Analog Devices Inc. LT1963AES8-3.3#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.35 | $7.35 |
| 15+ | $7.12 | $106.80 |
| 25+ | $6.97 | $174.25 |
| 50+ | $6.58 | $329.00 |
| 100+ | $5.81 | $581.00 |
| N+ | $1.16 | 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 | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO |
| ROHS |
The LT1963AES8-3.3#PBF is a high-performance low dropout linear regulator from Analog Devices, delivering a fixed 3.3V output with up to 1.5A of current. Its low dropout voltage of 0.55V and excellent 63dB PSRR make it an ideal choice for noise-sensitive applications. The 8-SO package ensures easy integration into compact designs, while the low quiescent current supports power-sensitive portable devices.
- High Output Current: Delivers up to 1.5A, suitable for powering demanding digital loads like FPGAs and processors.
- Low Dropout Voltage: 0.55V dropout at full load maximizes efficiency and allows operation from lower input voltages.
- Excellent PSRR: 63dB ripple rejection at 120Hz ensures a clean output, ideal for analog and RF circuits.
- Low Quiescent Current: 1.5mA quiescent current helps extend battery life in portable applications.
FPGA and DSP Core Power
The 3.3V output at 1.5A is ideal for powering the core logic of FPGAs and DSPs, providing a stable, low-noise supply that ensures reliable operation under dynamic load conditions.
High-Performance ADC/DAC Reference Supplies
With 63dB PSRR at 120Hz and low output noise, this LDO is well-suited for powering analog-to-digital and digital-to-analog converters, minimizing supply-induced noise and preserving signal integrity.
Post-Regulation for Switching Converters
Use the LT1963AES8-3.3 to clean up the output of a DC-DC buck converter. Its low dropout and fast transient response effectively attenuate switching ripple, providing a clean 3.3V rail for sensitive circuits.
Battery-Powered Portable Equipment
The low quiescent current (1.5mA) and low dropout voltage extend battery life in portable devices, allowing operation down to 3.85V input while maintaining a regulated 3.3V output.
Automotive Infotainment Systems
This regulator's robust design and thermal protection make it suitable for automotive applications, powering microcontrollers and interface ICs in infotainment clusters with a stable 3.3V supply.
Industrial Sensor Interfaces
Provide a clean, regulated 3.3V supply to industrial sensors and transducers, ensuring accurate measurements and reliable communication over long cable runs.
- Q: What is the output voltage of the LT1963AES8-3.3#PBF?
- A: The fixed output voltage is 3.3V.
- 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 from 3.3V to 20V (output voltage plus dropout).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.55V at 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 an 8-lead SOIC (8-SO) package.
- Q: What is the output voltage of the LT1963AES8-3.3#PBF?
- A: The fixed output voltage is 3.3V.
- 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 from 3.3V to 20V (output voltage plus dropout).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.55V at 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 an 8-lead SOIC (8-SO) package.

LT1963AES8-3.3#PBF.pdf