Overview
The LM1117DT-3.3/NOPB is a low dropout voltage regulator (LDO) produced by Texas Instruments. This device is part of the LM1117 series, known for its high performance and reliability. The LM1117DT-3.3/NOPB is specifically designed to provide a fixed output voltage of 3.3V with a maximum output current of 800mA. It features a low dropout voltage of 1.2V at 800mA, making it suitable for a wide range of applications where efficient voltage regulation is crucial.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current | 800 | mA |
| Dropout Voltage | 1.2 | V (at 800mA) |
| Line Regulation | 0.2% | (maximum) |
| Load Regulation | 0.4% | (maximum) |
| Operating Temperature Range | 0°C to 125°C | |
| Package Type | TO-252 (D-PAK) | |
| Minimum Output Capacitor | 10µF (tantalum) |
Key Features
- Available in fixed output voltages (1.8V, 2.5V, 3.3V, 5V) and an adjustable version (1.25V to 13.8V)
- Space-saving SOT-223 and WSON packages available
- Current limiting and thermal protection
- Zener trimmed band-gap reference for output voltage accuracy to within ±1%
- Low dropout voltage of 1.2V at 800mA
- Green product, no Sb/Br
Applications
- Power management in various systems
- AC drive power stage modules
- Merchant network and server power supplies
- Industrial AC/DC power supplies
- Ultrasound scanners
- Servo drive control modules
- Battery chargers and battery-powered instrumentation
- Post-regulator for switching DC/DC converters
Q & A
- What is the output voltage of the LM1117DT-3.3/NOPB?
The output voltage of the LM1117DT-3.3/NOPB is 3.3V.
- What is the maximum output current of the LM1117DT-3.3/NOPB?
The maximum output current is 800mA.
- What is the dropout voltage of the LM1117DT-3.3/NOPB at 800mA?
The dropout voltage is 1.2V at 800mA.
- What type of package is the LM1117DT-3.3/NOPB available in?
The LM1117DT-3.3/NOPB is available in the TO-252 (D-PAK) package.
- What is the minimum output capacitor required for the LM1117DT-3.3/NOPB?
A minimum of 10µF tantalum capacitor is required at the output.
- Does the LM1117DT-3.3/NOPB have current limiting and thermal protection?
Yes, it features current limiting and thermal protection.
- What is the operating temperature range of the LM1117DT-3.3/NOPB?
The operating temperature range is 0°C to 125°C.
- Is the LM1117DT-3.3/NOPB a green product?
Yes, it is a green product with no Sb/Br.
- What are some common applications of the LM1117DT-3.3/NOPB?
Common applications include power management, AC drive power stage modules, merchant network and server power supplies, industrial AC/DC power supplies, ultrasound scanners, and servo drive control modules.
- Can the LM1117DT-3.3/NOPB be used in adjustable voltage configurations?
Yes, the LM1117 series includes an adjustable version that can set the output voltage from 1.25V to 13.8V with two external resistors.
