LP3961EMP-2.5/NOPB Part Information

Details for LP3961EMP-2.5/NOPB by Texas Instruments

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

Part Description

The LP396x series of fast ultra-low-dropout linear regulators operate from a 2.5-V to 7-V input supply. A wide range of preset output voltage options are available. These ultra-low dropout linear regulators respond very fast to step changes in load which makes them suitable for low-voltage microprocessor applications. The LP3961 and LP3964 are developed on a CMOS process which allows low quiescent current operation independent of output load current, as well as operation under extremely low dropout conditions. Dropout Voltage: Ultra-low dropout voltage; typically 24 mV at 80-mA load current and 240 mV at 800-mA load current. Ground Pin Current: Typically 4 mA at 800-mA load current. ERROR Flag: ERROR flag goes low when the output voltage drops 10% below nominal value (for LP3961). SENSE: SENSE pin improves regulation at remote loads (for LP3964). Precision Output Voltage: Multiple output voltage options are available ranging from 1.2 V to 5 V and adjustable (LP3964), with a specified accuracy of ±1.5% at room temperature, and ±3% over all conditions (varying line, load, and temperature).

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Part Features

  • 15-u00b5A Quiescent Current in Shutdown Mode
  • ERROR Flag Indicates Output Status (LP3961)
  • Extremely Low Output Capacitor Requirements
  • Input Supply Voltage: 2.5 V to 7 V
  • Load Regulation of 0.02%
  • Low Ground Pin Current
  • Output Voltage Accuracy u00b11.5%
  • Overtemperature and Overcurrent Protection
  • Sense Option Improves Better Load Regulation (LP3964)
  • Specified Output Current of 0.8-A DC
  • Ultra-Low Dropout Voltage
  • u221240u00b0C to 125u00b0C Junction Temperature Range

Part Specifications

Output Type Fixed
Input Voltage Min 2.5V
Input Voltage Max 7V
Fixed Output Voltage Nom. 2.5V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Output Current 800mA
Dropout Voltage Vdo 240mV
LDO Regulator Case Style SOT-223
No. of Pins 5Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range 2.5V 800mA LDO Voltage Regulators
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 1.5%
Base Number 3961
Device Marking LP3961EMP-2.5
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +125°C
Operating Voltage Tolerance + 1.5%
Output Current Max 0.8A
Output Voltage Nom. 2.5V
Primary Input Voltage 3.5V
Supply Voltage Max 7V
Voltage Regulator Type Positive Fixed LDO
RoHS Compliant

Alternative Part Descriptions

  • 800mA,2.5V,LDO Voltage Reg,LP3961EMP-2.5 | RS Components
  • LDO VOLTAGE REGULATOR, 2.5V, 0.8A, SOT-2; MSL:MSL 1 - Unlimited; SVHC:No SVHC (15-Jan-2019) RoHS Compliant: Yes | Newark Electronics
  • 800-mA, high-accuracy, low-dropout voltage regulator with enable | Texas Instruments
  • LDO Voltage Regulator [Texas Instruments] LP3961EMP-2.5/NOPB LDO Voltage Regulator | Distrelec

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