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Description
The 1117-1.2 is a low dropout voltage regulator capable of providing up to 1A of output current. It is part of the IL1117 series, which offers eight fixed voltage options including 1.2V, 1.25V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, and 5.0V. The IL1117 also comes in an adjustable version. The on-chip precision trimming allows for the adjustment of the output voltage within ±2%. The current limit is also trimmed to ensure a specified output current and controlled short-circuit current. This model is available in SOT-223, TO-252, and TO-220 packages. For improved transient response and stability, a minimum of 10uF tantalum capacitor is required at the output.
Specifications and features
- Dropout Voltage – 1.2V (Typ)
- Reference/Output Voltage Trimmed to ±1%
- Maximum Input Voltage – 15V
- Adjustable Output Voltage or Fixed options: 1.2V, 1.25V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5V
- Line Regulation typically at 0.2% max
- Load Regulation typically at 0.4% max
- Current Limiting and Thermal Protection
- Standard 3-Pin Power Packages
- Operating Junction Temperature Range: -40 to +125°C (for IL1117-1.2V: -40 to +150°C)
Application Scenarios
The 1117-1.2 voltage regulator is commonly used in various electronic devices and applications where a stable and regulated voltage is required. Some common application scenarios include:
- Power supply circuits for microcontrollers and other integrated circuits
- Battery-powered devices
- Sensor modules
- Audio amplifiers
Comparison
Advantages- Low dropout voltage
- Adjustable or fixed output voltage options
- Current limiting and thermal protection for added safety
- Wide operating temperature rangeDisadvantages- Requires a minimum of 10uF tantalum capacitor for improved stability
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Datasheet
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- Datasheet: Download 1117-1.2
- Chipdatas Part: CD87-1117-1.2
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
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- Last Updated: 2024/06/28 23:50 +0800
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