TLV1117-33CDCY
3.3V low dropout voltage regulators with 800mA output, SOT-223 package
Manufacturer： ['rochester', 'analog-devices', 'ti']
series introduction
# TLV1117 - 33CDCY Product Series Introduction
## 1. Overview
The TLV1117 - 33CDCY belongs to a family of low - dropout (LDO) voltage regulators. These regulators are essential components in modern electronic circuits, providing a stable and regulated output voltage from an input voltage source that may vary. The "33" in the part number indicates that it is designed to provide a fixed output voltage of 3.3V, which is a very common voltage level used in a wide range of electronic devices, such as microcontrollers, digital signal processors, and other integrated circuits.
## 2. Key Features
### 2.1 Low Dropout Voltage
One of the most significant features of the TLV1117 - 33CDCY is its low dropout voltage. Dropout voltage is the minimum difference between the input voltage and the output voltage required for the regulator to maintain a stable output. For this series, the low dropout voltage allows it to operate efficiently even when the input voltage is only slightly higher than the 3.3V output voltage. This is particularly useful in battery - powered applications, where the battery voltage gradually decreases over time. With a low dropout voltage, the regulator can continue to provide a stable 3.3V output for a longer period, maximizing the battery life.
### 2.2 High Output Current Capability
The TLV1117 - 33CDCY is capable of supplying a relatively high output current. It can typically deliver up to 800mA of continuous output current, which makes it suitable for powering a variety of load circuits. Whether it's a small - scale embedded system or a more power - hungry component, this regulator can meet the current demands without significant voltage drops.
### 2.3 Excellent Line and Load Regulation
Line regulation refers to the ability of the regulator to maintain a constant output voltage when the input voltage changes. Load regulation, on the other hand, is the regulator's ability to keep the output voltage stable when the load current varies. The TLV1117 - 33CDCY offers excellent line and load regulation characteristics. This ensures that the 3.3V output remains within a tight tolerance range, regardless of fluctuations in the input voltage or changes in the load current. As a result, the connected electronic components can operate reliably and consistently.
### 2.4 Thermal Overload and Short - Circuit Protection
To enhance the reliability and safety of the regulator, the TLV1117 - 33CDCY is equipped with thermal overload and short - circuit protection mechanisms. In the event of excessive power dissipation due to high load currents or abnormal operating conditions, the thermal overload protection will automatically reduce the output current or shut down the regulator to prevent overheating and damage. Similarly, if a short - circuit occurs at the output, the short - circuit protection will limit the current flow, protecting both the regulator and the connected components from potential damage.
## 3. Package and Pin Configuration
The "CDCY" in the part number indicates the specific package type of the TLV1117 - 33CDCY. It is typically available in a small - outline integrated circuit (SOIC) package, which is a popular choice for surface - mount applications. The SOIC package offers several advantages, including a compact size, ease of assembly on printed circuit boards (PCBs), and good thermal performance.
The pin configuration of the TLV1117 - 33CDCY is designed for easy integration into electronic circuits. It usually has three main pins: the input pin (VIN), the output pin (VOUT), and the ground pin (GND). The input pin is connected to the power source, the output pin provides the regulated 3.3V voltage to
Images for reference
SOT223-3L
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