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Item #:
201687039
STMicroelectronics Low Drop Voltage Regulator, 3.3V
Item #:
201687039
TWD 814
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The LD1117 is a low drop voltage regulator able to provide up to 800 mA of output current, ensuring high efficiency and excellent voltage tolerance.
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Product Details
- Key Features: Low dropout voltage (1 V typ.) 2.85 V device performances are suitable for SCSI-2 active termination Output current up to 800 mA Fixed output voltage: 3.3 V Adjustable version availability (VREF= 1.25 V)The LD1117 is a low drop voltage regulator able to provide up to 800 mA of output current, available even in adjustable version (VREF= 1.25 V). Concerning fixed versions, are offered the following output voltages: 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V and 5.0 V. The device is supplied in: TO-220. High efficiency is assured by NPN pass transistor. In fact in this case, unlike than PNP one, the quiescent current flows mostly into the load. Only a very common 10 μF minimum capacitor is needed for stability. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1 % at 25 °C. The adjustable LD1117 is pin to pin compatible with the other standard. Adjustable voltage regulators maintaining the better performances in terms of drop and tolerance.Item Specifics1 - TO-220 Voltage RegulatorInternal current and thermal limitAvailable in ± 1 % (at 25 degC) and 2 % in full temperature rangeSupply voltage rejection: 75 dB (typ.)
| Output amperage | 800 mA |
| Volts | 3.3 V |
| Brand | STMicroelectronics |
| Model name | LD1117 |
| Pieces | 1 |
| Item Weight | 0.1 lbs (50 grams) |
Product Description
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Customer Questions & Answers
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Question:
What is the maximum output current for the LD1117?
Answer: The maximum output current for the LD1117 is 800 mA. -
Question:
What are the available fixed output voltages?
Answer: The available fixed output voltages are 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V, and 5.0 V. -
Question:
What type of capacitor is needed for stability?
Answer: A very common 10 μF minimum capacitor is needed for stability.
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Features & Benefits
- Low dropout voltage (1 V typ.) enhances performance.
- Output current capability of up to 800 mA.
- Fixed output voltage available at 3.3 V and adjustable options at VREF= 1.25 V.
- High efficiency with NPN pass transistor design.
- Very tight output voltage tolerance within ± 1 % at 25 °C.
- Easy stability with a minimal 10 μF capacitor requirement.
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