TPS79801QDGNRQ1 Part Information

Details for TPS79801QDGNRQ1 by Texas Instruments

Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators

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Part Description

The TPS798xx-Q1 is the first device in a line of 50-V high-voltage micropower low-dropout (LDO) linear regulators. This device is capable of supplying 50-mA output current with a dropout voltage of only 300 mV. Designed for low quiescent current high voltage (50 V) applications, 40 μA operating and 1 μA in shutdown makes the TPS798xx-Q1 an ideal choice for battery-powered or high-voltage systems. Quiescent current is also well-controlled in dropout. Other features of the TPS798xx-Q1 include the ability to operate with low equivalent series resistance (ESR) ceramic output capacitors. This device is stable with only 1 μF on the output; most older devices require from 10-μF to 100-μF tantalum capacitors for stability. Small ceramic capacitors can be used without the necessary addition of ESR, as is common with other regulators. Internal protection circuitry includes reverse input-battery protection, reverse output current protection, current limiting, and thermal limiting to protect the device in various fault conditions. This device is available in a fixed output voltage of 5 V (TPS79850) and with an adjustable output voltage with a 1.275-V reference voltage (TPS79801). The TPS798xx-Q1 regulator is available in a 8-pin MSOPPowerPAD (DGN) package with an exposed pad for enhanced thermal management capability.

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Part Features

  • 1-u03bcA Quiescent Current in Shutdown
  • Adjustable Output From 1.275 V to 28 V
  • Available in an 8-Pin MSOP-PowerPAD IC
  • Low Dropout Voltage: 300 mV (Typical)
  • Low Quiescent Current: 40 u03bcA (Typical)
  • No Input Protection Diodes Needed
  • Output Current: 50 mA
  • Qualified for Automotive Applications
  • Reverse Input-Battery Protection
  • Reverse Output Current Flow Protection
  • Stable With 1-u03bcF Output Capacitor
  • Stable With Aluminum, Tantalum, or Ceramic Capacitors
  • Thermal Limiting
  • Wide Input Voltage Range: 3 V to 50 V

Part Specifications

Output Type Adjustable
Input Voltage Min 3V
Input Voltage Max 50V
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min 1.275V
Adjustable Output Voltage Max 28V
Output Current 50mA
Dropout Voltage Vdo 300mV
LDO Regulator Case Style MSOP
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Accuracy % 1.5%
Base Number 79801
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +125°C
Output Voltage Adjustable Range 1.275V to 28V
Output Voltage Max 28V
Output Voltage Min 1.275V
Primary Input Voltage 50V
Supply Voltage Max 80V
Supply Voltage Min 3V
Termination Type Surface Mount Device
Voltage Regulator Type LDO Adjustable Positive
RoHS Compliant

Alternative Part Descriptions

  • IC, LDO REG ADJ 250MA 8-MSOP; Output Type:Adjustable; Input Voltage Min:3V; Input Voltage Max:50V; Fixed Output Voltage Nom.:-; Adjustable Output Voltage Min:1.275V; Adjustable Output Voltage Max:28V; Output Current:50mA; Dropout RoHS Compliant: Yes | Newark Electronics
  • Automotive 50-mA, off-battery (50-V), low-dropout voltage regulator with reverse current protection | Texas Instruments
  • LDO Voltage Regulator [Texas Instruments] TPS79801QDGNRQ1 LDO Voltage Regulator | Distrelec

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