ADP7112ACBZ-1.2-R7 datasheet(1/21 Pages) AD

部件名	ADP7112ACBZ-1.2-R7

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

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制造商	AD [Analog Devices]

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20 V, 200 mA, Low Noise,

CMOS LDO Linear Regulator

Data Sheet

ADP7112

Rev. D

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FEATURES

Low noise: 11 μV rms independent of fixed output voltage

PSRR of 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz,

VOUT = 5 V, VIN = 7 V

Input voltage range: 2.7 V to 20 V

Maximum output current: 200 mA

Initial accuracy: ±0.8%

Accuracy over line, load, and temperature

±1.8%, TJ = −40°C to +125°C

Low dropout voltage: 200 mV (typical) at a 200 mA load,

VOUT = 5 V

User-programmable soft start

Low quiescent current, IGND = 50 μA (typical) with no load

Low shutdown current

1.8 μA at VIN = 5 V

3.0 μA at VIN = 20 V

Stable with a small 2.2 μF ceramic output capacitor

Fixed output voltage options: 1.8 V, 2.5 V, 3.3 V, and 5.0 V

15 standard voltages between 1.2 V and 5.0 V are

available

Adjustable output from 1.2 V to VIN – VDO, output can be

adjusted above initial set point

Precision enable

1 mm × 1.2 mm, 6-ball WLCSP

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

TYPICAL APPLICATION CIRCUITS

GND

EN

SS

VIN

VOUT

ADP7112

ON

OFF

VIN = 6V

VOUT = 5V

SENSE/ADJ

CIN

2.2µF

COUT

2.2µF

CSS

1nF

Figure 1. ADP7112 with Fixed Output Voltage, 5 V

GND

EN

SS

VIN

VOUT

ADP7112

ON

OFF

VIN = 7V

VOUT = 6V

SENSE/ADJ

CIN

2.2µF

COUT

2.2µF

CSS

1nF

2kΩ

10kΩ

Figure 2. ADP7112 with 5 V Output Adjusted to 6 V

GENERAL DESCRIPTION

The ADP7112 is a CMOS, low dropout (LDO) linear regulator

that operates from 2.7 V to 20 V and provides up to 200 mA of

output current. This high input voltage LDO is ideal for the

regulation of high performance analog and mixed-signal circuits

operating from 19 V down to 1.2 V 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 2.2 μF ceramic output capacitor. The

ADP7112 regulator output noise is 11 μV rms, independent of

the output voltage for the fixed options of 5 V or less.

The ADP7112 is available in 15 fixed output voltage options.

The following voltages are available from stock: 1.2 V

(adjustable), 1.8 V, 2.5 V, 3.3 V, and 5.0 V. Additional voltages

available by special order are 1.5 V, 1.85 V, 2.0 V, 2.2 V, 2.75 V,

2.8 V, 2.85 V, 3.8 V, 4.2 V, and 4.6 V.

Each fixed output voltage can be adjusted above the initial set

point with an external feedback divider. This allows the ADP7112

to provide an output voltage from 1.2 V to VIN − VDO with high

PSRR and low noise.

A user-programmable soft start with an external capacitor is

available in the ADP7112. The ADP7112 is available in a 6-ball

1 mm × 1.2 mm WLCSP, making it a very compact solution.

类似零件编号 - ADP7112ACBZ-1.2-R7

制造商	部件名	数据表	功能描述
Analog Devices	ADP7112	1Mb / 47P	20V, 200mA, Ultra-Low Noise, Ultra-High PSRR, Linear Regulator 19-101798; Rev 0; 10/23

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