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LP3983
  • LP3983
  • LP3983
  • LP3983
  • LP3983

LP3983

ACTIVE

5-mA, low-IQ, low-dropout voltage regulator with enable Key Specifications Package Key Specifications Package

Texas Instruments LP3983 Product Info

1 April 2026 3

Parameters

Rating

Catalog

Vin (max) (V)

6

Vin (min) (V)

2.7

Iout (max) (A)

0.005

Output options

Fixed Output

Vout (max) (V)

2.5

Vout (min) (V)

2.5

Fixed output options (V)

2.5

PSRR at 100 KHz (dB)

40

Iq (typ) (mA)

0.014

Features

Enable

Thermal resistance θJA (°C/W)

255

Load capacitance (min) (µF)

2.2

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

200

Operating temperature range (°C)

-40 to 125

Package

DSBGA (YZR)-5-2.02 mm² 1.616 x 1.25

Features

  • Miniature 5 Pin Package
  • Logic Controlled Enable
  • No Noise Bypass Capacitor Required
  • Stable with Low ESR Ceramic Capacitors
  • Fast Turn ON
  • Short Circuit Protection

Key Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltages: 1.6V, 1.8V, and 2.5V
  • Output Current: 5 mA
  • Output Capacitors: 1µF Low ESR
  • Virtually Zero IQ (Disabled): 1.0 µA
  • Low IQ (Enabled): 14 µA
  • PSRR: 10 dB
  • Fast Start Up: 170 µs

Package

  • 5 Bump Thin DSBGA Package

All trademarks are the property of their respective owners.

  • Miniature 5 Pin Package
  • Logic Controlled Enable
  • No Noise Bypass Capacitor Required
  • Stable with Low ESR Ceramic Capacitors
  • Fast Turn ON
  • Short Circuit Protection

Key Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltages: 1.6V, 1.8V, and 2.5V
  • Output Current: 5 mA
  • Output Capacitors: 1µF Low ESR
  • Virtually Zero IQ (Disabled): 1.0 µA
  • Low IQ (Enabled): 14 µA
  • PSRR: 10 dB
  • Fast Start Up: 170 µs

Package

  • 5 Bump Thin DSBGA Package

All trademarks are the property of their respective owners.

Description

The LP3983 is a fixed voltage low current regulator.

The LP3983 is ideally suited to standby type applications in battery powered equipment, it allows the lifetime of the battery to be maximized. The device can be controlled via an Enable(disable) control and can thus be used by the system to further extend the battery lifetime by reducing the power consumption to virtually zero.

Performance is specified for a -40°C to 125°C temperature range.

For output voltages other than those stated and alternative package options, please contact your local NSC sales office.

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