TLV1117LV28DCYR
IC REG LINEAR 2.8V 1A SOT223-4
Quick Answer: The TLV1117LV28DCYR from Texas Instruments is a linear voltage regulator integrated circuit that provides a fixed positive 2.8 V output from a single regulator.
- Manufacturer
- Texas Instruments
- Product Category
- Voltage Regulators & Voltage Controllers
- Package
- TO-261-4, TO-261AA
- Stock
- 9,619 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Texas Instruments |
|---|---|
| Product Category | Voltage Regulators & Voltage Controllers |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 100 µA |
| Min Qty | 1 |
| Mounting Type | Surface Mount |
| Number of Regulators | 1 |
| Operating Temperature | -40°C ~ 125°C |
| Output Configuration | Positive |
| Output Type | Fixed |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Product status | Active |
| Protection Features | Over Current, Over Temperature |
| PSRR | 75dB (120Hz) |
| Supplier Device Package | SOT-223-4 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2.8V |
| Voltage Dropout (Max) | 1.3V @ 800mA |
| Datasheet | View Datasheet PDF |
Procurement Snapshot
Key supply and purchasing information for TLV1117LV28DCYR.
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Detailed Description for TLV1117LV28DCYR
Product Overview
The TLV1117LV28DCYR from Texas Instruments is a linear voltage regulator integrated circuit that provides a fixed positive 2.8 V output from a single regulator. It is specified for a maximum input voltage of 5.5 V and an output current of 1 A, with a dropout voltage of 1.3 V at 800 mA. The device is supplied in a surface-mount SOT-223-4 package, also identified as TO-261-4 or TO-261AA, and is intended for compact power conversion layouts where a fixed rail and defined thermal limits are required.
Key Features
- Fixed positive output voltage of 2.8 V with one regulator output.
- Output current rating of 1 A and maximum input voltage of 5.5 V.
- Dropout voltage specified as 1.3 V at 800 mA.
- Quiescent current of 100 µA and power supply rejection ratio of 75 dB at 120 Hz.
- Over-current and over-temperature protection features.
- Operating temperature range from -40°C to 125°C.
- Surface-mount SOT-223-4 package, TO-261-4, TO-261AA.
Applications
- A fixed 2.8 V rail for compact general-purpose electronic assemblies that require a single positive output from an input up to 5.5 V.
- Regulated power for low-voltage analog or digital circuitry where a 1 A surface-mount linear regulator is needed.
- A protected 2.8 V supply branch in general-purpose power distribution where over-current and over-temperature limits are relevant.
Design & Procurement Notes
Design and procurement considerations should center on the fixed 2.8 V output, the 5.5 V maximum input limit, and the 1.3 V dropout value at 800 mA when defining headroom. The 1 A output rating, 100 µA quiescent current, and 75 dB PSRR at 120 Hz should be checked against load, standby, and input-noise requirements. The SOT-223-4 surface-mount package and -40°C to 125°C operating range should be matched to the PCB footprint, assembly process, and ambient conditions. The specified over-current and over-temperature protections are device features, not a substitute for system-level fault analysis.
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