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LP2953QML-SP
  • LP2953QML-SP
  • LP2953QML-SP
  • LP2953QML-SP
  • LP2953QML-SP

LP2953QML-SP

ACTIVE

Space-grade QMLV, -20-V to 30-V, 250-mA, 2.5-V or 5-V output linear regulator

Texas Instruments LP2953QML-SP Product Info

1 April 2026 5

Parameters

Rating

Space

Vin (max) (V)

30

Vin (min) (V)

-20

Iout (max) (A)

0.25

Output options

Adjustable Output

Vout (max) (V)

29

Vout (min) (V)

1.23

Noise (µVrms)

80

PSRR at 100 KHz (dB)

32

Iq (typ) (mA)

0.13

Features

Enable, Output discharge, Power good

Thermal resistance θJA (°C/W)

42

Load capacitance (min) (µF)

2.2

Regulated outputs (#)

1

Accuracy (%)

3

Dropout voltage (Vdo) (typ) (mV)

470

Operating temperature range (°C)

-55 to 125

Package

CFP (NAC)-16-62.9285 mm² 9.91 x 6.35

Features

  • Output Voltage Adjusts from 1.23V to 29V
  • Ensured 250 mA Output Current
  • Extremely Low Quiescent Current
  • Low Dropout Voltage
  • Extremely Tight Line and Load Regulation
  • Very Low Temperature Coefficient
  • Current and Thermal Limiting
  • Reverse Battery Protection
  • 50 mA (Typical) Output Pulldown Crowbar
  • Auxiliary Comparator Included with CMOS/TTL Compatible Output Levels. Can be used for Fault Detection, Low Input Line Detection, etc.

All trademarks are the property of their respective owners.

  • Output Voltage Adjusts from 1.23V to 29V
  • Ensured 250 mA Output Current
  • Extremely Low Quiescent Current
  • Low Dropout Voltage
  • Extremely Tight Line and Load Regulation
  • Very Low Temperature Coefficient
  • Current and Thermal Limiting
  • Reverse Battery Protection
  • 50 mA (Typical) Output Pulldown Crowbar
  • Auxiliary Comparator Included with CMOS/TTL Compatible Output Levels. Can be used for Fault Detection, Low Input Line Detection, etc.

All trademarks are the property of their respective owners.

Description

The LP2953A is a micropower voltage regulator with very low quiescent current (130 μA typical at 1 mA load) and very low dropout voltage (typ. 60 mV at light load and 470 mV at 250 mA load current). It is ideally suited for battery-powered systems. Furthermore, the quiescent current increases only slightly at dropout, which prolongs battery life.

The LP2953A retains all the desirable characteristics of the LP2951, but offers increased output current, additional features, and an improved shutdown function.

The internal crowbar pulls the output down quickly when the shutdown is activated.

The error flag goes low if the output voltage drops out of regulation.

Reverse battery protection is provided.

The internal voltage reference is made available for external use, providing a low-T.C. reference with very good line and load regulation.

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