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Categories Integrated Circuits
Manufacturer STMicroelectronics
Packaging Reel - TR
Status Active
Output Type Fixed
Number of Regulators 1
Maximum Input Voltage 16V
Nominal Output Voltage (Min/Fixed) 3.3V
Dropout Voltage-Max 0.7V @ 500mA
Output Current 500mA
Operating Supply Current 1mA to 12mA
PSRR 80dB to 65dB (120Hz to 65dB)
Control Protection Features Over Current, Over Temperature
Temperature Range - Operating -40°C to 125°C
Regulator Topology Positive Fixed
Output Voltage 3.3V
Voltage - Dropout (Typical) 0.4V @ 500mA
Mounting SMD (SMT)
Case / Package D-Pak
Win Source Part Number 78753-LF33ABDT
Is this a common-used part? Yes
Popularity High
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian LF33ABDT CAD Model

Description

Introducing the LF33ABDT Voltage Regulator from STMicroelectronics

The LF33ABDT is a high-quality, fixed-output voltage regulator designed and manufactured by STMicroelectronics, a global leader in semiconductor solutions. This device is a part of the LFxx series, providing a reliable and stable 3.3V output voltage, which is essential for a wide range of electronic applications.

With its impressive low dropout voltage (LDO) feature, the LF33ABDT ensures efficient operation even when the input voltage is very close to the output voltage, making it particularly suitable for battery-powered devices where energy conservation is crucial. The regulator is capable of delivering up to 500 mA of continuous current, which is sufficient for most low-power applications such as microcontrollers, sensors, and analog circuits.

The LF33ABDT comes in a robust TO-220 package, known for its excellent thermal performance and ease of mounting on printed circuit boards. This package style is ideal for applications that require a higher power dissipation capability, ensuring that the device operates within its safe temperature range even under full load conditions.

One of the key features of the LF33ABDT is its low quiescent current, which significantly reduces power consumption when the device is in idle mode. This characteristic is particularly beneficial for portable and battery-operated devices, as it extends the overall battery life. Additionally, the built-in overtemperature and overcurrent protection mechanisms provide an extra layer of safety, safeguarding the device and the connected components from potential damage due to abnormal operating conditions.

Furthermore, the LF33ABDT is designed to be compatible with ceramic, tantalum, or aluminum electrolytic capacitors on the output, providing designers with flexibility in choosing the appropriate filtering components based on their specific application requirements. The regulator's wide operating temperature range, from -40°C to 125°C, ensures reliable performance across various environments and application scenarios.

In summary, the LF33ABDT from STMicroelectronics is a dependable and efficient voltage regulator that offers a stable power supply solution for a multitude of electronic devices. Its robust package, low dropout performance, and protection features make it an excellent choice for engineers and designers looking to enhance the reliability and efficiency of their power management systems.

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Pricing & Ordering

Quantity Unit Price Ext. Price
60+ $0.8704 $52.2240
145+ $0.7142 $103.5590
220+ $0.6918 $152.1960
300+ $0.6695 $200.8500
390+ $0.6472 $252.4080
520+ $0.5803 $301.7560
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Availability: 45,000 pieces
MOQ: 60 pcs
Order Increment : 1 piece
*Need More Quantity? *Request a Bulk Quantity Quotation?

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