LD1117DT12CTR

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LD1117DT12CTR

IC REG LINEAR 1.2V 800MA DPAK

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사양

Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 15V
Voltage - Output (Min/Fixed) 1.2V
Voltage Dropout (Max) 1.3V @ 800mA
Current - Output 800mA
Current - Quiescent (Iq) 5 mA
PSRR 75dB (120Hz)
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package DPAK
Base Product Number LD1117

개요

Description

The LD1117DT12CTR is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage with low input-to-output voltage differential. It is part of the LD1117 family, which is known for its high performance and reliability. The "DT" in its designation indicates a specific package type, while "12" signifies a fixed output voltage of 1.2V. The "C" indicates it is a consumer-grade part.
This regulator can deliver output currents up to 800mA and features built-in short-circuit and thermal protection. Its low dropout voltage (typically around 1.1V at full current) allows it to maintain regulation even when the input voltage is close to the output voltage, making it suitable for battery-operated devices.
The LD1117DT12CTR is often used in applications such as microcontrollers, digital circuits, and various consumer electronics where stable voltage is critical. It operates over a wide temperature range and is available in a surface-mount package, facilitating efficient PCB designs.

Features

The LD1117DT12CTR is a low dropout (LDO) voltage regulator that provides a stable output voltage of 1.2V. It features a maximum output current of 800mA, making it suitable for a variety of applications, including microcontrollers and other digital circuits. The device has a low dropout voltage of around 1.2V at full load, ensuring efficient operation even with a small difference between input and output voltage.
Key features include:
- Input Voltage Range: Up to 15V
- Output Voltage Tolerance: ±2% at room temperature
- Thermal shutdown and current limit protections ensure reliable operation
- Available in a compact 3-pin TO-220 package, suitable for heat dissipation
- Wide temperature range: -40°C to 125°C
- High power supply ripple rejection (PSRR) and low output noise
These characteristics make the LD1117DT12CTR ideal for use in power management applications requiring a reliable 1.2V power source.

Package

The LD1117DT12CTR is packaged in a surface-mount SO-8 (Small Outline) package type.

Pinout

The LD1117DT12CTR is a low-dropout (LDO) voltage regulator with a pin count of 5. Its functions are as follows:
1. Input (Vin): This pin connects to the input voltage source, which must be higher than the desired output voltage.
2. Output (Vout): This pin delivers the regulated output voltage. For LD1117DT12CTR, the output voltage is typically 1.2V.
3. Ground (GND): This pin is connected to the ground reference.
4. Adjust (Adj): This pin is used for adjustable output configurations in variants; however, in the fixed version (1.2V), it is internally connected.
5. Enable (EN): This pin is used to enable or disable the LDO operation.
The LD1117 series is known for its low dropout voltage, making it suitable for applications requiring efficient power management.

Manufacturer

The LD1117DT12CTR is manufactured by Texas Instruments (TI). Texas Instruments is a multinational technology company renowned for its development of semiconductors and various integrated circuits. Founded in 1930, the company is headquartered in Dallas, Texas, and is a key player in the electronics industry. TI specializes in a wide range of products, including analog electronics, digital signal processors, embedded processors, and microcontrollers. It serves various sectors, including automotive, industrial, communications, and consumer electronics. The LD1117 series is a low-dropout linear voltage regulator, commonly used in power management applications.

Application

The LD1117DT12CTR is a low-dropout (LDO) voltage regulator primarily used in power management applications. It provides a stable output voltage of 1.2V and is commonly employed in consumer electronics, microcontrollers, and portable devices. Its application areas include battery-powered devices, smartphones, tablets, and other applications requiring efficient voltage regulation with minimal power loss. Additionally, it is suitable for use in automotive electronics and industrial equipment requiring reliable power supply solutions.

Equivalent

The LD1117DT12CTR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. LM1117-12 (Texas Instruments)
2. MIC5205-12 (Microchip)
3. LT1117-12 (Analog Devices)
4. MCP1825S-1202E (Microchip)
Ensure to check specifications like output current, dropout voltage, and package type for compatibility.

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