ADPL42002ACPZN1.8-R7 datasheet(1/22 Pages) AD

部件名	ADPL42002ACPZN1.8-R7

功能描述	20V, 200mA, Low Noise, CMOS LDO Linear Regulator

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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Data Sheet

ADPL42002

20V, 200mA, Low Noise, CMOS LDO Linear Regulator

Rev. 1

DOCUMENT FEEDBACK

One Analog Wa y, Wilmington, MA 01887 -2356, U.S.A.

Tel: 781.329.47 00

TECHNICAL SUPPORT

FEATURES



Low Noise: 20µVRMS Independent of Fixed Output

Voltage



PSRR of 78dB at 10kHz, VOUT ≤ 5V, VIN = 7V



Input Voltage Range: 2.7V to 20V



Maximum Output Current: 200mA



Initial Accuracy: ±1%



Accuracy Over Line, Load, and Temperature



±1.8%, TJ = −40°C to +125°C



Low Dropout Voltage: 220mV (typical) at a 200mA

Load, VOUT = 5V



User Programmable Soft Start



Low Quiescent Current, IGND = 80μA (typical) with

no Load



Low Shutdown Current: 1.8μA at VIN = 5V, 3.0μA

at VIN = 20V



Stable with a Small 2.2µF Ceramic Output

Capacitor



Fixed Output Voltage Options: 1.8V, 2.5V, 3.3V,

and 5V



Adjustable Output from 1.2V to VIN – VDO, Output

can be Adjusted Above Initial Set Point



Precision Enable



6-Lead LFCSP (2mm x 2mm), 8-Lead SOIC

APPLICATIONS



Regulation to Noise Sensitive Applications



ADC and DAC Circuits, Precision Amplifiers,

Power for VCO VTUNE Control



Communications and Infrastructure



Medical and Healthcare



Industrial and Instrumentation

GENERAL DESCRIPTION

The ADPL42002 is a CMOS, low dropout (LDO) linear

regulator that operates from 2.7V to 20V and provides

up to 200mA of output current. This high input voltage

LDO is ideal for the regulation of high-performance

analog and mixed-signal circuits operating from 19V

down to 1.2V rails. Using an advanced proprietary

architecture, the device provides high power supply

rejection, low noise, and achieves excellent line and

load transient response with a small 2.2µF ceramic

output capacitor. The ADPL42002 regulator output

noise is 20μVRMS independent of the output voltage for

the fixed options of 5V or less.

The ADPL42002 is available in four fixed output voltage

options. The following voltages are available from

stock: 1.2V (adjustable), 1.8V, 2.5V, 3.3V, and 5.0V.

Each fixed output voltage can be adjusted above the

initial set point with an external feedback divider. This

allows the ADPL42002 to provide an output voltage from

1.2V to VIN − VDO with high PSRR and low noise.

User programmable soft start with an external capacitor

is available.

The ADPL42002 is available in a 6-lead, 2mm x 2mm

LFCSP, making it not only a very compact solution, but

it also provides excellent thermal performance for

applications requiring up to 200mA of output current in

a small, low-profile footprint. The ADPL42002 is also

available in an 8-lead SOIC.

TYPICAL APPLICATION CIRCUITS

Figure 1. ADPL42002 with Fixed Output Voltage, 5V

Figure 2. ADPL42002 with 5V Output Adjusted to 6V

GND

EN

SS

VIN

VOUT

ADPL42002

ON

OFF

VIN = 6V

VOUT = 5V

SENSE/ADJ

CIN

2.2µF

COUT

2.2µF

CSS

1nF

GND

EN

SS

VIN

VOUT

ADPL42002

ON

OFF

VIN = 7V

VOUT = 6V

SENSE/ADJ

CIN

2.2µF

COUT

2.2µF

CSS

1nF

2kΩ

10kΩ

类似零件编号 - ADPL42002ACPZN1.8-R7

制造商	部件名	数据表	功能描述
Analog Devices	ADPL42002	1Mb / 12P	ADPL42002 Evaluation Boards Rev. 0

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