LP2953AIM/NOPB Part Information

Details for LP2953AIM/NOPB by Texas Instruments

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

Part Description

The LP2952 and LP2953 are micropower voltage regulators with very low quiescent current (130 μA typical at 1-mA load) and very low dropout voltage (typically 60 mV at light load and 470 mV at 250-mA load current). They are ideally suited for batterypowered systems. Furthermore, the quiescent current increases only slightly at dropout, which prolongs battery life. The LP2952 and LP2953 retain all the desirable characteristics of the LP2951, but offer increased output current, additional features, and an improved shutdown function. The automatic output discharge pulls the output down quickly when the shutdown is activated. The error flag goes low if the output voltage drops out of regulation. Reverse battery-input protection is provided. The internal voltage reference is made available for external use, providing a low temperature coefficient (20 ppm/°C) reference with very good line (0.03%) and load (0.04%) regulation.

Part Downloads

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Part Features

  • 2.3-V to 30-V Input Voltage Range
  • 250-mA Output Current
  • 50-mA (Typical) Automatic Output Discharge
  • Current and Thermal Limiting
  • Extremely Low Quiescent Current
  • Extremely Tight Line and Load Regulation
  • LP2953 Versions Only
  • Low Dropout Voltage
  • Output Voltage Adjusts from 1.23 V to 29 V
  • Reverse Battery-Input Protection
  • Very Low Temperature Coefficient

Part Specifications

Output Type Adjustable
Input Voltage Min -20V
Input Voltage Max 30V
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min 1.23V
Adjustable Output Voltage Max 29V
Output Current 250mA
Dropout Voltage Vdo 470mV
LDO Regulator Case Style SOIC
No. of Pins 16Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 2953
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +125°C
Output Voltage 29V
Output Voltage Adjustable Range 1.23V to 29V
Output Voltage Max 29V
Output Voltage Min 1.23V
Primary Input Voltage 30V
Termination Type Surface Mount Device
Voltage Regulator Type LDO Adjustable Positive
RoHS Compliant

Alternative Part Descriptions

  • 250-mA, 30-V, low-dropout voltage regulator with power good & enable | Texas Instruments

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