Datasheet > 电源电路 > 线性稳压器IC> ADP170AUJZ-1.5-R7

ADP170AUJZ-1.5-R7

更新时间： 2024-09-13 12:27:59

品牌	Logo	应用领域
亚德诺 - ADI		线性稳压器IC 调节器电源电路光电二极管输出元件
页数	文件大小	规格书
20页	538K
描述
300 mA, Low Quiescent Current, CMOS Linear Regulators

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300 mA, Low Quiescent Current,

CMOS Linear Regulators

ADP170/ADP171

TYPICAL APPLICATION CIRCUITS

FEATURES

Maximum output current: 300 mA

Input voltage range: 1.6 V to 3.6 V

Low quiescent current

OUT

VIN

VOUT

ADP170

GND

_GND= 23 μA with 0 mA load

_GND= 170 μA with 300 mA load

Low shutdown current: <1 μA

OFF

Low dropout voltage: 66 mV at 300 mA load

Output voltage accuracy: 1ꢀ

Up to 31 fixed-output voltage options available from 0.8 V to

3.0 V

Figure 1. ADP170 with Fixed Output Voltage, 1.8 V

= 2.3V

= 1.8V

Adjustable-output voltage range

0.8 V to 3.0 V (ADP171)

OUT

VIN

VOUT

ADJ

OUT

1µF

ADP171

GND

1µF

Accuracy over line, load, and temperature: 3ꢀ

Stable with small 1 μF ceramic output capacitor

PSRR performance of 70 dB at 10 kHz and 73 dB at 1 kHz

Low noise: 30 μV rms at V_OUT= 0.8 V

Current limit and thermal overload protection

Logic-controlled enable

OFF

Figure 2. ADP171 with Adjustable Output Voltage

Compact 5-lead TSOT package

APPLICATIONS

Mobile phones

Digital camera and audio devices

Portable and battery-powered equipment

DSP/FPGA/microprocessor supplies

Post dc-dc regulation

GENERAL DESCRIPTION

The ADP170/ADP171 are low voltage input, low quiescent

current, low-dropout (LDO) linear regulators that operate from

1.6 V to 3.6 V and provide up to 300 mA of output current. The

low 66 mV dropout voltage at 300 mA load improves efficiency

and allows operation over a wide input voltage range. The low

23 μA of quiescent current at a 0 mA load makes the ADP170/

ADP171 ideal for battery-operated portable equipment.

performance and occupy minimal board space. Compared with

commodity types of LDOs, the ADP170/ADP171 provide 20 dB

to 40 dB better power supply rejection ratio (PSRR) at 100 kHz,

making the ADP170/ADP171 an ideal power source for analog-

to-digital converter (ADC) mixed-signal processor systems and

allowing use of smaller size bypass capacitors. In addition, low

output noise performance without the need for an additional

bypass capacitor further reduces printed circuit board (PCB)

component count.

The ADP170 is capable of 31 fixed-output voltage options, ranging

from 0.8 V to 3.0 V. ADP171 is an adjustable version, which allows

output voltages that range from 0.8 V to 3.0 V via an external

divider. The ADP170/ADP171 are optimized for stable operation

with small 1 μF ceramic output capacitors. Ideal for powering

digital processors, the ADP170/ADP171 exhibit good transient

Short-circuit protection and thermal overload protection circuits

prevent damage in adverse conditions. The ADP170/ADP171

are available in tiny 5-lead TSOT for the smallest footprint

solution to meet a variety of portable power applications.

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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

www.analog.com

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ADP170AUJZ-1.5-R7 替代型号

型号	品牌	替代类型	描述	数据表
ADP1712AUJZ-1.5-R7	ADI	类似代替	300 mA, Low Dropout CMOS Linear Regulator
ADP121-AUJZ15R7	ADI	类似代替	150 mA, Low Quiescent Current, CMOS Linear Regulator
ADP151AUJZ-1.5-R7	ADI	类似代替	Ultralow Noise,200 mA, CMOS Linear Regulator

与ADP170AUJZ-1.5-R7相关器件

型号	品牌	获取价格	描述	数据表
ADP170AUJZ-1.8-R7	ADI	获取价格	300 mA, Low Quiescent Current, CMOS Linear Regulators
ADP170AUJZ-2.5-R7	ADI	获取价格	300 mA, Low Quiescent Current, CMOS Linear Regulators
ADP170AUJZ-2.8-R7	ADI	获取价格	300 mA, Low Quiescent Current, CMOS Linear Regulators
ADP170-BL1-EVZ	ADI	获取价格	300 mA, Low Quiescent Current, CMOS Linear Regulators
ADP171	ADI	获取价格	300mA，低静态电流，CMOS线性稳压器
ADP1710	ADI	获取价格	150 mA, Low Dropout, CMOS Linear Regulator
ADP1710_15	ADI	获取价格	150 mA, Low Dropout, CMOS Linear Regulator
ADP1710AUJZ-0.75R7	ADI	获取价格	150 mA, Low Dropout, CMOS Linear Regulator
ADP1710AUJZ-0.85R7	ADI	获取价格	150 mA, Low Dropout, CMOS Linear Regulator
ADP1710AUJZ-0.8-R7	ADI	获取价格	150 mA, Low Dropout, CMOS Linear Regulator

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