LP3855EMP-3.3/NOPB Part Information

Details for LP3855EMP-3.3/NOPB by Texas Instruments

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

Buy LP3855EMP-3.3/NOPB Directly from Texas Instruments (13971 in stock) at $1.8000

Part Description

The LP3852 and LP3855 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 quickly to step changes in load, which makes them suitable for low voltage microprocessor applications. The LP3852 and LP3855 are developed on a CMOS process which allows low quiescent-current operation independent of output load current, typically 4 mA at 1.5-A load current. This CMOS process also allows the LP3852 and LP3855 to operate under extremely low dropout conditions, typically 24 mV at 150-mA load current and 240 mV at 1.5-A load current. The LP3852 has an ERROR pin; it goes low when the output voltage drops 10% below nominal value. The LP3855 has a SENSE pin to improves regulation at remote loads. The LP3852 and LP3855 are available with fixed output voltages from 1.8 V to 5 V with a specified accuracy of ±1.5% at room temperature, and ±3% over all conditions (varying line, load, and temperature). Contact Texas Instruments Sales for specific voltage option needs.

Part Downloads

Part Features

  • 10-nA Quiescent Current in Shutdown Mode
  • ERROR Pin Indicates Output Status
  • Input Supply Voltage: 2.5 V to 7 V
  • Load Regulation of 0.06%
  • Low Ground-Pin Current
  • Output Voltage Accuracy u00b1 1.5%
  • Overtemperature/Overcurrent Protection
  • SENSE Option Improves Load Regulation
  • Specified Output Current of 1.5 A DC
  • Stable with Selected Ceramic Capacitors
  • 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. 3.3V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Output Current 1.5A
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 3.3V 1.5A LDO Voltage Regulators
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Output Voltage Nom. 3.3V
RoHS Compliant

Alternative Part Descriptions

  • 1.5-A, 7-V, ultra-low-dropout voltage regulator with enable | Texas Instruments

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