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LP2951-33D

Description: LDO regulator with a 3.3V output voltage, 0.1A current capability, and a 8-pin SOIC package in a tube

Quantity Unit Price(USD) Ext. Price
1 $0.355 $0.36
10 $0.348 $3.48
30 $0.343 $10.29
100 $0.339 $33.90

Inventory:8,906

*The price is for reference only.
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Overview of LP2951-33D

The LP2951-33D is a low dropout voltage regulator designed to provide a fixed 3.3V output voltage with a 100mA output current capability. It is suitable for use in various power supply applications where a stable 3.3V voltage source is required.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • IN: Voltage input
  • GND: Ground
  • ADJ: Output voltage adjust pin
  • VOUT: Regulated output voltage
  • BYPASS: Bypass pin for noise reduction

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LP2951-33D voltage regulator for a visual representation.

Key Features

  • Low Dropout Voltage: The LP2951-33D operates with a low dropout voltage, ensuring efficient regulation of the output voltage, even with small input-output differentials.
  • Low Quiescent Current: With a low quiescent current, this voltage regulator minimizes power consumption when providing a stable output voltage.
  • Short Circuit Protection: The device incorporates protection circuitry to safeguard against damage due to output short circuits or overcurrent conditions.
  • Thermal Shutdown: Includes a thermal shutdown feature to prevent the IC from overheating under high load or fault conditions.
  • Adjustable Output: The ADJ pin allows for adjusting the output voltage to a precise value when required.

Note: For detailed technical specifications, please refer to the LP2951-33D datasheet.

Application

  • Embedded Systems: Ideal for providing a stable 3.3V supply to microcontrollers, sensors, and other embedded components.
  • Battery-Powered Devices: Suitable for powering low-power electronics and sensors in battery-operated systems.
  • Consumer Electronics: Used in various consumer electronic products where a regulated 3.3V supply is required.

Functionality

The LP2951-33D is a low dropout voltage regulator that delivers a consistent 3.3V output voltage, making it well-suited for applications requiring a stable and reliable power source.

Usage Guide

  • Input Connection: Connect the IN pin to the input voltage source.
  • Adjustable Output: Use the ADJ pin to adjust the output voltage when necessary.
  • Bypass Capacitor: Connect the BYPASS pin to an external capacitor for noise reduction.

Frequently Asked Questions

Q: What is the dropout voltage of the LP2951-33D?
A: The LP2951-33D has a low dropout voltage, typically around 300mV at full load.

Q: Is the LP2951-33D suitable for use in battery-operated devices?
A: Yes, the LP2951-33D's low quiescent current and small package size make it an excellent choice for battery-powered applications requiring a stable 3.3V supply.

Equivalent

For similar functionalities, consider these alternatives to the LP2951-33D:

  • LM1117-3.3: A 3.3V low dropout voltage regulator with similar characteristics to the LP2951-33D, suitable for low-power applications.
  • XC6206P332MR: This is a low dropout voltage regulator from Torex Semiconductor, offering comparable performance and features to the LP2951-33D.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Output options Adjustable Output, Fixed Output Iout (max) (A) 0.1
Vin (max) (V) 30 Vin (min) (V) 2
Vout (max) (V) 29 Vout (min) (V) 1.2
Fixed output options (V) 3, 3.3, 5 Noise (µVrms) 160
Iq (typ) (mA) 0.075 Thermal resistance θJA (°C/W) 52, 97
Rating Catalog Load capacitance (min) (µF) 1
Regulated outputs (#) 1 Features Enable, Power good
Accuracy (%) 3 PSRR at 100 KHz (dB) 57
Dropout voltage (Vdo) (typ) (mV) 380 Operating temperature range (°C) -40 to 125

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Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

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packageimg

LP2951-33D

Description: LDO regulator with a 3.3V output voltage, 0.1A current capability, and a 8-pin SOIC package in a tube

Inventory:

8,906