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LD1117D33CTR

Name: LD1117D33CTR
Rating: 4.7 (12 reviews)

IC REG LINEAR 3.3V 800MA 8-SOIC

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Mfr。パート #LD1117D33CTR
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データシート LD1117D33CTR DataSheet
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仕様

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	15V
Voltage - Output (Min/Fixed)	3.3V
Voltage Dropout (Max)	1.3V @ 800mA
Current - Output	800mA
Current - Quiescent (Iq)	10 mA
PSRR	75dB (120Hz)
Protection Features	Over Current, Over Temperature
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	LD1117

概要

Description

The LD1117D33CTR is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V. It is part of the LD1117 series, which is known for its high efficiency and low noise operation. This device can deliver up to 800 mA of output current while maintaining a dropout voltage of typically 1.2V at full load, making it suitable for battery-powered applications.
Key features include an input voltage range from 4.5V to 15V, thermal overload protection, and short-circuit protection. The LD1117D33CTR is available in a TO-220 package, ideal for applications where space and heat dissipation are considerations. Its performance makes it suitable for microcontrollers, sensors, and other low-voltage devices in consumer electronics, automotive, and industrial applications.
Overall, the LD1117D33CTR is a reliable choice for designers needing a compact and efficient power regulation solution.

Features

The LD1117D33CTR is a low dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V with a maximum output current of 800 mA. Key features include:
1. Low Dropout Voltage: Typically around 1.2V, allowing operation close to the input voltage.
2. High Accuracy: Output voltage tolerance is typically ±1%, ensuring reliable performance.
3. Thermal Protection: Built-in thermal shutdown protects the device from overheating.
4. Short-Circuit Protection: Safeguards against excessive current conditions.
5. Wide Input Voltage Range: Operates with input voltages from 4.5V to 15V.
6. Low Quiescent Current: Consumes minimal power, making it suitable for battery-operated devices.
7. Package: Available in a compact TO-220 package, facilitating easy integration into electronic designs.
These features make the LD1117D33CTR suitable for a variety of applications, including power management and signal conditioning in consumer electronics, telecommunications, and automotive systems.

Package

The LD1117D33CTR is packaged in a TO-220 form factor, which is a popular type of package for voltage regulators and power devices, providing good thermal performance and easy mounting.

Pinout

The LD1117D33CTR is a low-dropout (LDO) voltage regulator with a pin count of 3. Its primary function is to provide a stable output voltage of 3.3V from a higher input voltage, suitable for powering various electronic devices.
### Pin Configuration:
1. Input (VIN): This pin receives the input voltage, which should be higher than the output voltage (3.3V) by a certain margin to maintain proper regulation.
2. Ground (GND): This is the common ground reference for the circuit.
3. Output (VOUT): This pin delivers the regulated output voltage of 3.3V.
The LD1117D33CTR is designed for applications that require a compact, efficient, and stable power supply solution. Its low dropout voltage makes it ideal for battery-powered devices.

Manufacturer

The LD1117D33CTR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company known for designing and manufacturing a wide range of analog, embedded processing, and digital signal processing (DSP) solutions. Founded in 1930, TI is headquartered in Dallas, Texas, and serves various markets, including automotive, industrial, personal electronics, and communications. The company is recognized for its innovation and development of microcontrollers, processors, and various other electronic components, contributing to advancements in technology across numerous industries.

Application

The LD1117D33CTR is a low-dropout (LDO) voltage regulator primarily used in power supply circuits requiring stable output voltage, commonly 3.3V. Application areas include microcontrollers, digital signal processors, and other low-power devices. It is suitable for use in consumer electronics, telecommunications, automotive electronics, and industrial equipment, providing efficient voltage regulation in compact designs.

Equivalent

The LD1117D33CTR is a low-dropout (LDO) voltage regulator outputting 3.3V. Equivalent products include:
1. LM1117-3.3 (Texas Instruments)
2. MIC5205-3.3 (Microchip)
3. LT1117-3.3 (Analog Devices)
4. LM1084-3.3 (Texas Instruments)
5. LP2985-33DBVR (Texas Instruments)
Always verify specifications like current rating and package to ensure compatibility.