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TLV771
  • TLV771
  • TLV771
  • TLV771

TLV771

ACTIVE

150mA small-size high-PSRR low-dropout (LDO) linear regulator

Texas Instruments TLV771 Product Info

1 April 2026 0

Parameters

Rating

Catalog

Vin (max) (V)

5.5

Vin (min) (V)

1.4

Iout (max) (A)

0.15

Output options

Fixed Output

Vout (max) (V)

3.3

Vout (min) (V)

0.6

Fixed output options (V)

1.2, 1.8, 2.5, 2.8, 3.3

Noise (µVrms)

90

PSRR at 100 KHz (dB)

59

Iq (typ) (mA)

0.08

Features

Enable, Output discharge

Thermal resistance θJA (°C/W)

236

Load capacitance (min) (µF)

0.47

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

115

Operating temperature range (°C)

-40 to 125

Package

SOT-23 (DBV)-5-8.12 mm² 2.9 x 2.8

Features

  • High PSRR: 55dB (1MHz)
  • VIN range: 1.4V to 5.5V
  • Fixed output voltage range: 0.6V to 3.3V
  • Output voltage accuracy: 2%
  • Low dropout voltage:
    • 113mV at 150mA (3.3VOUT)
  • Foldback current limit
  • Active output pulldown resistor
  • Packages:
    • 1mm × 1mm, 4-pin X2SON (DQN)
    • 5-pin SOT-23 (DBV)
  • High PSRR: 55dB (1MHz)
  • VIN range: 1.4V to 5.5V
  • Fixed output voltage range: 0.6V to 3.3V
  • Output voltage accuracy: 2%
  • Low dropout voltage:
    • 113mV at 150mA (3.3VOUT)
  • Foldback current limit
  • Active output pulldown resistor
  • Packages:
    • 1mm × 1mm, 4-pin X2SON (DQN)
    • 5-pin SOT-23 (DBV)

Description

The TLV771 is a small, low-dropout (LDO) linear regulator that sources 150mA of output current. This LDO provides a voltage source with high PSRR and load and line transient performance that meets the requirements for a variety of circuits. The TLV771 has a 1.4V to 5.5V input voltage range and a 0.6V to 3.3V output voltage range. This flexibility makes the device useful for multiple applications.

The TLV771 features an internal soft-start circuit to avoid excessive inrush current, thus minimizing the input voltage drop during start-up. An active pulldown circuit quickly discharges the output when the LDO is disabled and provides a known start-up state. The EN input allows an external logic signal to enable or disable the regulated output. The LDO is stable with small ceramic capacitors, allowing for a small overall package size. The operating junction temperature range is from −40°C to +125°C. This LDO is available in standard SOT-23 (DBV) and 1mm × 1mm X2SON (DQN) packages.

The TLV771 is a small, low-dropout (LDO) linear regulator that sources 150mA of output current. This LDO provides a voltage source with high PSRR and load and line transient performance that meets the requirements for a variety of circuits. The TLV771 has a 1.4V to 5.5V input voltage range and a 0.6V to 3.3V output voltage range. This flexibility makes the device useful for multiple applications.

The TLV771 features an internal soft-start circuit to avoid excessive inrush current, thus minimizing the input voltage drop during start-up. An active pulldown circuit quickly discharges the output when the LDO is disabled and provides a known start-up state. The EN input allows an external logic signal to enable or disable the regulated output. The LDO is stable with small ceramic capacitors, allowing for a small overall package size. The operating junction temperature range is from −40°C to +125°C. This LDO is available in standard SOT-23 (DBV) and 1mm × 1mm X2SON (DQN) packages.

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