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

Quantity Unit Price(USD) Ext. Price
1 $0.873 $0.87
10 $0.777 $7.77
30 $0.686 $20.58
100 $0.614 $61.40
500 $0.586 $293.00
1000 $0.572 $572.00


*The price is for reference only.
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  • Part Number : TPS7A4901DGNR

  • Package/Case : HVSSOP-8

  • Brands : Texas Instruments

  • Components Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

  • Datesheet : TPS7A4901DGNR DataSheet (PDF)

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Overview of TPS7A4901DGNR

The TPS7A4901DGNR is a low-noise, low-dropout (LDO) voltage regulator designed for applications requiring high-accuracy voltage regulation. It offers high PSRR (Power Supply Rejection Ratio) and low output noise, making it ideal for noise-sensitive applications such as audio systems, instrumentation, and communication equipment.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Pin 1: EN (Enable)
  • Pin 2: GND (Ground)
  • Pin 3: VOUT (Output Voltage)
  • Pin 4: BYP (Bypass)
  • Pin 5: IN (Input Voltage)
  • Pin 6: GND (Ground)
  • Pin 7: GND (Ground)
  • Pin 8: NC (No Connection)

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the TPS7A4901DGNR IC for a more visual representation.


Key Features

  • Low-Noise Output: The TPS7A4901DGNR features low output noise, ensuring clean power for noise-sensitive applications.
  • High PSRR: This IC offers high PSRR, minimizing the impact of power supply variations on the output voltage.
  • Wide Input Voltage Range: The TPS7A4901DGNR can operate over a wide input voltage range, making it suitable for various power supply configurations.
  • Low Dropout Voltage: Despite its high performance, this LDO regulator has a low dropout voltage, maximizing efficiency.
  • Thermal Shutdown and Overcurrent Protection: The TPS7A4901DGNR includes thermal shutdown and overcurrent protection features, ensuring safe operation under fault conditions.

Note: For detailed technical specifications, please refer to the TPS7A4901DGNR datasheet.


  • Audio Systems: The TPS7A4901DGNR is ideal for audio applications requiring low-noise power supplies.
  • Instrumentation: This IC can be used in instrumentation applications where accuracy and stability are critical.
  • Communication Equipment: The TPS7A4901DGNR is suitable for communication equipment requiring clean power for optimal performance.


The TPS7A4901DGNR is a low-noise, low-dropout voltage regulator designed for high-accuracy voltage regulation in noise-sensitive applications. It provides clean power with high PSRR and low output noise.

Usage Guide

  • Power Supply: Connect IN (Pin 5) to the input voltage source and GND (Pins 2, 6, 7) to ground.
  • Enable Control: Use EN (Pin 1) to enable or disable the regulator as needed.
  • Output Voltage: Connect VOUT (Pin 3) to the load requiring regulated voltage.

Frequently Asked Questions

Q: What is the typical output noise of the TPS7A4901DGNR?
A: The TPS7A4901DGNR typically has an output noise of XX μVrms, ensuring clean power for noise-sensitive applications.

Q: How does the TPS7A4901DGNR achieve high PSRR?
A: The TPS7A4901DGNR uses internal circuitry to reject variations in the input power supply, ensuring a stable output voltage even in the presence of power supply fluctuations.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid TPS7A4901DGNR Pbfree Code Yes
Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC Part Package Code MSOP
Package Description HTSSOP, TSSOP8,.19 Pin Count 8
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Samacsys Manufacturer Texas Instruments
Adjustability ADJUSTABLE Dropout Voltage1-Max 0.6 V
Dropout Voltage1-Nom 0.26 V Input Voltage-Max 36 V
Input Voltage-Min 3 V JESD-30 Code S-PDSO-G8
JESD-609 Code e4 Length 3 mm
Moisture Sensitivity Level 2 Number of Functions 1
Number of Outputs 1 Number of Terminals 8
Operating Temperature TJ-Max 125 °C Operating Temperature TJ-Min -40 °C
Operating Temperature-Max 125 °C Operating Temperature-Min -40 °C
Output Current1-Max 0.15 A Output Voltage1-Max 33 V
Output Voltage1-Min 1.2 V Package Body Material PLASTIC/EPOXY
Package Code HTSSOP Package Equivalence Code TSSOP8,.19
Packing Method TR Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Regulator Type ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 1.1 mm Surface Mount YES
Technology BIPOLAR Terminal Finish Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Form GULL WING Terminal Pitch 0.65 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Voltage Tolerance-Max 2.5% Width 3 mm
Output options Adjustable Output Iout (max) (A) 0.15
Vin (max) (V) 36 Vin (min) (V) 3
Vout (max) (V) 33 Vout (min) (V) 1.2
Noise (µVrms) 15 Iq (typ) (mA) 0.06
Thermal resistance θJA (°C/W) 48 Rating Catalog
Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1
Features Enable, Soft start Accuracy (%) 2.5
PSRR at 100 KHz (dB) 54 Dropout voltage (Vdo) (typ) (mV) 260
Operating temperature range (°C) -40 to 125

Equivalent Parts

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

TPS7A4901DGNR Equivalent Parts

For the TPS7A4901DGNR component, you may consider these replacement and alterative parts.

Models Manufacturer Package/Case Description
TPS7A4900 Texas Instruments SOT-23-5 A similar low-noise, low-dropout voltage regulator with slightly different features and specifications.
LT3042 Analog Devices DFN-8 or TO-263 Another alternative offering similar performance characteristics for noise-sensitive applications.

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