Overview
The LT8210IUJ#PBF is a 4-switch synchronous buck-boost DC/DC controller produced by Analog Devices Inc. This controller is designed to operate in various modes, including pass-thru, forced continuous conduction, pulse-skipping, and Burst Mode operation. It is particularly useful for applications requiring high efficiency and flexibility in power management.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VIN, VINP Input Operating Voltage Range | After Start-Up, VEXTVCC = 12V | 2.8 | - | 100 | V |
| VIN Quiescent Current | Shutdown (VEN/UVLO = 0V), Not Switching | 1 | 4 | 15 | µA |
| DG Gate Drive Voltage (VDG – VIN) | Non-Switching | 7.0 | 8.5 | - | V |
| FB1 Regulation Voltage | CCM, DCM, Burst Mode Operation, Pass-Thru Mode Boost Loop | 0.9875 | 1.00 | 1.0125 | V |
| FB2 Regulation Voltage | Pass-Thru Mode Buck Loop | 0.985 | 1.00 | 1.015 | V |
| TG1, TG2 Gate Driver Pull-Up Resistance | - | - | 3 | - | Ω |
| TG1, TG2 Gate Driver Pull-Down Resistance | - | - | 1 | - | Ω |
Key Features
- Precision current sense amplifier for accurate monitoring and limiting of output or input average current.
- Operates in pass-thru mode, forced continuous conduction, pulse-skipping mode, and Burst Mode operation.
- Wide input voltage range: 4.5V to 100V.
- High efficiency across various operating modes.
- Integrated gate drivers with low pull-up and pull-down resistances.
- Compact QFN-40-EP package.
Applications
- Battery management systems.
- Energy harvesting and storage systems.
- Display control and power systems.
- LED driver applications.
- Smart power stages and multifunction power management ICs.
- Supercapacitor chargers and other high-efficiency power conversion systems.
Q & A
- What is the input voltage range of the LT8210IUJ#PBF?
The input voltage range is from 4.5V to 100V. - In which modes can the LT8210IUJ#PBF operate?
The LT8210IUJ#PBF can operate in pass-thru mode, forced continuous conduction, pulse-skipping mode, and Burst Mode operation. - What is the typical quiescent current of the LT8210IUJ#PBF in shutdown mode?
The typical quiescent current in shutdown mode is 4 µA. - What is the gate drive voltage range for the LT8210IUJ#PBF?
The gate drive voltage range is from 7.0V to 8.5V. - What is the regulation voltage for FB1 in CCM, DCM, and Burst Mode operation?
The regulation voltage for FB1 is between 0.9875V and 1.0125V. - What is the package type of the LT8210IUJ#PBF?
The package type is QFN-40-EP. - Is the LT8210IUJ#PBF suitable for battery management systems?
Yes, it is suitable for battery management systems due to its precision current sense amplifier and wide input voltage range. - Can the LT8210IUJ#PBF be used in energy harvesting applications?
Yes, it can be used in energy harvesting applications due to its high efficiency and flexible operating modes. - What are the typical gate driver pull-up and pull-down resistances?
The typical gate driver pull-up resistance is 3 Ω, and the pull-down resistance is 1 Ω. - Is the LT8210IUJ#PBF RoHS compliant?
Yes, the LT8210IUJ#PBF is RoHS compliant.
