National Semiconductor LM1117T-1.8
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.37 | $0.37 |
| 15+ | $0.36 | $5.40 |
| 25+ | $0.35 | $8.75 |
| 50+ | $0.33 | $16.50 |
| 100+ | $0.29 | $29.00 |
| N+ | $0.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.3V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | - |
| Control Features | Current Limit |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | 0°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
The LM1117T-1.8 from National Semiconductor is a robust LDO linear regulator delivering a fixed 1.8V output with up to 800mA of current. Its TO-220-3 package provides excellent thermal performance for demanding applications. With a dropout voltage of 1.3V at full load, it is a reliable choice for post-regulation and high-current digital supplies.
- High Output Current (800mA): Suitable for powering modern digital ICs and processors.
- TO-220 Package: Excellent thermal dissipation for continuous high-load operation.
- Fixed 1.8V Output: Simplifies design by eliminating external resistor dividers.
- Proven Reliability: A widely used, industry-standard regulator architecture.
High-Current Digital Logic Supplies
Provide a stable 1.8V rail for FPGAs, ASICs, and DSPs that require up to 800mA of current.
Post-Regulation for Switching Converters
Use after a buck converter to reduce output ripple and provide a clean, low-noise 1.8V supply for sensitive loads.
Motherboard and Peripheral Power
Power DDR memory termination and chipset I/O voltages in computing applications.
Industrial Control Systems
The TO-220 package allows for easy heatsinking, making it suitable for industrial equipment with higher ambient temperatures.
Audio and Video Equipment
Supply a quiet 1.8V rail for analog and digital sections in consumer electronics, improving performance.
Battery Charging Circuits
Use as a constant-voltage source for charging single-cell lithium-ion batteries at 1.8V (with appropriate protection).
- Q: What is the output voltage of the LM1117T-1.8?
- A: This regulator provides a fixed 1.8V output.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of output current.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at full load (800mA).
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is the LM1117T-1.8 available in?
- A: It is offered in a TO-220-3 package, which is suitable for through-hole mounting and heat dissipation.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
LM1117T-1.8.pdf
- Q: What is the output voltage of the LM1117T-1.8?
- A: This regulator provides a fixed 1.8V output.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of output current.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at full load (800mA).
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is the LM1117T-1.8 available in?
- A: It is offered in a TO-220-3 package, which is suitable for through-hole mounting and heat dissipation.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
