| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $22.20 | $22.20 |
| 10+ | $20.35 | $203.50 |
| 500+ | $18.50 | $9,250.00 |
| 1000+ | $17.58 | $17,580.00 |
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The LT1084IT#PBF from Analog Devices is a 5A low dropout (LDO) positive adjustable voltage regulator housed in a TO-220 power package. This device delivers a continuous output current up to 5A with a typical dropout voltage of 1.3V at full load, allowing efficient regulation with minimal input-to-output differential. The output voltage is adjustable from a 1.25V reference level using an external resistor divider, and internal protection features include current limiting, thermal shutdown, and safe-area compensation for the pass transistor, ensuring reliable operation under fault conditions.
Typical applications span industrial automation, test and measurement, and high-reliability power systems demanding low-noise linear regulation. Common use cases include local on-card regulation for FPGAs and analog front-ends, low-ripple post-regulation of switching converters, and constant-current/constant-voltage battery charging circuits. In defense and aerospace environments, the industrial temperature range (-40°C to +125°C, indicated by the 'IT' suffix) and the TO-220’s inherent ability to dissipate heat via external heatsinks make it well-suited for ruggedized embedded systems. From a procurement perspective, the '#PBF' suffix denotes lead-free, RoHS-compliant plating, and as a mature Linear Technology design now manufactured by Analog Devices, the part remains in active production with no near-term end-of-life notice, supporting long-lifecycle programs and minimizing obsolescence risk.
| Attribute | Value |
|---|---|
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 28.5V |
| Voltage Dropout (Max) | 1.5V @ 5A |
| Current - Output | 5A |
| PSRR | 75dB (120Hz) |
| Protection Features | Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
Download the current available datasheet for LT1084IT#PBF.
Download Datasheet
