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Details for Texas Instruments


Wide VIN, 150-mA, ultra-low-noise, high-PSRR low-dropout (LDO) linear regulator
Buy Directly from Texas Instruments (5278 in Stock)
$1.2700 per unit
Series Information for TPS7A4901DGNT - Texas Instruments


  • feature
    Adjustable Output: 1.194 V to 33 V
  • feature
    CMOS Logic-Level-Compatible Enable Pin
  • feature
    Dropout Voltage: 260 mV at 100 mA
  • feature
    Fixed Current-Limit and Thermal Shutdown Protection
  • feature
    Input Voltage Range: 3 V to 36 V
  • feature
    Noise: u2013 12.7 u03bcVRMS (20 Hz to 20 kHz) u2013 15.4 u03bcVRMS (10 Hz to 100 kHz)
  • feature
    Operating Temperature Range:
  • feature
    Output Current: 150 mA
  • feature
    Packages: 8-Pin HVSSOP PowerPADu2122 and 3-mm u00d7 3-mm VSON
  • feature
    Power-Supply Ripple Rejection: u2013 72 dB (120 Hz) u2013 u2265 52 dB (10 Hz to 400 kHz)
  • feature
    Stable with Ceramic Capacitors u2265 2.2 u03bcF


The TPS7A49 series of devices are positive, highvoltage (36 V), ultralow-noise (15.4 μVRMS, 72-dB PSRR) linear regulators that can source a 150-mA load. These linear regulators include a CMOS logic-levelcompatible enable pin and capacitor-programmable soft-start function that allows for customized powermanagement schemes. Other available features include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions. The TPS7A49 family is designed using bipolar technology, and is ideal for high-accuracy, highprecision instrumentation applications where clean voltage rails are critical to maximize system performance. This design makes the device 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 TPS7A49 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 highperformance rails are required, consider TI’s TPS7A30xx family of negative high-voltage, ultralownoise linear regulators as well.


Output Type:
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Alternate Descriptions

Avnet America

LDO Regulator Pos 1.194V to 33V 0.15A 8-Pin HTSSOP EP T/R

Avnet Europe

LDO Regulator Pos 1.194V to 33V 0.15A 8-Pin HTSSOP EP T/R

Texas Instruments

Wide VIN, 150-mA, ultra-low-noise, high-PSRR low-dropout (LDO) linear regulator

Texas Instruments product



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