Analog Devices Inc. LT3028EFE#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.12 | $9.12 |
| 15+ | $8.83 | $132.45 |
| 25+ | $8.64 | $216.00 |
| 50+ | $8.16 | $408.00 |
| 100+ | $7.20 | $720.00 |
| N+ | $1.44 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 2 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 1.22V |
| Voltage - Output (Max) | 20V |
| Voltage Dropout (Max) | 0.45V @ 100mA, 0.47V @ 500mA |
| Current - Output | 100mA, 500mA |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 65dB (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 LT3028EFE#PBF from Analog Devices is a dual-output linear regulator designed for demanding multi-rail applications. It delivers a fixed 20V output at 100mA and a second adjustable output at 500mA, all from a compact 16-TSSOP-EP package. With a low dropout voltage of just 0.45V and excellent 65dB ripple rejection, it ensures stable, clean power for sensitive electronics. Its wide input range from 1.22V to 20V offers flexibility across various power architectures.
- Dual-Output Flexibility: Two independent rails (100mA and 500mA) reduce component count and PCB space.
- Low Dropout Performance: 0.45V dropout at 100mA maximizes efficiency in battery-operated systems.
- High Ripple Rejection: 65dB PSRR at 120Hz ensures clean power for audio and precision analog circuits.
- Compact Thermal Package: TSSOP-EP with exposed pad improves heat dissipation for reliable operation.
Dual-Rail Power for Precision Analog Circuits
Use the dual outputs (100mA and 500mA) to power mixed-signal systems requiring separate analog and digital rails, maintaining isolation and stability.
Battery-Powered Portable Devices
With a low dropout of 0.45V and wide input range, it efficiently regulates from a 3.3V battery down to 1.22V, extending battery life.
Noise-Sensitive Audio Equipment
The 65dB PSRR at 120Hz minimizes mains hum, making it suitable for audio codecs and DACs where clean power is critical.
Industrial Sensor Interfaces
Power 4-20mA loop transmitters and precision sensors with stable 20V rail, ensuring accurate signal conditioning.
FPGA and DSP Core Supplies
Provide a dedicated 500mA rail for I/O and a 100mA rail for core logic, reducing cross-coupling noise.
Automotive Infotainment Systems
Regulate multiple supply voltages from a single 12V bus, simplifying power distribution in head units.
- Q: What is the output voltage of the LT3028EFE#PBF?
- A: The LT3028EFE#PBF is a dual-output LDO regulator with a fixed output voltage of 20V on one channel and an adjustable output on the other.
- Q: What is the maximum output current?
- A: It provides two outputs: one rated at 100mA and the other at 500mA, ideal for powering multiple rails.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.22V up to 20V, allowing flexible power supply configurations.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.45V at 100mA and 0.47V at 500mA, ensuring efficient operation with low headroom.
- Q: What is the package type?
- A: The LT3028EFE#PBF comes in a 16-lead TSSOP with an exposed pad (16-TSSOP-EP) for enhanced thermal performance.
- Q: Does it offer good ripple rejection?
- A: Yes, it features a PSRR of 65dB at 120Hz, effectively filtering input ripple for clean output.
LT3028EFE#PBF.pdf
- Q: What is the output voltage of the LT3028EFE#PBF?
- A: The LT3028EFE#PBF is a dual-output LDO regulator with a fixed output voltage of 20V on one channel and an adjustable output on the other.
- Q: What is the maximum output current?
- A: It provides two outputs: one rated at 100mA and the other at 500mA, ideal for powering multiple rails.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.22V up to 20V, allowing flexible power supply configurations.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.45V at 100mA and 0.47V at 500mA, ensuring efficient operation with low headroom.
- Q: What is the package type?
- A: The LT3028EFE#PBF comes in a 16-lead TSSOP with an exposed pad (16-TSSOP-EP) for enhanced thermal performance.
- Q: Does it offer good ripple rejection?
- A: Yes, it features a PSRR of 65dB at 120Hz, effectively filtering input ripple for clean output.
