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TPS7B92
  • TPS7B92
  • TPS7B92
  • TPS7B92

TPS7B92

ACTIVE

300mA 40V 1.8μA IQ low-dropout linear regulator

Texas Instruments TPS7B92 Product Info

1 April 2026 4

Parameters

Rating

Catalog

Vin (max) (V)

40

Vin (min) (V)

2.5

Iout (max) (A)

0.3

Output options

Fixed Output

Vout (max) (V)

38

Vout (min) (V)

1.2

Fixed output options (V)

1.8, 3.3, 5, 12

PSRR at 100 KHz (dB)

43

Iq (typ) (mA)

0.0018

Thermal resistance θJA (°C/W)

207

Regulated outputs (#)

1

Dropout voltage (Vdo) (typ) (mV)

110

Operating temperature range (°C)

-40 to 125

Package

SOT-23 (DBV)-5-8.12 mm² 2.9 x 2.8

Features

  • Input voltage range: 2.5V to 40V
  • Output voltage range: 1.2V to 12V
  • Output current: 300mA
  • Ultra-low IQ: 1.8µA at IOUT = 0mA
  • Stable with output capacitors ≥ 1.0µF
  • High PSRR:
    • 70dB at 1kHz
    • 43dB at 100kHz
  • Fold-back current limiting
  • Overtemperature protection
  • Package:
    • 5-pin SOT-23 (DBV)
  • Operating junction temperature: –40°C to +125°C
  • Input voltage range: 2.5V to 40V
  • Output voltage range: 1.2V to 12V
  • Output current: 300mA
  • Ultra-low IQ: 1.8µA at IOUT = 0mA
  • Stable with output capacitors ≥ 1.0µF
  • High PSRR:
    • 70dB at 1kHz
    • 43dB at 100kHz
  • Fold-back current limiting
  • Overtemperature protection
  • Package:
    • 5-pin SOT-23 (DBV)
  • Operating junction temperature: –40°C to +125°C

Description

The TPS7B92 low-dropout (LDO) linear voltage regulator is a low quiescent current device. The TPS7B92 offers a wide input voltage range (up to 40V), wide output range, and low-power operation in miniaturized packaging. The wide output range is from 1.2V to 12V.

The TPS7B92 is optimized to power microcontrollers and other low power loads for battery-powered applications. The TPS7B92 is stable with a output capacitor range of 1.0µF to 47µF.

The TPS7B92 low quiescent current (1.8µA typically) makes this device designed for battery-powered or always-on systems that require very little idle-state power dissipation.

The TPS7B92 LDO supports a low dropout of typically 900mV at 150mA of load current. The TPS7B92 also features an internal soft-start to lower the inrush current during start-up. The built-in foldback overcurrent limit protection and thermal shutdown help protect the regulator in the event of a load short or fault condition.

The TPS7B92 is available in a 2.9mm × 2.8mm, 5-pin SOT-23 (DBV) package.

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