ADP225CP-EVALZ Analog Devices, ADP225CP-EVALZ Datasheet
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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
1
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
V
V
IN
IN
OFF
OFF
OFF
OFF
= 4.2V
= 4.2V
+ C1
+ C1
TYPICAL APPLICATION CIRCUITS
ON
ON
ON
ON
1µF
1µF
and
ADP225
©2011–2013 Analog Devices, Inc. All rights reserved.
1
2
3
4
1
2
3
4
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
VIN
8
7
6
5
8
7
6
5
offer much lower noise
R3
R4
R2
R1
are available in a
VOUT1 = 2.8V
VOUT2 = 3.3V
+ C2
+ C2
ADP222
VOUT2 = 2.0V
VOUT1 = 1.5V
1µF
1µF
+ C3
+ C3
www.analog.com
1µF
1µF
and