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TLV785
  • TLV785
  • TLV785

TLV785

ACTIVE

500mA high-PSRR low-Iq low-dropout regulator with enable

Texas Instruments TLV785 Product Info

1 April 2026 3

Parameters

Rating

Catalog

Vin (max) (V)

5.5

Vin (min) (V)

1.4

Iout (max) (A)

0.5

Output options

Fixed Output

Vout (max) (V)

3.3

Vout (min) (V)

0.6

Fixed output options (V)

3.3

Noise (µVrms)

90

PSRR at 100 KHz (dB)

56

Iq (typ) (mA)

0.08

Features

Enable, Output discharge

Thermal resistance θJA (°C/W)

242

Load capacitance (min) (µF)

0.47

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

350

Operating temperature range (°C)

-40 to 125

Package

SOT-23 (DBV)-5-8.12 mm² 2.9 x 2.8

Features

  • High PSRR: 60dB (1kHz)
  • VIN range: 1.4V to 5.5V
  • Fixed output voltage range: 0.6V to 3.3V
  • Output voltage accuracy: 2%
  • Low dropout voltage:
    • 400mV (max) at 500mA (3.3VOUT)
  • Foldback current limit
  • Active output pulldown resistor
  • Package:
    • 5-pin SOT-23 (DBV)
  • High PSRR: 60dB (1kHz)
  • VIN range: 1.4V to 5.5V
  • Fixed output voltage range: 0.6V to 3.3V
  • Output voltage accuracy: 2%
  • Low dropout voltage:
    • 400mV (max) at 500mA (3.3VOUT)
  • Foldback current limit
  • Active output pulldown resistor
  • Package:
    • 5-pin SOT-23 (DBV)

Description

The TLV785 is a small, low-dropout (LDO) linear regulator that sources 500mA 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 TLV785 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 TLV785 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 a standard SOT-23 (DBV) package.

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