ADP7183 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADP7183
Manufacturer

ADI
ChipWorker Part#

CW983394062
Description

-300mA, Ultralow Noise, High PSRR, Low Dropout Linear Regulator
Documentation

Datasheet

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ADP7183 Specifications

Attribute	Attribute Value

Part Number	ADP7183
Manufacturer	ADI
ChipWorker Part#	CW983394062
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The ADP7183 is a complementary metal oxide semiconductor (CMOS), low dropout (LDO) linear regulator that operates from −2.0 V to −5.5 V and provides up to −300 mA of output current. This LDO regulator is ideal for regulation of high performance analog and mixed-signal circuits operating from −0.5 V down to −4.5 V. Using an advanced proprietary architecture, the ADP7183 provides high PSRR and low noise, and it achieves excellent line and load transient response with a small 4.7 μF ceramic output capacitor.
The ADP7183 is available in 15 fixed output voltage options. The following voltages are available from stock: −0.5 V, −1.0 V, −1.2 V, −1.5 V, −1.8 V, −2.0 V, −2.5 V, −3.0 V, and −3.3 V. Additional voltages available by special order are −0.8 V, −0.9 V, −1.3 V, −2.8 V, −4.2 V, and −4.5 V. An adjustable version is also available that allows output voltages that range from −0.5 V to −VIN \+ 0.5 V with an external feedback divider.
The enable logic feature is capable of interfacing with positive or negative logic levels for maximum flexibility.
The ADP7183 regulator output noise is 4 μV rms independent of the output voltage. The ADP7183 is available in an 8-lead, 2 mm × 2 mm LFCSP, making it not only a very compact solution but also providing excellent thermal performance for applications requiring up to −300 mA of output current in a small, low profile footprint.
**Applications**
Regulation to noise sensitive applications: analog-to-digital converters (ADCs), digital-to-analog converters (DACs), precision amplifiers
Communications and infrastructure
Medical and healthcare
Industrial and instrumentation
### Features and Benefits
Input voltage range: −2.0 V to −5.5 V
Maximum output current: −300 mA
Fixed output voltage options: −0.5 V to −4.5 V
Adjustable output from −0.5 V to −VIN \+ 0.5 V
Low output noise: 4 µV rms from 100 Hz to 100 kHz
Noise spectral density: 20 nV/√Hz, 10 kHz to 1 MHz
Power supply rejection ratio (PSRR) at −300 mA load
75 dB typical at 10 kHz
62 dB typical at 100 kHz
40 dB typical at 1 MHz
Low dropout voltage: −130mV typical at −300 mA load
Initial output voltage accuracy (VOUT): ±0.5% at IOUT = −10 mA
Output voltage accuracy over line, load, and temperature: ±2.6%
Operating supply current (IGND): −0.6 mA typical at no load
Low shutdown current: −2 µA typical at VIN = −5.5 V
Stable with small 4.7 µF ceramic input and output capacitor
Positive or negative enable logic
Current-limit and thermal overload protection
8-lead, 2 mm × 2 mm LFCSP package
Supported by ADIsimPOWER voltage regulator design tool

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