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IC REG LINEAR POS ADJ 1.5A TO263
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ManufacturerTexas Instruments
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Mfr. Part #LP3965ESX-ADJ
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Datasheet LP3965ESX-ADJ DataSheet
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In Stock8397
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min / Fixed) | 1.216V |
| Voltage - Output (Max) | 5.1V |
| Voltage Dropout (Max) | 0.55V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 9 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 60dB ~ 40dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| Base Product Number | LP3965 |
Overview
Description
The LP3965ESX-ADJ is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage with low quiescent current. It features an adjustable output voltage range, allowing flexibility for various applications. The device can deliver up to 1A of output current while maintaining a low dropout voltage, typically around 0.2V, enhancing efficiency, especially in battery-operated devices.
Key features include thermal overload protection, short-circuit protection, and an enable pin for power management. The LP3965ESX-ADJ operates over a wide input voltage range and can handle transient loads, making it suitable for a variety of applications, including portable electronics, telecommunications, and other power-sensitive devices.
Its small package size facilitates easy integration into compact designs. The adjustable nature and performance characteristics make it a versatile choice for engineers seeking reliable power regulation solutions.
Key features include thermal overload protection, short-circuit protection, and an enable pin for power management. The LP3965ESX-ADJ operates over a wide input voltage range and can handle transient loads, making it suitable for a variety of applications, including portable electronics, telecommunications, and other power-sensitive devices.
Its small package size facilitates easy integration into compact designs. The adjustable nature and performance characteristics make it a versatile choice for engineers seeking reliable power regulation solutions.
Equivalent
The LP3965ESX-ADJ is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. LM1084 - A low dropout regulator with adjustable output.
2. LT1085 - Another adjustable LDO with similar specifications.
3. LM317 - An adjustable voltage regulator, though with a higher dropout voltage.
4. MIC5205 - A low dropout adjustable regulator with lower current capacity.
Always verify specific application requirements and characteristics before substitution.
1. LM1084 - A low dropout regulator with adjustable output.
2. LT1085 - Another adjustable LDO with similar specifications.
3. LM317 - An adjustable voltage regulator, though with a higher dropout voltage.
4. MIC5205 - A low dropout adjustable regulator with lower current capacity.
Always verify specific application requirements and characteristics before substitution.
Features
The LP3965ESX-ADJ is a low-dropout (LDO) voltage regulator designed for various applications that require stable and adjustable output voltage. Key features include:
1. Adjustable Output Voltage: Allows for customization of the output voltage from 1.2V to 5.0V, providing flexibility for different circuit requirements.
2. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of typically around 300mV at 1A load, enabling functionality with minimal input-output voltage difference.
3. High Output Current: Capable of delivering up to 1.5A, making it suitable for powering a variety of devices.
4. Low Quiescent Current: Enhances efficiency, especially in battery-powered applications.
5. Thermal Shutdown and Current Limiting: Provides protection against overheating and overcurrent conditions, ensuring reliability and safety.
6. Wide Input Voltage Range: Operates from a wide range of input voltages (up to 20V), accommodating various power supply scenarios.
7. Compact Package: Available in a small footprint, suitable for space-constrained designs.
Overall, it is ideal for portable devices, instrumentation, and telecom applications.
1. Adjustable Output Voltage: Allows for customization of the output voltage from 1.2V to 5.0V, providing flexibility for different circuit requirements.
2. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of typically around 300mV at 1A load, enabling functionality with minimal input-output voltage difference.
3. High Output Current: Capable of delivering up to 1.5A, making it suitable for powering a variety of devices.
4. Low Quiescent Current: Enhances efficiency, especially in battery-powered applications.
5. Thermal Shutdown and Current Limiting: Provides protection against overheating and overcurrent conditions, ensuring reliability and safety.
6. Wide Input Voltage Range: Operates from a wide range of input voltages (up to 20V), accommodating various power supply scenarios.
7. Compact Package: Available in a small footprint, suitable for space-constrained designs.
Overall, it is ideal for portable devices, instrumentation, and telecom applications.
Pinout
The LP3965ESX-ADJ is a low-dropout (LDO) voltage regulator with a pin count of 8. The functions of its pins are as follows:
1. Input (VIN): Supply voltage input.
2. Output (VOUT): Regulated output voltage.
3. Adjust (ADJ): Used to set the output voltage (for adjustable version).
4. Ground (GND): Circuit ground reference.
5. Enable (EN): Enables or disables the regulator when driven high or low.
6. Bypass (BP): Bypass pin for noise reduction (optional use).
7. Current Limit (CL): Connection for current limiting (optional).
8. Thermal Pad: Used for heat dissipation.
The LP3965 is known for its low quiescent current and low dropout voltage, making it suitable for battery-operated devices.
1. Input (VIN): Supply voltage input.
2. Output (VOUT): Regulated output voltage.
3. Adjust (ADJ): Used to set the output voltage (for adjustable version).
4. Ground (GND): Circuit ground reference.
5. Enable (EN): Enables or disables the regulator when driven high or low.
6. Bypass (BP): Bypass pin for noise reduction (optional use).
7. Current Limit (CL): Connection for current limiting (optional).
8. Thermal Pad: Used for heat dissipation.
The LP3965 is known for its low quiescent current and low dropout voltage, making it suitable for battery-operated devices.
Manufacturer
The LP3965ESX-ADJ is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, with a strong focus on analog and embedded processing. The company is recognized for its innovative solutions in electronic components and systems, catering to diverse industries, including automotive, industrial, communications, and consumer electronics. Founded in 1930, TI has played a significant role in the development of the electronics industry, known for its high-quality products and commitment to technological advancement.
Application
The LP3965ESX-ADJ is a low-dropout voltage regulator primarily used in battery-powered devices, portable electronics, and power management applications. Its adjustable output voltage feature makes it suitable for various applications including power supplies for microcontrollers, sensors, and RF devices. It's also employed in automotive systems, LED drivers, and telecommunications equipment due to its efficiency and low noise characteristics. Additionally, it serves in consumer electronics, industrial automation, and medical devices, where precise voltage regulation is essential.
Package
The LP3965ESX-ADJ is packaged in a 3-pin SOT-223 package type. This compact surface-mount package is designed for low-profile applications.
