ADP225CP-EVALZ Analog Devices, ADP225CP-EVALZ Datasheet

ADP225CP-EVALZ

Manufacturer Part Number

ADP225CP-EVALZ

Description

Power Management IC Development Tools Dual 300mA LDO Adj eval board

Manufacturer

Analog Devices

Type

Linear Regulators - Standardr

Series

ADP225r

Datasheet

1.ADP225CP-EVALZ.pdf (24 pages)

Specifications of ADP225CP-EVALZ

Rohs

yes

Tool Is For Evaluation Of

ADP225

Input Voltage

5.5 V

Output Current

300 mA

Factory Pack Quantity

Current page: 1 of 24
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Data Sheet

FEATURES

Input voltage range: 2.5 V to 5.5 V

Small, 8-lead, 2 mm × 2 mm LFCSP package

Initial accuracy: ±1%

High PSRR: 70 dB at 10 kHz, 60 dB at 100 kHz, 40 dB at 1 MHz

Low noise: 27 µV rms at V

Excellent transient response

Low dropout voltage: 170 mV at 300 mA load

65 µA typical ground current at no load, both LDOs enabled

Fixed output voltage from 0.8 V to 3.3 V (ADP222/ADP224)

Adjustable output voltage range from 0.5 V to 5.0 V

Quick output discharge

Overcurrent and thermal protection

APPLICATIONS

Portable and battery-powered equipment

Portable medical devices

Post dc-to-dc regulation

Point of sale terminals

Credit card readers

Automatic meter readers

Wireless network equipment

GENERAL DESCRIPTION

The 300 mA, adjustable dual output

fixed dual output

noise, low quiescent current, and low dropout voltage in a

voltage regulator that is ideally suited for wireless applications

with demanding performance and board space requirements.

The

from 0.8V to 3.3V. The adjustable output

be set to output voltages from 0.5 V to 5.0 V. The low quiescent

current, low dropout voltage, and wide input voltage range of

the

of portable devices.

The

supply rejection greater than 60 dB for frequencies as high as

Rev. D

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 registered trademarks are the property of their respective owners.

(ADP223/ADP225)

ADP222/ADP223/ADP224/ADP225

ADP222/ADP224

ADP222/ADP223/ADP224/ADP225

ADP222/ADP224

are available with fixed outputs voltages

(QOD)—ADP224/ADP225

OUT

= 1.2 V, 50 µV rms at V

ADP223/ADP225

combine high PSRR, low

extend the battery life

ADP223/ADP225

maintain power

Document Feedback

OUT

and

= 2.8 V

may

ADP222/ADP223/ADP224/ADP225

Dual, 300 mA Output, Low Noise,

High PSRR Voltage Regulators

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

Tel: 781.329.4700

Technical Support

100 kHz while operating with a low headroom voltage. The

ADP222/ADP223/ADP224/ADP225

performance than competing LDOs without the need for a

noise bypass capacitor. Overcurrent and thermal protection

circuitry prevent damage in adverse conditions.

The

ADP223, respectively, but with the addition of a quick output

discharge (QOD) feature.

The

small 8-lead, 2 mm × 2 mm LFCSP package and are stable with

tiny 1 µF, ±30% ceramic output capacitors, resulting in the smallest

possible board area for a wide variety of portable power needs.

ADP224

ADP222/ADP223/ADP224/ADP225

OFF

= 4.2V

+ C1

TYPICAL APPLICATION CIRCUITS

1µF

and

ADP225

EN1

EN2

GND

ADJ2

EN1

EN2

GND

SENSE2

Figure 1.

Figure 2.

ADP223/

ADP222/

ADP225

ADP224

are identical to the

SENSE1

ADP223/ADP225

ADP222/ADP224

VOUT1

VOUT2

VOUT1

VOUT2

ADJ1

VIN

offer much lower noise

are available in a

VOUT1 = 2.8V

VOUT2 = 3.3V

+ C2

ADP222

VOUT2 = 2.0V

VOUT1 = 1.5V

1µF

+ C3

www.analog.com

1µF

and

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