Linear Technology LT1963AES8-3.3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.47 | $3.47 |
| 15+ | $3.36 | $50.40 |
| 25+ | $3.29 | $82.25 |
| 50+ | $3.10 | $155.00 |
| 100+ | $2.74 | $274.00 |
| N+ | $0.55 | 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) | 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 (TJ) |
| 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 from Analog Devices is a high-performance fixed-output LDO regulator designed for demanding applications. It delivers a stable 3.3V output with a maximum current of 1.5A and a low dropout voltage of 0.55V. Featuring a quiescent current of 1.5 mA and an excellent PSRR of 63dB at 120Hz, this regulator ensures clean and reliable power for sensitive digital and analog circuits. Housed in an 8-SO package, it is a versatile solution for a wide range of power supply designs.
- High Current Capacity: The 1.5A output current capability supports power-hungry digital loads like FPGAs and processors.
- Excellent Ripple Rejection: With 63dB PSRR at 120Hz, it effectively suppresses power supply noise, ensuring clean output for sensitive analog circuits.
- Low Dropout Operation: A dropout voltage of just 0.55V at full load maximizes efficiency and allows operation with lower input voltages.
- Stable and Reliable: The fixed 3.3V output and robust design provide consistent performance across various load and temperature conditions.
High-Current Digital Core Supplies
With a 1.5A output capability and low dropout of 0.55V, this LDO is perfect for powering FPGAs, DSPs, and microprocessors that require a stable 3.3V core supply.
Post-Regulation for Switching Converters
The LT1963AES8-3.3's excellent 63dB PSRR at 120Hz effectively filters switching noise from a DC-DC converter, providing a clean analog supply rail.
Audio and Precision Analog Circuits
Its high PSRR and low noise characteristics make it ideal for powering audio DACs, op-amps, and other sensitive analog circuits requiring a quiet 3.3V rail.
Industrial Control Systems
The robust 1.5A output and stable 3.3V regulation support industrial microcontrollers, sensors, and communication interfaces in noisy environments.
Networking and Telecom Equipment
This LDO provides reliable power for line cards, routers, and switches, ensuring stable operation of 3.3V logic and interface circuits.
Automotive Infotainment
In automotive applications, the LT1963AES8-3.3 delivers clean power to infotainment processors and displays, withstanding voltage transients and providing stable performance.
- Q: What is the output voltage of the LT1963AES8-3.3?
- A: It is a fixed output LDO providing a stable 3.3V output.
- Q: What is the maximum output current?
- A: The LT1963AES8-3.3 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; please 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, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5 mA, balancing performance with power efficiency.
- Q: What is the PSRR performance?
- A: It offers a power supply rejection ratio of 63dB at 120Hz, providing excellent ripple rejection.
LT1963AES8-3.3.pdf
- Q: What is the output voltage of the LT1963AES8-3.3?
- A: It is a fixed output LDO providing a stable 3.3V output.
- Q: What is the maximum output current?
- A: The LT1963AES8-3.3 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; please 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, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5 mA, balancing performance with power efficiency.
- Q: What is the PSRR performance?
- A: It offers a power supply rejection ratio of 63dB at 120Hz, providing excellent ripple rejection.
