ADP7156
ADP7156
RECOMMENDED FOR NEW DESIGNS1.2 A, Ultralow Noise, High PSRR, Fixed Output, RF Linear Regulator
- Part Models
- 21
- 1ku List Price
- Starting From $4.02
Viewing:
Overview
- Input voltage range: 2.3 V to 5.5 V
- 16 standard voltages between 1.2 V and 3.3 V available
- Maximum load current: 1.2 A
- Low noise
- 0.9 µV rms total integrated noise from 100 Hz to 100 kHz
- 1.6 µV rms total integrated noise from 10 Hz to 100 kHz
- Noise spectral density: 1.7 nV/√Hz from 10 kHz to 1 MHz
- Power supply rejection ratio (PSRR)
- 80 dB from 1 kHz to 100 kHz; 60 dB at 1 MHz, VOUT = 3.3 V, VIN = 4.0 V
- Dropout voltage: 120 mV typical at IOUT = 1.2 A, VOUT = 3.3 V
- Initial accuracy: ±0.6% at ILOAD = 10 mA
- Initial accuracy over line, load, and temperature: ±1.5%
- Quiescent current: IGND = 4.0 mA at no load, 7 mA at 1.2 A
- Low shutdown current: 0.2 μA
- Stable with a 10 µF ceramic output capacitor
- Precision enable
- 10-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages
- AEC-Q100 qualified for automotive applications
- Enables functional safety at system level
The ADP7156 is a linear regulator that operates from 2.3 V to 5.5 V and provides up to 1.2 A of output current. Using an advanced proprietary architecture, it provides high power supply rejection and ultralow noise, achieving excellent line and load transient response with only a 10 μF ceramic output capacitor.
There are 16 standard output voltages for the ADP7156. The following voltages are available from stock: 1.2 V, 1.8 V, 2.0 V, 2.5 V, 2.8 V, 3.0 V and 3.3 V. Additional voltages available by special order are 1.3 V, 1.5 V, 1.6 V, 2.2 V, 2.6 V, 2.7 V, 2.9 V, 3.1 V, and 3.2 V.
The ADP7156 regulator typical output noise is 0.9 μV rms from 100 Hz to 100 kHz and 1.7 nV/√Hz for noise spectral density from 10 kHz to 1 MHz. The ADP7156 is available in a 10-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages, making it not only a very compact solution, but also providing excellent thermal performance for applications requiring up to 1.2 A of output current in a small, low profile footprint.
Applications
- Regulation to noise sensitive applications: phase-locked loops (PLLs), voltage controlled oscillators (VCOs), and PLLs with integrated VCOs
- Communications and infrastructure
- Backhaul and microwave links
Documentation
Data Sheet 1
User Guide 1
Application Note 1
Technical Articles 5
Video 1
Brochure 2
Analog Dialogue 1
Webcast 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| ADP7157 | RECOMMENDED FOR NEW DESIGNS | 1.2 A, Ultralow Noise, High PSRR, Adjustable Output, RF Linear Regulator |
Tools & Simulations
LTspice
Models for the following parts are available in LTspice:
- ADP7156-1.2
- ADP7156-1.8
- ADP7156-2.0
- ADP7156-2.5
- ADP7156-2.8
- ADP7156-3.0
- ADP7156-3.3
ADI Linear Regulator Design Tool and Parametric Search
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
Open ToolLTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
ADP7156 Evaluation Board
Resources
ADP7156 Evaluation Board