Linear Technology LT1963AEFE-1.8
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.64 | $17.64 |
| 15+ | $4.06 | $60.90 |
| 25+ | $3.97 | $99.25 |
| 50+ | $3.75 | $187.50 |
| 100+ | $3.31 | $331.00 |
| N+ | $0.66 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Linear Technology |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.55V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 1.5 mA |
| Current - Supply (Max) | 120 mA |
| PSRR | 63dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 16-TSSOP-EP |
The Linear Technology LT1963AEFE-1.8 is a high-performance 1.5A low dropout linear regulator with a fixed 1.8V output. Housed in a 16-TSSOP-EP package, it features an ultra-low dropout voltage of 0.55V at full load and a low quiescent current of 1.5 mA. With 63dB PSRR at 120Hz, it delivers clean, stable power for sensitive electronics.
- Ultra-Low Dropout: 0.55V at 1.5A allows operation from very close input voltages, maximizing efficiency.
- Low Quiescent Current: 1.5 mA helps extend battery life in portable applications.
- Compact Package: 16-TSSOP-EP with exposed pad offers excellent thermal performance in a small footprint.
- Good Ripple Rejection: 63dB PSRR at 120Hz ensures clean output for analog and RF circuits.
Low-Voltage Digital Core Supplies
The 1.8V output at 1.5A is ideal for powering the core of low-power microcontrollers, FPGAs, and ASICs in battery-powered devices.
Portable Electronics
With a low quiescent current of 1.5 mA, the LT1963AEFE-1.8 extends battery life in smartphones, tablets, and wearables while providing a stable 1.8V rail.
High-Speed ADC/DAC Power
The low dropout (0.55V) and 63dB PSRR at 120Hz make it suitable for powering analog-to-digital converters and digital-to-analog converters in communication systems.
Optical Transceivers
In SFP and QSFP modules, this regulator provides clean 1.8V power for laser drivers and control ICs, ensuring reliable optical signal transmission.
Industrial Sensors
For precision industrial sensors and transmitters, the LT1963AEFE-1.8 offers low noise and stable output, improving measurement accuracy.
Automotive ECU Power
In automotive electronic control units, it powers 1.8V logic rails with high reliability and thermal performance from the exposed pad package.
- Q: What is the output voltage of the LT1963AEFE-1.8?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous output current.
- 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.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.55V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5 mA.
- Q: What package is available?
- A: It comes in a 16-TSSOP-EP package.
- Q: What is the output voltage of the LT1963AEFE-1.8?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous output current.
- 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.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.55V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5 mA.
- Q: What package is available?
- A: It comes in a 16-TSSOP-EP package.

LT1963AEFE-1.8.pdf