LM1085ISX-ADJ
LDO Voltage Regulators 3-A, 29-V, linear voltage regulator 3-DDPAK/TO-263 -40 to 125LM1085ISX-ADJ
LDO Voltage Regulators 3-A, 29-V, linear voltage regulator 3-DDPAK/TO-263 -40 to 125
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製造商零件號 # : LM1085ISX-ADJ
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包裝/封裝: TO263-3
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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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LM1085ISX-ADJ 數據表
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詳細說明
The LM1085ISX-ADJ is a versatile regulator designed to provide a stable output voltage with a maximum dropout of 1.5V at 3A of load current. Its pin-out is identical to TI's LM317, making it a convenient replacement option. Whether you need an adjustable output voltage or a fixed one, the LM1085 has you covered - simply use two resistors for the former, while the latter integrates the adjust resistors for added convenience
主要特徵
- High Efficiency, Low Noise Operation
- Overcurrent Protection and Short-Circuit Protection
- Operating Temperature -40°C to 125°C
- Low Ripple and Noise, High Power Density
- Wide Input Voltage Range with Under-Voltage Lockout
- Precision Current Limiting and Overtemperature Protection
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。
Output options | Adjustable Output, Fixed Output | Iout (max) (A) | 3 |
Vin (max) (V) | 29 | Vin (min) (V) | 2.6 |
Vout (max) (V) | 27.5 | Vout (min) (V) | 1.25 |
Fixed output options (V) | 3.3, 5, 12 | Noise (µVrms) | 38 |
Iq (typ) (mA) | 5 | Thermal resistance θJA (°C/W) | 23 |
Rating | Catalog | Load capacitance (min) (µF) | 10 |
Regulated outputs (#) | 1 | Accuracy (%) | 4 |
PSRR at 100 KHz (dB) | 30 | Dropout voltage (Vdo) (typ) (mV) | 1300 |
Operating temperature range (°C) | -40 to 125 |
常見問題解答
What is LM1085ISX-ADJ?
The LM1085ISX-ADJ is an adjustable voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a regulated output voltage with high efficiency and low dropout voltage, making it suitable for various power management applications in electronic systems.
How Does LM1085ISX-ADJ Work?
The LM1085ISX-ADJ operates by regulating the input voltage to provide a stable and adjustable output voltage. It uses a voltage reference, error amplifier, and pass transistor to achieve regulation. The adjustable feature allows the user to set the output voltage to a specific level within the device's operating range, offering flexibility in power supply design.
How Many Pins does LM1085ISX-ADJ have and What are the Functions of the Pinout Configuration?
The LM1085ISX-ADJ is available in a 3-pin TO-263 package. The pinout configuration includes:
- Input: Input voltage pin.
- Output: Regulated output voltage pin.
- Adjust: Adjacent pin to set the output voltage.
What are the Pros and Cons of LM1085ISX-ADJ?
Pros:
- Adjustable Output: Allows flexibility in setting the output voltage to meet specific application requirements.
- Low Dropout Voltage: Maintains regulation even when the input voltage is close to the output voltage, enhancing efficiency.
- Thermal Regulation: Incorporates thermal shutdown and current limiting for device protection.
- Compact Package: The TO-263 package offers efficient heat dissipation and space-saving design.
Cons:
- External Components: May require additional external components such as input and output capacitors for optimal performance.
- Heatsinking: In high-power applications, heatsinking may be necessary to maintain temperature within the specified limits.
Are There Any Equivalents/Alternatives to LM1085ISX-ADJ for Recommendation?
- The LM317 from Texas Instruments is a popular adjustable voltage regulator with similar functionalities.
- Alternatives to the LM1085ISX-ADJ include the LT1083 from Analog Devices and the LDOPTM from STMicroelectronics.
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