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Description
800mA Low-Dropout Linear Regulator
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
1. Description
The LM1117 is a series of low dropout voltage regulators which can provide up to 1A of output current. The LM1117
is available in four fixed voltage, 1.2V,1.8V, 3.3V and 5.0V. Additionally it is also available in adjustable version. On
chip precision trimming adjusts the reference/ output voltage to within ±2%. Current limit is also trimmed to ensure
specified output current and controlled short-circuit current. The LM1117 series is available in SOT-223 and TO-220
packages. A minimum of 10μF tantalum capacitor is required at the output to improve the transient response and stability.
2. Features
> Adjustable and Fixed of 1.2V,1.8V, 3.3V, 5.0V
> Space saving SMD types of SOT-223
> 1.2V Drop-out Voltage
> 1.0A Output Current
> Line Regulation Typically at 0.2% max
Preview of the first 3 pages of the data sheet
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $1.11280 | US $1.04603 | US $1.04603 |
| ≥5: | US $0.83460 | US $0.78452 | US $3.92260 |
| ≥10: | US $0.50076 | US $0.47071 | US $4.70710 |
| ≥20: | US $0.48685 | US $0.45764 | US $9.15280 |
| ≥50: | US $0.47294 | US $0.44456 | US $22.22800 |
| ≥100: | US $0.45903 | US $0.43149 | US $43.14900 |
| ≥200: | US $0.44512 | US $0.41841 | US $83.68200 |
| ≥500: | US $0.43956 | US $0.41318 | US $206.59000 |
| ≥1000: | US $0.43121 | US $0.40534 | US $405.34000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| LM2941 | Low-dropout linear regulator with overvoltage protection, available in fixed and adjustable versions. |
| TLV700 | Ultra-low dropout linear regulator, designed for low power consumption and high accuracy. |
| AP2112K | Low-dropout linear voltage regulator with high ripple rejection and low quiescent current. |
| MCP1700 | Low-dropout linear regulator with very low quiescent current, suitable for battery-powered applications. |
| AS1380 | Low-dropout linear regulator with high output current capability and excellent line and load transient response. |
Product Usage
The LM1117 is a popular low-dropout linear voltage regulator used in a variety of circuits where a stable and clean power supply is required. Here are some common applications and circuits that use the LM1117:
Power Supply Circuits:
Microcontroller Boards:
Sensor Modules:
Battery-Powered Devices:
USB Power Supplies:
Audio Circuits:
RF Circuits:
LED Drivers:
Embedded Systems:
Here is a basic example of how the LM1117 can be used in a circuit to provide a 3.3V output:
Required+Vin (e.g., 9V) ----|----+----|---- GND
| |
C1 LM1117-3.3
| |
+----|----+---- 3.3V Output
| |
C2 GND
Components:
- C1: Input Capacitor (typically 10uF)
- C2: Output Capacitor (typically 10uF)
- LM1117-3.3: 3.3V version of the LM1117 regulator
In this circuit:
The LM1117 is a versatile component that can be found in many different types of circuits where a reliable and stable power supply is needed.
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Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
LM1117
LM1117 has several brands around the world that may have alternate names for LM1117 due to regional differences or acquisition. LM1117 may also be known as the following names:
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