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Item #:
248795710
STMicroelectronics Low Drop Voltage Regulator, 3.3V (6 pack)
Item #:
248795710
KRW 40254
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The LD1117 is a low drop voltage regulator able to provide up to 800 mA of output current.
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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 Specifics6 - 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 | 6 |
| Item Weight | 0.5 lbs (230 grams) |
Product Description
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Customer Questions & Answers
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Question:
What is the maximum output current of the LD1117?
Answer: The LD1117 can provide up to 800 mA of output current. -
Question:
What are the available fixed output voltages?
Answer: The fixed output voltages available are 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V, and 5.0 V. -
Question:
What type of transistor does the LD1117 use for high efficiency?
Answer: The LD1117 uses an NPN pass transistor for high efficiency.
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KRW 40254
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Features & Benefits
- Low dropout voltage of 1 V typical for optimal performance.
- Delivers output current up to 800 mA for demanding applications.
- Fixed output voltage available in 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V, and 5.0 V.
- Adjustable version with VREF = 1.25 V for flexible voltage output.
- High efficiency supported by NPN pass transistor, minimizing power loss.
- On-chip trimming achieves tight output voltage tolerance within ± 1 % at 25 °C.
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