Analog Devices Inc. LT1963AES8-3.3#TRPBF
| 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 | Cut Tape (CT) | Tape & Reel (TR) |
| 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 is a robust low dropout linear regulator from Analog Devices, providing a fixed 3.3V output. It supports up to 1.5A of load current with a low dropout voltage of 0.55V, ensuring efficient operation. The device features a low quiescent current of 1.5mA and high PSRR of 63dB at 120Hz, delivering clean power for noise-sensitive applications. Packaged in an 8-SO, it is well-suited for post-regulation, industrial, and automotive power supplies.
- Stable 3.3V Rail: Provides a precise, fixed 3.3V output, ideal for digital ICs and microcontrollers, ensuring consistent performance.
- Low Dropout Operation: With a 0.55V dropout at 1.5A, it maintains regulation even with low input-to-output voltage differences, improving efficiency.
- Superior Noise Filtering: The 63dB PSRR at 120Hz effectively suppresses input ripple, providing a clean supply for sensitive analog and RF stages.
- Compact 8-SO Package: The small footprint saves board space, making it suitable for space-constrained designs without compromising thermal performance.
Microcontroller and Digital Logic Supply
The 3.3V output is a standard rail for microcontrollers, FPGAs, and digital logic. The LT1963AES8-3.3 provides a stable 1.5A supply, ensuring reliable operation of digital systems with transient load demands.
Post-Regulation for Switching Converters
Use this LDO after a DC-DC converter to produce a clean 3.3V rail. Its high PSRR (63dB at 120Hz) attenuates switching noise, making it perfect for mixed-signal boards where analog and digital circuits coexist.
Networking and Communication Equipment
In routers, switches, and base stations, the LT1963AES8-3.3 powers PHY transceivers and control logic. The low dropout voltage ensures stable operation even with marginal input supply margins, enhancing system reliability.
Automotive Infotainment Systems
The 8-SO package and robust thermal performance make it suitable for automotive infotainment. It provides a regulated 3.3V supply for processors and interface ICs, with protection features for harsh environments.
Industrial Sensor Interfaces
For industrial sensors and transmitters, this regulator offers a low-noise 3.3V rail. The low quiescent current (1.5mA) is beneficial for loop-powered devices, while the high accuracy ensures precise sensor readings.
- Q: What is the output voltage of the LT1963AES8-3.3?
- 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 up to 20V (not explicitly stated, but typical for this family; verify with datasheet).
- 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 typically 1.5mA.
- Q: What package is available?
- A: It is available in an 8-SO package.
LT1963AES8-3.3#TRPBF.pdf
- Q: What is the output voltage of the LT1963AES8-3.3?
- 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 up to 20V (not explicitly stated, but typical for this family; verify with datasheet).
- 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 typically 1.5mA.
- Q: What package is available?
- A: It is available in an 8-SO package.
