LP2950-33LPE3

Name: LP2950-33LPE3
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

LP2950-33LPE3 is a 3-TO-92 packaged voltage regulator capable of operating in temperatures ranging from -40 to 125 degrees Celsius

7,952 Effective Inventory

LP2950-33LPE3

Effective Inventory7,952

LP2950-33LPE3 is a 3-TO-92 packaged voltage regulator capable of operating in temperatures ranging from -40 to 125 degrees Celsius

Manufacturer Part # : LP2950-33LPE3
Package/Case: TO92-3
Brand: Texas Instruments
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Series : LP2950

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LP2950-33LPE3 DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.951	$0.95
10	$0.798	$7.98
30	$0.721	$21.63
100	$0.646	$64.60
500	$0.551	$275.50
1000	$0.528	$528.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LP2950-33LPE3 Details

The LP2950-33LPE3 is a low-dropout voltage regulator from Texas Instruments, designed for powering sensitive electronic components in various applications. This device features a wide input range, low dropout voltage, and tight line and load regulation, making it ideal for battery-powered devices, automotive electronics, and portable equipment.

Key Features

Wide Input Range: The LP2950-33LPE3 can operate with an input voltage up to 30V.
Rated Output Current of 100 mA: This device is designed to provide a maximum output current of 100mA.
Low Dropout: 380 mV (Typ) at 100 mA: The LP2950-33LPE3 features a low dropout voltage, making it suitable for applications where the input voltage may fluctuate.
Low Quiescent Current: 75 µA (Typ): This device has a low quiescent current, reducing power consumption and heat generation.
Tight Line Regulation: 0.03% (Typ): The LP2950-33LPE3 provides tight line regulation, ensuring a stable output voltage despite input voltage fluctuations.
Tight Load Regulation: 1.5% (Typ): This device also features tight load regulation, maintaining a stable output voltage even when the load current changes.

Applications

The LP2950-33LPE3 is suitable for powering various electronic components in applications such as:

Battery-powered devices
Automotive electronics
Portable equipment

Where to Use

The LP2950-33LPE3 can be used in a variety of applications where a stable and regulated output voltage is required. Some examples include:

Powering microcontrollers or other ICs
Supplying power to sensors, actuators, or other devices
Regulating the output voltage in automotive systems

How to Use

To use the LP2950-33LPE3, simply connect the input voltage to the IN pin and the desired output voltage to the OUT pin. Ensure proper power supply connections to VCC and GND.

Application Circuit

The application circuit diagram for the LP2950-33LPE3 illustrates how to connect the regulator to an input voltage source and load devices. It includes connections for power supply, ground, and output voltage lines, ensuring proper operation and stable output.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LDO (Low-Dropout) Regulators: The LP2950-33LPE3 can be compared to other LDO regulators from various manufacturers, such as the TLV703 or the NCP1117.

Complementary

The LP2950-33LPE3 can be complemented by other linear regulators or switching regulators that offer different features and performance characteristics, such as higher output currents or lower dropout voltages. When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Specifications

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

Output options	Fixed Output	Iout (max) (A)	0.1
Vin (max) (V)	30	Vin (min) (V)	2
Vout (max) (V)	5	Vout (min) (V)	3
Fixed output options (V)	3, 3.3, 5	Noise (µVrms)	100
Iq (typ) (mA)	0.075	Thermal resistance θJA (°C/W)	97
Rating	Catalog	Load capacitance (min) (µF)	1
Regulated outputs (#)	1	Accuracy (%)	3
PSRR at 100 KHz (dB)	57	Dropout voltage (Vdo) (typ) (mV)	110
Operating temperature range (°C)	-40 to 125

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LP2950-33LPE3 PDF Download

FAQs

What is LP2950-33LPE3?

The LP2950-33LPE3 is a low-power voltage regulator IC manufactured by Texas Instruments. It is a 3.3V fixed-output voltage regulator designed for low dropout applications. The LP2950-33LPE3 is commonly used in battery-powered devices, portable equipment, and other applications requiring a stable low-voltage power supply.

How Does LP2950-33LPE3 Work?

The LP2950-33LPE3 regulates the input voltage to a stable 3.3V output voltage with minimal dropout. It operates by comparing the output voltage to a reference voltage and adjusting the current flow through the regulator to maintain the desired output voltage. The device features low quiescent current and thermal shutdown protection for reliable operation.

How Many Pins does LP2950-33LPE3 have and What are the Functions of the Pinout Configuration?

The LP2950-33LPE3 is housed in a 3-pin SOT-89 (Small Outline Transistor) package. The pinout configuration includes:

VIN: Input power supply pin.
VOUT: Regulated 3.3V output voltage pin.
GND: Ground pin.

What are the Pros and Cons of LP2950-33LPE3?

Pros:

Low Dropout Voltage: Suitable for applications with tight voltage requirements.
Low Quiescent Current: Helps conserve power in battery-operated systems.
Small Package Size: Space-efficient design for compact PCB layouts.
Thermal Shutdown Protection: Enhances device reliability under high-temperature conditions.

Cons:

Fixed Output Voltage: Limited flexibility compared to adjustable voltage regulators.
Restricted Output Voltage: Only provides a fixed 3.3V output voltage.
External Components: May require additional capacitors for stability in some applications.

Are There Any Equivalents/Alternatives to LP2950-33LPE3 for Recommendation?

The LM2937-3.3 from Texas Instruments is a similar 3.3V fixed voltage regulator.
Alternatives to the LP2950-33LPE3 include the MCP1700-3302E from Microchip Technology and the XC6206P332MR-G from Torex Semiconductor.