Vin -3V to -36V, -200mA, Ultra-Low Noise, High PSRR, Low-Dropout Linear Regulator - TPS7A3001

TPS7A3001 (ACTIVE)

Vin -3V to -36V, -200mA, Ultra-Low Noise, High PSRR, Low-Dropout Linear Regulator

Description

The TPS7A30xx series of devices are negative, high-voltage (–36V), ultralow-noise (15.1µVRMS, 72dB PSRR) linear regulators capable of sourcing a maximum load of 200mA.

These linear regulators include a CMOS logic-level-compatible enable pin and capacitor-programmable soft-start function that allows for customized power-management schemes. Other features available include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions.

The TPS7A30xx family is designed using bipolar technology, and is ideal for high-accuracy, high-precision instrumentation applications where clean voltage rails are critical to maximize system performance. This design makes it an excellent choice to power operational amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other high-performance analog circuitry.

In addition, the TPS7A30xx family of linear regulators is suitable for post dc/dc converter regulation. By filtering out the output voltage ripple inherent to dc/dc switching conversion, maximum system performance is provided in sensitive instrumentation, test and measurement, audio, and RF applications.

For applications where positive and negative high-performance rails are required, consider TI’s TPS7A49xx family of positive high-voltage, ultralow-noise linear regulators.

Features

  • Input Voltage Range: –3V to –36V
  • Noise:
    • 14µVRMS (20Hz to 20kHz)
    • 15.1µVRMS (10Hz to 100kHz)
  • Power-Supply Ripple Rejection:
    • 72dB (120Hz)
    • ≥ 55dB (10Hz to 700kHz)
  • Adjustable Output: –1.18V to –33V
  • Maximum Output Current: 200mA
  • Dropout Voltage: 216mV at 100mA
  • Stable with Ceramic Capacitors ≥ 2.2µF
  • CMOS Logic-Level-Compatible Enable Pin
  • Built-In, Fixed, Current-Limit and Thermal Shutdown Protection
  • Available in High Thermal Performance MSOP-8 PowerPAD™ Package
  • Operating Tempature Range: –40°C to +125°C
  • APPLICATIONS
    • Supply Rails for Op Amps, DACs, ADCs, and Other High-Precision Analog Circuitry
    • Audio
    • Post DC/DC Converter Regulation and Ripple Filtering
    • Test and Measurement
    • RX, TX, and PA Circuitry
    • Industrial Instrumention
    • Base Stations and Telecom Infrastrucure
    • –12V and –24V Industrial Buses

    PowerPAD is a trademark of Texas Instruments.
    All other trademarks are the property of their respective owners.

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    Parametrics Compare all products in Single Channel LDO

     
    Iout (Max) (A)
    Output Options
    Vin (Min) (V)
    Vin (Max) (V)
    Vout (Min) (V)
    Vout (Max) (V)
    Iq (Typ) (mA)
    Vdo (Typ) (mV)
    Accuracy (%)
    Noise (uVrms)
    PSRR @ 100KHz (dB)
    Output Capacitor Type
    Additional Features
    Rating
    Operating Temperature Range (C)
    Pin/Package
    Approx. Price (US$)
    TPS7A3001 TPS7A3301 TPS7A4901
    0.2     1     0.15    
    Adjustable Output
    Negative Output    
    Adjustable Output
    Negative Output    
    Adjustable Output    
    -36     -36     3    
    -3     -3     36    
    -33     -33     1.2    
    -1.2     -1.2     33    
    0.05     0.21     0.06    
    216     290     260    
    2.5     2.5     2.5    
    15     16     15    
    55     64     54    
    Ceramic     Ceramic     Ceramic    
    Enable
    Overcurrent Protection
    Soft Start
    Thermal Shutdown
    Fast Transient Response    
    Enable
    Overcurrent Protection
    Soft Start
    Thermal Shutdown    
    Enable
    Overcurrent Protection
    Soft Start
    Thermal Shutdown
    Fast Transient Response    
    Catalog     Catalog     Catalog    
    -40 to 125     -40 to 125     -40 to 125    
    8MSOP-PowerPAD     20VQFN
    7TO-220    
    8MSOP-PowerPAD    
    1.50 | 1ku     2.70 | 1ku     1.10 | 1ku    

    Other qualified versions of TPS7A3001

    Version Part Number Definition
    Enhanced Product TPS7A3001-EP Supports Defense, Aerospace and Medical Applications
    WEBENCH® TPS7A3001
        Min   Max   Range  
      Vin V    -35.00 – -3.00V  
      Vout V    -33.00 – -1.18V  
      Iout A    ≤ 0.20A  
      Ambient Temp °C    ≤ 100°C  
    Footprint BOM Cost Efficiency
     
     
     
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    What are WEBENCH® tools?

    Companion parts

    Part # Name Product Family Comments
    DAC8871   16-Bit Single Channel, Serial Interface, +/-18V (High Voltage Bipolar) Output DAC   DIGITAL TO ANALOG CONVERTER - PRECISION DAC (=<10MSPS)    
    DAC7731   16-Bit, Single Channel, Digital-to-Analog Converter W/ Internal +10V Reference and Serial I/F   DIGITAL TO ANALOG CONVERTER - PRECISION DAC (=<10MSPS)    
    DAC7741   16-Bit, Single Channel, Digital-to-Analog Converter W/Internal +10V Reference and Parallel I/F   DIGITAL TO ANALOG CONVERTER - PRECISION DAC (=<10MSPS)    
    OPA627   Precision High-Speed Difet(R) Operational Amplifiers   OPERATIONAL AMPLIFIER - PRECISION AMPLIFIER    
    OPA211   1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier in Tiny DFN-8 Package   OPERATIONAL AMPLIFIER - PRECISION AMPLIFIER    
    OPA827   Low-Noise, High-Precision, JFET-Input Operational Amplifier   OPERATIONAL AMPLIFIER - PRECISION AMPLIFIER    
    ADS8556   630kSPS, 6-Channels, Simultaneous Sampling Analog-to-Digital Converter   ANALOG TO DIGITAL CONVERTER - PRECISION ADC (<=10MSPS)    
    TPS54260   3.5V to 60V Input, 2.5A Step-Down Converter with Eco-Mode   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    
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