LP38501ATJ-ADJ/NOPB

Name: LP38501ATJ-ADJ/NOPB
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Enable-equipped ultra-low-dropout voltage regulator with 3A adjustable output, identified as LP38501ATJ-ADJ/NOPB

7,470 Effective Inventory

LP38501ATJ-ADJ/NOPB

Effective Inventory7,470

Enable-equipped ultra-low-dropout voltage regulator with 3A adjustable output, identified as LP38501ATJ-ADJ/NOPB

Manufacturer Part # : LP38501ATJ-ADJ/NOPB
Package/Case: TO-263 (NDQ)-5
Brand: Texas Instruments
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Series : LP38501

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LP38501ATJ-ADJ/NOPB DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$1.306	$1.31
10	$1.105	$11.05
30	$0.994	$29.82
100	$0.869	$86.90
500	$0.814	$407.00
1000	$0.788	$788.00

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

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LP38501ATJ-ADJ/NOPB Details

The LP38501ATJ-ADJ/NOPB is an adjustable voltage regulator from Texas Instruments, designed to provide a stable and accurate output voltage in various electronic circuits. This regulator offers a wide input voltage range and adjustable output voltage through external resistor dividers. It is housed in a compact TO-263 package, making it suitable for space-constrained applications.

Pinout

1 (VIN): Input Voltage
2 (GND): Ground
3 (VOUT): Output Voltage
4 (ADJ): Adjustable Output

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Wide Input Voltage Range: Capable of accepting a wide range of input voltages for flexibility.
Adjustable Output Voltage: Allows for customization of the output voltage as per application requirements.
Low Dropout Voltage: Ensures efficient regulation even with small voltage differentials.
Overcurrent and Thermal Protection: Built-in protection features for safe operation.
High Efficiency: Provides high efficiency to minimize power loss.

Application

Power Management: Ideal for power supply and voltage regulation applications.
Embedded Systems: Suitable for embedded systems requiring stable voltages.
Consumer Electronics: Used in various consumer electronic devices for power regulation.

Where to Use

The LP38501ATJ-ADJ/NOPB is suitable for applications that demand reliable voltage regulation with adjustable output settings. It is commonly employed in power management systems, embedded electronics, and consumer devices to ensure stable and efficient operation.

How to Use

Connect the LP38501ATJ-ADJ/NOPB to your circuit by connecting VIN to the input voltage source and GND to the ground. The output voltage can be adjusted using an external resistor divider connected to the ADJ pin. Ensure proper decoupling capacitors and heat sinking for optimal performance. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LP38501ATJ-ADJ/NOPB illustrates how to integrate the voltage regulator into your electronic system. It includes connections for input voltage, output voltage, and adjustment components, ensuring proper regulation and stable operation.

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

Equivalents

LM317: A classic adjustable voltage regulator with similar functionality.
LM1117: An alternative fixed voltage regulator with comparable performance.

Complementary

The LP38501ATJ-ADJ/NOPB can be complemented by the LP38856, which offers higher output current capability and lower dropout voltage for more demanding applications.

When selecting complementary regulators, ensure compatibility with your system requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the LP38501ATJ-ADJ/NOPB?

A: The LP38501ATJ-ADJ/NOPB can handle input voltages up to a certain limit. Refer to the datasheet for specific details and operating conditions.

Q: Can the LP38501ATJ-ADJ/NOPB be used in automotive applications?

A: While the LP38501ATJ-ADJ/NOPB is primarily designed for general electronic applications, it can be utilized in automotive systems that require adjustable voltage regulation.

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	Iout (max) (A)	3
Vin (max) (V)	5.5	Vin (min) (V)	2.7
Vout (max) (V)	5	Vout (min) (V)	0.6
Noise (µVrms)	100	Iq (typ) (mA)	2
Thermal resistance θJA (°C/W)	33	Rating	Catalog
Load capacitance (min) (µF)	10	Regulated outputs (#)	1
Features	Enable	Accuracy (%)	2
PSRR at 100 KHz (dB)	25	Dropout voltage (Vdo) (typ) (mV)	420
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 LP38501ATJ-ADJ/NOPB PDF Download

FAQs

What is LP38501ATJ-ADJ/NOPB?

The LP38501ATJ-ADJ/NOPB is a low-dropout (LDO) linear voltage regulator designed by Texas Instruments. It is ideal for applications requiring stable output voltage with low dropout voltage, such as industrial power supplies, consumer electronics, and automotive systems.

How Does LP38501ATJ-ADJ/NOPB Work?

The LP38501ATJ-ADJ/NOPB operates as an adjustable linear voltage regulator. It provides a stable output voltage by regulating the input voltage through a pass element controlled by a feedback loop. The regulator features low dropout voltage, allowing efficient operation with a small difference between input and output voltage.

How Many Pins does LP38501ATJ-ADJ/NOPB have and What are the Functions of the Pinout Configuration?

The LP38501ATJ-ADJ/NOPB is housed in a 5-lead TO-263 (Surface Mount Package) package. The pinout configuration includes:

VIN: Input voltage pin.
VOUT: Output voltage pin.
GND: Ground pin.
ADJ: Adjust pin for setting the output voltage.
ENABLE: Enable pin to turn the regulator on or off.

What are the Pros and Cons of LP38501ATJ-ADJ/NOPB?

Pros:

Low Dropout Voltage: Operates with a low dropout voltage, enhancing efficiency.
Adjustable Output: Allows for adjustable output voltage, providing flexibility in different applications.
High Accuracy: Provides accurate and stable output voltage.
Thermal Protection: Includes thermal shutdown and current limit protection features.
Compact Package: The TO-263 package is suitable for space-constrained designs.

Cons:

Power Dissipation: May require heat sinking or additional cooling in high-power applications.
External Components: Requires external resistors to set the output voltage.
Limited Output Current: Suitable for applications with moderate current requirements.

Are There Any Equivalents/Alternatives to LP38501ATJ-ADJ/NOPB for Recommendation?

The LT3080 from Analog Devices is a similar adjustable LDO voltage regulator.
Alternatives to the LP38501ATJ-ADJ/NOPB include the LM317 from Texas Instruments and the NCP4681DSQ18T1G from ON Semiconductor.