Analog Devices Inc. LT1764EFE-1.5#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $11.53 | $11.53 |
| 15+ | $11.17 | $167.55 |
| 25+ | $10.93 | $273.25 |
| 50+ | $10.32 | $516.00 |
| 100+ | $9.11 | $911.00 |
| N+ | $1.82 | 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) | 0.45V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 1.5 mA |
| Current - Supply (Max) | 200 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 LT1764EFE-1.5#PBF is a 3A low dropout linear regulator from Analog Devices, providing a fixed 1.5V output. It features a low dropout voltage of 0.45V at full load and a quiescent current of 1.5mA, making it highly efficient for battery-powered and high-current applications. The regulator offers excellent PSRR of 63dB at 120Hz, ensuring clean output. Housed in a compact 16-TSSOP-EP package, it is designed for reliable thermal management and space-constrained PCB layouts.
- High Output Current: Delivers up to 3A, suitable for powering demanding digital loads like FPGAs and processors.
- Low Dropout Voltage: 0.45V at 3A maximizes efficiency by allowing operation with minimal headroom.
- Excellent PSRR: 63dB at 120Hz filters ripple from switching supplies, providing clean power.
- Low Quiescent Current: 1.5mA helps extend battery life in portable devices.
- Thermally Enhanced Package: 16-TSSOP-EP with exposed pad improves heat dissipation for reliable operation.
High-Current FPGA Core Supplies
The 3A output current and 1.5V fixed output make it ideal for powering FPGA core logic, which often requires low voltage and high current with tight regulation.
DSP and Microprocessor Power
With a low dropout of 0.45V at 3A, the LT1764EFE-1.5#PBF efficiently powers DSPs and microprocessors from a 1.8V or 2.5V rail, minimizing power dissipation.
Post-Regulation for Switching Converters
Its 63dB PSRR at 120Hz effectively filters switching noise from DC-DC converters, providing a clean, low-noise 1.5V supply for sensitive analog circuits.
Battery-Powered Portable Devices
The low quiescent current of 1.5mA extends battery life in portable applications while maintaining a stable 1.5V output for digital ICs.
Industrial Control Systems
The 16-TSSOP-EP package with exposed pad ensures excellent thermal performance, making it suitable for industrial control systems operating in harsh environments.
Networking and Communication Equipment
Reliable 3A regulation with low noise supports high-speed networking equipment, ensuring stable operation of transceivers and signal processors.
- Q: What is the output voltage of the LT1764EFE-1.5#PBF?
- A: The fixed output voltage is 1.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.5V (output voltage) up to 20V (absolute maximum). For proper regulation, input must be at least output plus dropout voltage.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.45V at 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5mA.
- Q: What package is available?
- A: It comes in a 16-lead TSSOP with exposed pad (16-TSSOP-EP).
- Q: What is the output voltage of the LT1764EFE-1.5#PBF?
- A: The fixed output voltage is 1.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.5V (output voltage) up to 20V (absolute maximum). For proper regulation, input must be at least output plus dropout voltage.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.45V at 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 1.5mA.
- Q: What package is available?
- A: It comes in a 16-lead TSSOP with exposed pad (16-TSSOP-EP).

LT1764EFE-1.5#PBF.pdf