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TLV7A03
  • TLV7A03
  • TLV7A03
  • TLV7A03

TLV7A03

ACTIVE

200mA, ultra-low-IQ (400nA) low-dropout (LDO) regulator with enable

Texas Instruments TLV7A03 Product Info

1 April 2026 4

Parameters

Rating

Catalog

Vin (max) (V)

6

Vin (min) (V)

1.5

Iout (max) (A)

0.2

Output options

Fixed Output

Vout (max) (V)

1.2, 1.5, 1.8, 2.5, 2.8, 3, 3.1, 3.3

Vout (min) (V)

0.8

Fixed output options (V)

1.2, 1.5, 1.8, 2.5, 2.8, 3, 3.1, 3.3

Noise (µVrms)

130

PSRR at 100 KHz (dB)

35

Iq (typ) (mA)

0.0004

Features

Enable, Output discharge

Thermal resistance θJA (°C/W)

179.1, 181.9

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Accuracy (%)

1.5

Dropout voltage (Vdo) (typ) (mV)

205

Operating temperature range (°C)

-40 to 125

Package

SOT-23 (DBV)-5-8.12 mm² 2.9 x 2.8

Features

  • Ultra-low IQ: 250nA (typ), 400nA (max)
  • Shutdown IQ: 3nA (typ)
  • Excellent transient response (1mA to 50mA)
    • < 10µs settling time
    • 80mV undershoot
  • Packages:
    • 1.0mm × 1.0mm X2SON
    • SOT23-5
  • Input voltage range: 1.5V to 6.0V
  • Output voltage range: 0.8V to 5.0V (fixed)
  • Output accuracy: 1.5% over temperature
  • Smart enable pulldown
  • Very low dropout:
    • 270mV (max) at 200mA (VOUT = 3.3V)
  • Stable with a 1µF or larger capacitor
  • Ultra-low IQ: 250nA (typ), 400nA (max)
  • Shutdown IQ: 3nA (typ)
  • Excellent transient response (1mA to 50mA)
    • < 10µs settling time
    • 80mV undershoot
  • Packages:
    • 1.0mm × 1.0mm X2SON
    • SOT23-5
  • Input voltage range: 1.5V to 6.0V
  • Output voltage range: 0.8V to 5.0V (fixed)
  • Output accuracy: 1.5% over temperature
  • Smart enable pulldown
  • Very low dropout:
    • 270mV (max) at 200mA (VOUT = 3.3V)
  • Stable with a 1µF or larger capacitor

Description

The TLV7A03 is an ultra-small, ultra-low quiescent current low-dropout linear regulator (LDO) that sources 200mA with excellent transient performance.

The TLV7A03, with an ultra-low IQ of 250nA, is designed specifically for applications where very low quiescent current is a critical parameter. This device maintains low IQ consumption even in dropout mode to further increase battery life. When in shutdown or disabled mode, the device consumes only 3nA IQ, which helps increase battery shelf life. The TLV7A03 has an output range of 0.8V to 5.0V, available in 50mV steps, to support the lower core voltages of modern microcontrollers (MCUs).

The TLV7A03 features a smart enable circuit with an internally controlled pulldown resistor that keeps the LDO disabled even when the EN pin is floating. This circuit also helps minimize the external components used to pulldown the EN pin. This circuit also helps minimize the current drawn through the external pulldown circuit when the device is enabled.

The TLV7A03 is fully specified for TJ = –40°C to +125°C operation.

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