LM1117DT-ADJ
Linear Voltage Regulators with 1.25V~13.8V adjustable positive electrodeLM1117DT-ADJ
Linear Voltage Regulators with 1.25V~13.8V adjustable positive electrode
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製造商零件號 # : LM1117DT-ADJ
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包裝/封裝: TO-252-3
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製造商: Texas Instruments
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產品分類 : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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LM1117DT-ADJ 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $0.576 | $0.58 |
200 | $0.222 | $44.40 |
500 | $0.214 | $107.00 |
1000 | $0.211 | $211.00 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
The LM1117DT-ADJ excels in delivering consistent voltage output, thanks to its low quiescent current of 5mA. This feature not only promotes energy efficiency but also helps in prolonging battery life in portable applications. Whether used in consumer electronics, industrial machinery, or automotive systems, this voltage regulator ensures reliable performance across different environments. The thermal shutdown and short-circuit protection further enhance the durability and safety of the regulator, providing peace of mind to designers and manufacturers
![](/files/uploads/product/b/bba2f7f8966447bdb6409d10a67841b3.webp)
主要特徵
- Safe operating area: up to 50A and 100°C junction temperature
- Thermal shutdown protection
- High current handling for demanding applications
應用
- Voltage monitoring circuits
- Audio amplifiers application
- LED drivers with LM1117DT-ADJ
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Product Category ! | LDO Voltage Regulators | RoHS | N |
Mounting Style | SMD/SMT | Package / Case | TO-252-3 |
Output Voltage | 1.25 V to 13.8 V | Output Current ! | 800 mA |
Number of Outputs | 1 Output | Polarity | Positive |
Input Voltage, Max | 15 V | Output Type | Adjustable |
Minimum Operating Temperature | 0 C | Maximum Operating Temperature ! | + 125 C |
Dropout Voltage ! | 1.2 V | Series | LM1117 |
Brand | Texas Instruments | Dropout Voltage - Max | 1.2 V at 100 mA, 1.25 V at 500 mA, 1.3 V at 800 mA |
Ib - Input Bias Current | 5 mA | Line Regulation ! | 0.035 % |
Load Regulation ! | 0.2 % | Product Type ! | LDO Voltage Regulators |
Reference Voltage ! | 1.262 V | Factory Pack Quantity | 75 |
Subcategory | PMIC - Power Management ICs | Voltage Regulation Accuracy | 1 % |
Unit Weight | 0.139332 oz |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LM1117DT-ADJ?
The LM1117DT-ADJ is a low dropout voltage regulator designed by Texas Instruments. It is an adjustable linear regulator that is capable of providing a stable output voltage with a dropout voltage as low as 1.2V. It is widely used in various electronic devices including computer peripherals, consumer electronics, and industrial equipment.
How Does LM1117DT-ADJ Work?
The LM1117DT-ADJ operates by regulating the input voltage to provide a stable and adjustable output voltage. It uses a series-pass PNP transistor as the output control device, allowing for a low dropout voltage. The regulator is available in different fixed output voltage versions as well as an adjustable version, offering flexibility in various voltage regulation applications.
How Many Pins does LM1117DT-ADJ have and What are the Functions of the Pinout Configuration?
The LM1117DT-ADJ is housed in a 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- ADJ: Adjustable pin for setting the output voltage in the adjustable version.
- GND: Ground pin.
- BYPASS: Bypass pin for connecting an external capacitor for improved transient response.
What are the Pros and Cons of LM1117DT-ADJ?
Pros:
- Low Dropout Voltage: Provides stable output voltage with a low dropout voltage, enabling regulation with small input-output differentials.
- Adjustable Output: The adjustable version offers the flexibility to set the output voltage to a desired value within a specified range.
- Thermal Shutdown: Includes a thermal shutdown feature to protect the device during over-temperature conditions.
- Protection Features: Offers protection against overcurrent and reversed battery conditions in some models.
Cons:
- Heat Dissipation: May require additional heat sinking or thermal considerations, especially in high current applications.
- External Capacitor: The adjustable version requires an external capacitor for stable operation, adding to the component count and board space.
Are There Any Equivalents/Alternatives to LM1117DT-ADJ for Recommendation?
- The LDO regulators such as the LM2937 from Texas Instruments and the MCP1703 from Microchip Technology are alternatives to the LM1117DT-ADJ.
- The LP2985 from Texas Instruments and the MAX8887 from Maxim Integrated are also potential equivalents to the LM1117DT-ADJ.
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