Analog Devices Inc. LT1963AEFE-1.5#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.35 | $8.35 |
| 15+ | $8.09 | $121.35 |
| 25+ | $7.91 | $197.75 |
| 50+ | $7.47 | $373.50 |
| 100+ | $6.59 | $659.00 |
| N+ | $1.32 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 1.5V |
| 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 |
| ROHS |
The LT1963AEFE-1.5 from Analog Devices is a fixed 1.5V low dropout linear regulator capable of delivering 1.5A. With a dropout voltage of just 0.55V at full load and 63dB PSRR at 120Hz, it provides clean, efficient power for low-voltage digital circuits. The 16-TSSOP-EP package ensures excellent thermal performance in compact designs.
- Low Dropout: 0.55V at 1.5A maximizes efficiency in low-headroom applications.
- High Current: 1.5A output supports demanding digital loads.
- Fixed 1.5V Output: Simplifies design for common low-voltage rails.
- Good PSRR: 63dB at 120Hz filters input ripple effectively.
FPGA Core Power Supplies
The 1.5V fixed output and 1.5A current capability make the LT1963AEFE-1.5 ideal for powering FPGA core logic, which requires stable low-voltage rails.
DSP and Microprocessor Rails
Modern DSPs and microcontrollers often need 1.5V cores; this LDO provides clean, regulated power with low dropout.
DDR Memory Termination
The low dropout voltage (0.55V) allows efficient generation of 1.5V DDR termination rails from 1.8V supplies.
Post-Regulation for Switching Converters
Using this LDO after a buck converter removes switching noise, providing a clean 1.5V rail for analog and mixed-signal circuits.
Portable Electronics
In battery-powered devices, the low dropout ensures maximum battery utilization when the input voltage approaches 1.5V.
Networking Equipment
For routers and switches, this regulator powers low-voltage ASICs with high reliability and low noise.
- Q: What is the fixed output voltage of the LT1963AEFE-1.5?
- A: This LDO provides a fixed 1.5V output, ideal for low-voltage digital cores and logic circuits.
- Q: What is the maximum output current?
- A: The LT1963AEFE-1.5 can deliver up to 1.5A of output current with a low dropout voltage of 0.55V at full load.
- Q: What is the input voltage range?
- A: The input voltage should be above 1.5V plus dropout, typically up to 20V maximum, providing design flexibility.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5mA, which is acceptable for high-current applications where efficiency is less critical.
- Q: What package is available?
- A: It is offered in a 16-lead TSSOP package with exposed pad (16-TSSOP-EP) for improved thermal performance.
- Q: What is the PSRR performance?
- A: The device provides 63dB of power supply rejection at 120Hz, ensuring clean output for sensitive loads.
- Q: What is the fixed output voltage of the LT1963AEFE-1.5?
- A: This LDO provides a fixed 1.5V output, ideal for low-voltage digital cores and logic circuits.
- Q: What is the maximum output current?
- A: The LT1963AEFE-1.5 can deliver up to 1.5A of output current with a low dropout voltage of 0.55V at full load.
- Q: What is the input voltage range?
- A: The input voltage should be above 1.5V plus dropout, typically up to 20V maximum, providing design flexibility.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5mA, which is acceptable for high-current applications where efficiency is less critical.
- Q: What package is available?
- A: It is offered in a 16-lead TSSOP package with exposed pad (16-TSSOP-EP) for improved thermal performance.
- Q: What is the PSRR performance?
- A: The device provides 63dB of power supply rejection at 120Hz, ensuring clean output for sensitive loads.

LT1963AEFE-1.5#PBF.pdf