LT1084-Fixed
LT1084-Fixed
PRODUCTION3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
- Part Models
- 3
- 1ku List Price
- Starting From $6.34
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Overview
- For new designs, please use the TO-220 package instead of the TO-3P package
- Three-Terminal 3.3V, 3.6V, 5V and 12V
- Output Current of 3A, 5A or 7.5A
- Operates Down to 1V Dropout
- Guaranteed Dropout Voltage at Multiple Current Levels
- Line Regulation: 0.015%
- Load Regulation: 0.1%
- 100% Thermal Limit Functional Test
- Adjustable Versions Available
The LT1083 series of positive adjustable regulators are designed to provide 3A, 5A and 7.5A with higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the output voltage to 1%. Current limit is also trimmed, minimizing the stress on both the regulator and power source circuitry under overload conditions.
The LT1083 series devices are pin compatible with older three-terminal regulators. A 10µF output capacitor is required on these new devices; however, this is usually included in most regulator designs.
Unlike PNP regulators, where up to 10% of the output current is wasted as quiescent current, the LT1083 quiescent current flows into the load, increasing efficiency.
Applications
- High Efficiency Linear Regulators
- Post Regulators for Switching Supplies
- Constant Current Regulators
- Battery Chargers
Documentation
Data Sheet 1
Product Selector Card 1
Brochure 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LT1084CT-12#PBF | 3-Lead TO-220 | ||
| LT1084CT-3.3#PBF | 3-Lead TO-220 | ||
| LT1084CT-5#PBF | 3-Lead TO-220 |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Aug 10, 2022 - 22_0175 Laser Top Mark Conversion for DDPAK & TO220 Packages Assembled in ADPG. Country of Origin Code [MY] To Be Incorporated On Top Mark |
||
| LT1084CT-12#PBF | PRODUCTION | |
| LT1084CT-3.3#PBF | PRODUCTION | |
| LT1084CT-5#PBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| LT1085 | PRODUCTION | 7.5A, 5A, 3A Low Dropout Positive Adjustable Regulators |
Tools & Simulations
LTspice 1
Models for the following parts are available in LTspice:
- LT1084
- LT1084-12
- LT1084-3.3
- LT1084-5
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
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