TI LDO TPS7A8101 Low Noise Wide Bandwidth High PSRR Low-Dropout 1 A Linear Regulator
1 Features
· Low-Dropout 1-A Regulator with Enable
·Adjustable Output Voltage:0.8 V to 6 V
·Wide-Bandwidth High PSRR:
-80 dB at 1 kHz
-60 dB at 100 kHz
-54 dB at 1 MHz
·Low Noise:23.5 μVrMs typical (100 Hz to100 kHz)
·Stable with a 4.7-μF Capacitance
· Excellent Load and Line Transient Response
·3%Overall Accuracy (Over Load,Line,Temperature)
·Overcurrent and Overtemperature Protection
· Very Low Dropout:170 mV Typical at 1 A
· Package:3-mm×3-mm SON-8
2 Applications
· Telecom Infrastructure
· Audio
·High-Speed I/F (PLL and VCO)
3 Description
The TPS7A8101 low-dropout linear regulator (LDO)
offers very good performance in noise and power-supply rejection ratio(PSRR)at the output.This LDOuses an advanced BiCMOS process and aPMOSFET pass device to achieve very low noise,excellent transient response,and excellent PSRRperformance.
The TPS7A8101 device is stable with a 4.7-μFceramic output capacitor,and uses a precisionvoltage reference and feedback loop to achieve aworst-case accuracy of 3%over all load,line,process,and temperature variations.
This device is fully specified over the temperaturerange of T」=-40°C to 125°C and is offered in a 3-mm×3-mm,SON-8 package with a thermal pad.
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
| TPS7A8101 | SON (8 | 3.00 mm x 3.00 mm |
| PIN | I/O | DESCRIPTION |
| NAME | NO |
| EN | 5 | l | Driving this pin high turns on the regulator.Driving this pin low puts the regulator into shutdown mode
Refer to the Shutdown section for more details.EN must not be left floating and can be connected to IN
if not used |
| FB | 3 | l | This pin is the input to the control-loop error amplifier and is used to set the output voltage of the device |
| GND | 4,pad | —— | Ground |
| IN | 7 | l | Unregulated input supply |
| 8 |
| NR | 6 | —— | Connect an external capacitor between this pin and ground to reduce output noise to very low levels
The capacitor also slows down the Vour ramp (RC softstart) |
| OUT | 1 | O | Regulator output.A 4.7-μF or larger capacitor of any type is required for stability. |
| 2 |
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ZSUN consists of a professional team with an average of over 10 year of expertise in the field of electronic components.
An advanced enterprise specializing in the research, development, production, and sales of EMC components, connectors, cables, and integrated circuits (ICs).
Professional EMC products and services, including EMC component selection, EMC simulation, EMC training, and EMC corrective testing services.
ZSUN is a senior enterprise specializing in the research and development, production and sales of EMC components, connectors, cables and Integrated Circuits (ICs). Its headquarter is located in Shenzhen. It consists of a professional team with an average of over 10 year of expertise in the field of electronic components.
The main products include: high current power inductors, Moding power choke, NR inductors, SMD power inductors, DIP inductors, Rod inductors, DC& signal common mode choke, AC common mode choke, transformers , Board-to-board connectors, wire-to-board connectors, communication interfaces, terminals, European connectors, crimp terminals and high-speed connectors, etc., are widely used in industrial control, automotive electronics, medical electronics, new energy motors, communication equipment , digital power amplifier, financial electronics, power system, cables, Integrated Circuits (ICs) and other fields.
ZSUN is committed to build a one-stop electronic components supply platform, allowing customers to enjoy the most professional EMC products and services, namely EMC components selection, EMC simulation, EMC training and EMC rectification &testing services. With advanced management system, strong development capabilities and excellent products Quality and perfect service, ZSUN has become a supplier of electronic components for many well-known enterprises at home and abroad.
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TPS7A8101DRBR IC Chips TI LDO Low Noise Wide Bandwidth Low-Dropout 1-A Regulator Images
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