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LP38856T-1.2

Part No LP38856T-1.2
Manufacturer Texas Instruments
Catalog PMIC - Voltage Regulators - Linear
Description 3A Fast-Response High-Accuracy LDO Linear Regulator with Enable | IC REG LINEAR 1.2V 3A TO220-5
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Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Tube
Status Obsolete
Output Type Fixed
Voltage - Input (Maximum) 5.5V
Min/Fixed Output Voltage 1.2V
Maximum Dropout Voltage 0.45V at 3A
Output Current 3A
Current - Quiescent (Iq) 300μA
Maximum Supply Current 15mA
PSRR 80dB ~ 65dB (120Hz ~ 1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Temperature Range - Operating -40°C ~ 125°C
Mounting Style Through Hole
Manufacturer Package TO-220-5 Formed Leads
Supplier Device Package TO-220-5
Family Part Number LP38856
Manufacturer Pack Quantity 45
MSL Level 1 (Unlimited)
Win Source Part Number 1203603-LP38856T-1.2
Manufacturer Homepage www.national.com
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian LP38856T-1.2 CAD Model

Description

The LP38856T-1.2 is a high-performance, fast-response voltage regulator from Texas Instruments, designed to maintain a stable 1.2V output voltage with an input voltage range of 1.7V to 5.5V. This regulator is ideal for a wide variety of applications, including but not limited to, RF and high-speed digital circuits that require a low-dropout voltage and fast transient response.

Key Features

  • Output Voltage: Fixed 1.2V with a precision of ±1% over line, load, and temperature variations.
  • High Current Capability: Capable of delivering up to 3A of continuous output current.
  • Low Dropout: The low dropout voltage minimizes power loss and improves efficiency, making it suitable for battery-powered devices.
  • Stable with Low ESR Output Capacitors: Stable with ceramic capacitors as low as 10µF, reducing the size and cost of the overall solution.
  • Fast Transient Response: Designed to maintain output voltage stability during rapid load changes, ensuring reliable performance for sensitive applications.
  • Thermal Protection: Integrated thermal shutdown feature protects the device from damage due to overheating.
  • Adjustable Soft-Start: The soft-start feature limits inrush current during startup, providing a controlled voltage ramp.

Applications

The LP38856T-1.2 is versatile and can be used in a variety of applications, including:

  • FPGA, DSP, and ASIC Supplies
  • Networking and Telecommunications Equipment
  • Server and Storage Systems
  • Portable and Battery-Powered Electronics
  • Industrial and Medical Equipment

Package and Availability

This voltage regulator comes in a TO-220 package, known for its robustness and ease of handling. The LP38856T-1.2 is widely available through Texas Instruments' extensive distribution network, ensuring prompt delivery for both prototype development and mass production needs.

For detailed specifications, application notes, and additional resources, please visit the Texas Instruments official product page.

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