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Description
The LM1085 series features low dropout positive voltage regulators, providing a maximum 1.5V dropout at 3A load current. It offers versions at 3.3V, 5.0V, 12V, and an adjustable option, simplifying voltage selection. The adjustable version allows precise voltage settings using two external resistors, while the fixed versions integrate adjusted resistors for convenience. These regulators ensure an output current of 3A and exhibit minimal line and load regulation. Equipped with current limiting and thermal protection, they find application in diverse scenarios such as high-efficiency linear regulation, battery charging, post-regulation for switching supplies, constant current regulation, and microprocessor supply. Packaged in TO-220 and DDPAK/TO-263, variations like LM1084 (5A version) and LM1086 (1.5A version) are available for varying current needs.
Specification
| Category | Voltage regulator |
| Product Status | Active |
| Output Configuration | positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage – Input (Max) | 29V |
| Voltage – Output (Min/Fixed) | 1.25V |
| Voltage – Output (Max) | 15V |
| Voltage Dropout (Max) | 1.5V @ 3A |
| Current – Output | 3A |
| Current – Quiescent (Iq) | 10 mA |
| PSRR | 75dB (120Hz) |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA |
| Supplier Device Package | DDPAK/TO-263-3 |
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