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LP2966
  • LP2966
  • LP2966
  • LP2966
  • LP2966

LP2966

ACTIVE

150-mA, dual-channel adjustable low-dropout voltage regulator with power good Key Specifications Key Specifications

Texas Instruments LP2966 Product Info

1 April 2026 2

Parameters

Rating

Catalog

Vin (max) (V)

7

Vin (min) (V)

2.7

Iout (max) (A)

0.15

Output options

Adjustable Output, Dual Output, Dual output, Fixed Output

Vout (max) (V)

5

Vout (min) (V)

1.8

Fixed output options (V)

1.1, 1.8, 2.2, 2.5, 2.8, 2.85, 3, 3.3, 5, 5.5

Noise (µVrms)

100

PSRR at 100 KHz (dB)

18

Iq (typ) (mA)

0.34

Features

Power good

Thermal resistance θJA (°C/W)

235

Load capacitance (min) (µF)

1

Regulated outputs (#)

2

Accuracy (%)

3

Dropout voltage (Vdo) (typ) (mV)

135

Operating temperature range (°C)

-40 to 125

Package

VSSOP (DGK)-8-14.7 mm² 3 x 4.9

Features

  • Ultra Low Drop-Out Voltage
  • Low Ground Pin Current
  • <1µA Quiescent Current in Shutdown Mode
  • Independent Shutdown of Each LDO Regulator
  • Output Voltage Accuracy ±1%
  • Ensured 150mA Output Current at Each Output
  • Low Output Noise
  • Error Flags Indicate Status of Each Output
  • Available in VSSOP-8 Surface Mount Package
  • Low Output Capacitor Requirements (1µF)
  • Operates with Low ESR Ceramic Capacitors in Most Applications
  • Over Temperature/Over Current Protection
  • -40°C to +125°C Junction Temperature Range

Key Specifications

  • Dropout Voltage: Varies Linearly with Load Current. Typically 0.9 mV at 1mA Load Current and 135mV at 150mA Load Current
  • Ground Pin Current: Typically 300µA at 1mA Load Current and 340µA at 100mA Load Current (with One Shutdown Pin Pulled Low)
  • Shutdown Mode: Less than 1µA Quiescent Current when Both Shutdown Pins are Pulled Low
  • Error Flag: Open Drain Output, Goes Low when the Corresponding Output Drops 10% Below Nominal
  • Precision Output Voltage: Multiple Output Voltage Options Available Ranging from 1.8V to 5.0V with an Ensured Accuracy of ±1% at Room Temperature

All trademarks are the property of their respective owners.

  • Ultra Low Drop-Out Voltage
  • Low Ground Pin Current
  • <1µA Quiescent Current in Shutdown Mode
  • Independent Shutdown of Each LDO Regulator
  • Output Voltage Accuracy ±1%
  • Ensured 150mA Output Current at Each Output
  • Low Output Noise
  • Error Flags Indicate Status of Each Output
  • Available in VSSOP-8 Surface Mount Package
  • Low Output Capacitor Requirements (1µF)
  • Operates with Low ESR Ceramic Capacitors in Most Applications
  • Over Temperature/Over Current Protection
  • -40°C to +125°C Junction Temperature Range

Key Specifications

  • Dropout Voltage: Varies Linearly with Load Current. Typically 0.9 mV at 1mA Load Current and 135mV at 150mA Load Current
  • Ground Pin Current: Typically 300µA at 1mA Load Current and 340µA at 100mA Load Current (with One Shutdown Pin Pulled Low)
  • Shutdown Mode: Less than 1µA Quiescent Current when Both Shutdown Pins are Pulled Low
  • Error Flag: Open Drain Output, Goes Low when the Corresponding Output Drops 10% Below Nominal
  • Precision Output Voltage: Multiple Output Voltage Options Available Ranging from 1.8V to 5.0V with an Ensured Accuracy of ±1% at Room Temperature

All trademarks are the property of their respective owners.

Description

The LP2966 dual ultra low-dropout (LDO) regulator operates from a +2.70V to +7.0V input supply. Each output delivers 150mA over full temperature range. The IC operates with extremely low drop-out voltage and quiescent current, which makes it very suitable for battery powered and portable applications. Each LDO in the LP2966 has independent shutdown capability. The LP2966 provides low noise performance with low ground pin current in an extremely small VSSOP-8 package (refer to package dimensions and for more information on VSSOP-8 package). A wide range of preset voltage options are available for each output. In addition, many more are available upon request with minimum orders. In all, 256 voltage combinations are possible.

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