Analog Devices Inc. LT1963AEFE-3.3#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) | 3.3V |
| 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-3.3#PBF is a high-performance 1.5A low dropout linear regulator from Analog Devices, offering a fixed 3.3V output. With a low dropout voltage of 0.55V and quiescent current of just 1.5mA, it delivers efficient, clean power for a wide range of digital and mixed-signal applications. The compact 16-TSSOP-EP package with exposed pad provides excellent thermal performance in space-constrained designs.
- Compact Package: 16-TSSOP-EP saves board space while the exposed pad enhances heat dissipation for reliable operation.
- High Current Delivery: 1.5A output supports FPGAs, processors, and multiple peripheral loads.
- Low Dropout Voltage: 0.55V at 1.5A enables efficient operation from 3.85V input rails.
- Low Quiescent Current: 1.5mA quiescent current minimizes power consumption in battery-operated systems.
FPGA and CPLD Core Logic
The 3.3V output and 1.5A current capability make this LDO ideal for powering the core logic of FPGAs and CPLDs, ensuring stable operation during configuration and runtime.
Mixed-Signal Board Power
For boards with both analog and digital 3.3V sections, the LT1963AEFE-3.3#PBF provides a clean, low-noise rail, reducing cross-contamination between domains.
Battery-Powered IoT Gateways
The low 1.5mA quiescent current extends battery life in IoT devices, while the 3.3V output powers sensors, microcontrollers, and wireless transceivers.
Industrial Sensor Interfaces
In industrial automation, this regulator powers 3.3V sensor interfaces and fieldbus transceivers, providing reliable operation in electrically noisy environments.
Networking and Communication Equipment
The 16-TSSOP-EP package saves board space in compact networking gear while delivering 1.5A for PHY chips, switches, and processors.
Test and Measurement Instruments
For benchtop instruments requiring a stable 3.3V reference or logic supply, this LDO offers excellent line and load regulation, ensuring measurement accuracy.
- Q: What is the output voltage of the LT1963AEFE-3.3#PBF?
- A: It provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (typical minimum). Refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.55V at a 1.5A load, allowing efficient regulation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5 mA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: It is available in the 16-TSSOP-EP (exposed pad) package for compact designs with good thermal performance.
- Q: What is the output voltage of the LT1963AEFE-3.3#PBF?
- A: It provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (typical minimum). Refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.55V at a 1.5A load, allowing efficient regulation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5 mA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: It is available in the 16-TSSOP-EP (exposed pad) package for compact designs with good thermal performance.

LT1963AEFE-3.3#PBF.pdf