ADP124/ADP125

FEATURES

TYPICAL APPLICATION CIRCUITS

Input voltage supply range: 2.3 V to 5.5 V

500 mA maximum output current

Fixed and adjustable output voltage versions

1% initial accuracy

Up to 31 fixed-output voltage options available

from 1.75 V to 3.3 V

Adjustable-output voltage range from 0.8 V to 5.0 V

Very low dropout voltage: 130 mV

VOUT

VIN

OUT

= 3.3V

= 5.5V

ADP124

VOUT

VIN

VOUT

SENSE

GND

OFF

Figure 1. ADP124 with Fixed Output Voltage

Low quiescent current: 45 µA

Low shutdown current: <1 µA

OUT

= 3.3V

VOUT

VIN

= 5.5V

Excellent PSRR performance: 60 dB at 100 kHz

Excellent load/line transient response

Optimized for small 1.0 μF ceramic capacitors

Current limit and thermal overload protection

Logic controlled enable

ADP125

VOUT

VIN

ADJ

GND

OFF

Compact 8-lead exposed paddle MSOP and LFCSP packages

APPLICATIONS

Figure 2. ADP125 with Adjustable Output Voltage

Digital camera and audio devices

Portable and battery-powered equipment

Automatic meter reading (AMR) meters

GPS and location management units

Medical instrumentation

Point of load power

GENERAL DESCRIPTION

The ADP124/ADP125 are low quiescent current, low dropout

linear regulators. They are designed to operate from an input

voltage between 2.3 V and 5.5 V and to provide up to 500 mA

of output current. The low 130 mV dropout voltage at a 500 mA

load improves efficiency and allows operation over a wide input

voltage range.

The ADP124/ADP125 are specifically designed for stable

operation with tiny 1 µF ceramic input and output capacitors to

meet the requirements of high performance, space constrained

applications.

The ADP124/ADP125 have an internal soft start that gives a

constant start-up time of 350 µs. Short-circuit protection and

thermal overload protection circuits prevent damage in adverse

conditions. The ADP124/ADP125 are available in 8-lead

exposed paddle MSOP and LFCSP packages. When compared

with the standard MSOP and LFCSP packages, the exposed

paddle MSOP and LFCSP packages have lower thermal resistance

(θ_JA). The lower thermal resistance package allows the ADP124/

ADP125 to meet the needs of a variety of portable applications

while minimizing the rise in junction temperature.

The low 210 μA of quiescent current with a 500 mA load makes the

ADP124/ADP125 ideal for battery-operated portable equipment.

The ADP124 is capable of 31 fixed-output voltages from 1.75 V

to 3.3 V. The ADP125 is the adjustable version of the device and

allows the output voltage to be set between 0.8 V and 5.0 V by

an external voltage divider.

Rev. D

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

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与ADP124ACPZ-3.3相关器件

型号	品牌	获取价格	描述	数据表
ADP124ACPZ-3.3-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-1.8-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-2.5-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-2.7-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-2.85-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-2.8-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-2.9-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-3.0-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124ARHZ-3.3-R7	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
ADP124CP-3.3-EVALZ	ADI	获取价格	5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators

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