LT3083EDF#TRPBF
IC REG LINEAR POS ADJ 3A 12DFN
- Manufacturer
- Analog Devices Inc.
- Product Category
- Voltage Regulators & Voltage Controllers
- Package
- 12-WFDFN Exposed Pad
- Stock
- 11,855 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Analog Devices Inc. |
|---|---|
| Product Category | Voltage Regulators & Voltage Controllers |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 50.5 µA |
| Current - Supply (Max) | 1 mA |
| Min Qty | 1 |
| Mounting Type | Surface Mount |
| Number of Regulators | 1 |
| Operating Temperature | -40°C ~ 125°C |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Product status | Active |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| PSRR | 85dB ~ 20dB (120Hz ~ 1MHz) |
| Supplier Device Package | 12-DFN (4x4) |
| Voltage - Input (Max) | 14V |
| Voltage - Output (Max) | 14V |
| Voltage - Output (Min/Fixed) | 0V |
| Voltage Dropout (Max) | 0.42V @ 3A |
| Datasheet | View Datasheet PDF |
Procurement Snapshot
Key supply and purchasing information for LT3083EDF#TRPBF.
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Detailed Description for LT3083EDF#TRPBF
Product Overview
The LT3083EDF#TRPBF from Analog Devices Inc. is a linear voltage regulator IC configured for a positive adjustable output. The device provides one regulator channel and supports up to 3A output current within a 12-DFN (4x4) surface-mount package. Its maximum input voltage is 14V, while the adjustable output can be set from 0V to 14V. The regulator includes over current, over temperature, and short circuit protection, and operates from -40°C to 125°C.
Key Features
- Positive adjustable output with one regulator channel
- Maximum input voltage of 14V and adjustable output from 0V to 14V
- 3A output current with 0.42V maximum dropout at 3A
- Quiescent current of 50.5 µA and maximum supply current of 1 mA
- PSRR: 85dB ~ 20dB (120Hz ~ 1MHz)
- Integrated over current, over temperature, and short circuit protection
- Surface-mount 12-WFDFN exposed pad package with -40°C to 125°C operating range
Applications
- Adjustable positive supply rails for embedded boards and development platforms
- Linear post-regulation downstream of DC-DC converters in power distribution assemblies
- Tunable output supplies for analog instrumentation and measurement equipment
- Module-based power supplies requiring an adjustable voltage from 0V to 14V
- Current-limited linear regulation for test benches and control boards
Design & Procurement Notes
When selecting the LT3083EDF#TRPBF, account for the 14V maximum input and 14V maximum output, and confirm that the input-output differential provides sufficient headroom for the 0.42V dropout at full 3A load. The 50.5 µA quiescent current and 1 mA maximum supply current are relevant to standby and always-on rail budgeting. The 12-WFDFN exposed pad package and -40°C to 125°C operating range require attention to PCB footprint, pad layout, and thermal management under continuous load. Protection against over current, over temperature, and short circuit supports robust rail design, but external filtering and layout should still be considered for the 85dB to 20dB PSRR behavior across 120Hz to 1MHz.
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