LD1117V33C

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The LD1117V33C is a linear voltage regulator that is classified under PMIC, Voltage Regulators and Linear. It is produced by STMicroelectronics, one of the world\'s leading semiconductor companies, and it can support high voltage capacity and current up to 1.5A. The LD1117V33C has a wide range of applications, such as embedded systems, personal computers (PCs), cellular phones, automotive applications, and instrumentation.

LD1117V33C Features:

• Output voltage is adjustable and it can be programmed to 4.5V to 1.8V.
• Output current is up to 1.5 A, suitable for most portable and battery powered applications.
• High circuit stability, high ripple rejection and low input and output noise.
• Low dropout operation, wide operating temperature range and low operating current.
• Excellent reverse battery protection, over-current and over-temperature protection.
• 5-pin SOT223 package with fast transient response time.

Now, let’s understand the working principle of LD1117V33C. The regulator is based on a PNP Pass transistor architecture. It has two voltage supply inputs, an adjustable reference voltage (ADJ) and an output voltage (OUT). The input voltage is applied across the regulator, and the reference voltage is fed to the internal comparator. The internal ESR and output capacitor are used to convert the AC ripple to DC, and the output voltage is regulated when the reference voltage applied is superior to the internal reference voltage.

The LD1117V33C is packaged in an industry standard 5-pin SOT223 package and its footprint is very small. In addition, the regulator has excellent reliability and is capable of operating at temperatures ranging from -40°C to +125°C. It also has a wide range of external components, such as a ceramic output capacitor, a 50V Zener diode to protect against reverse connection, as well as a suitable input capacitor. Due to its small size, low power consumption and low cost, the LD1117V33C has become a very attractive solution for many low-power applications.

The LD1117V33C is used for the design and implementation of voltage regulation systems for various applications such as embedded systems, PC, ADAS, and telecommunications. It can be used in automotive applications to regulate the voltage of 12V and 5V systems, or it can be used in telecommunications and communications applications to regulate battery voltages. In addition, the LD1117V33C can be used as a drop-in replacement for other voltage regulator models such as the 78LXX series, the LM339, and the LM317.

The LD1117V33C is a low-cost, low-dropout (LDO) linear voltage regulator that is suitable for use in many applications where high voltage capacity and current ratings is needed. It has a wide range of features such as adjustable output voltage, high ripple rejection, excellent over-temperature protection, reverse battery protection, and low operating current. In addition, it is packaged in an industry standard 5-pin SOT223 package, making it an attractive solution for many low-power applications.

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