LP3990MF-1.8 Part Information

Details for LP3990MF-1.8 by Texas Instruments

Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators

Part Description

The LP3990 regulator is designed to meet the requirements of portable, battery-powered systems providing an accurate output voltage, low-noise, and low-quiescent current. The LP3990 will provide a 0.8V output from the low input voltage of 2 V at up to a 150-mA load current. When switched into shutdown mode via a logic signal at the enable pin (EN), the power consumption is reduced to virtually zero. The LP3990 is designed to be stable with spacesaving ceramic capacitors with values as low as 1 µF. Performance is specified for a –40°C to 125°C junction temperature range. For output voltages other than 0.8 V, 1.2 V, 1.35 V, 1.5 V, 1.8 V, 2.5 V, 2.8 V, or 3.3 V, please contact the Texas Instruments sales office.

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Part Features

  • 1% Voltage Accuracy at Room Temperature
  • Fast Start-Up, 105 u00b5s
  • Input Voltage Range, 2 V to 6 V
  • Logic Controlled Enable
  • Low Output Noise, 150 u00b5VRMS
  • No Noise Bypass Capacitor Required
  • Output Current, 150 mA
  • Output Stable - Capacitors, 1 u00b5F
  • Output Voltage Range, 0.8 V to 3.3 V
  • PSRR, 55 dB at 1 kHz
  • Stable with Ceramic Capacitor
  • Thermal-Overload and Short-Circuit Protection
  • Very Low IQ (Enabled), 43 u00b5A
  • Virtually Zero IQ (Disabled), < 10 nA

Part Specifications

Output Type Fixed
Input Voltage Min 2V
Input Voltage Max 6V
Fixed Output Voltage Nom. 1.8V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Output Current 150mA
Dropout Voltage Vdo 120mV
LDO Regulator Case Style SOT-23
No. of Pins 5Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range 1.8V 150mA LDO Voltage Regulators
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 1%
Base Number 3990
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +85°C
Operating Voltage Tolerance + 1%
Output Current Max 0.15A
Output Voltage Nom. 1.8V
Primary Input Voltage 2.8V
Supply Voltage Max 6V
Supply Voltage Min 2V
Termination Type Surface Mount Device
Voltage Regulator Type Linear Voltage Regulator
RoHS Compliant

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