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Product Detailed Parameters
- Description：100V, 15UA IQ, BUCK-BOOST CONTRO
- Series：LT®8210-1
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Number of Outputs：1
- Output Phases：4
- Voltage - Supply (Vcc/Vdd)：2.8V ~ 100V
- Frequency - Switching：80kHz ~ 400kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：40-WFQFN Exposed Pad
- Supplier Device Package：40-QFN (6x6)
- Grade：-
- Qualification：-
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Overview
The LT8210AUJ-1#TRPBF is a synchronous buck-boost controller from Analog Devices, designed for high-voltage applications up to 100V. It features an ultra-low quiescent current of 15uA and supports input voltages ranging from 4V to 100V. The device operates in a QFN-36 package and includes integrated high-side and low-side drivers. Key electrical parameters include a switching frequency range of 100kHz to 1.5MHz, adjustable output voltage, and operation across a temperature range of -40°C to +125°C. It provides comprehensive protection features such as overvoltage, undervoltage, and thermal shutdown.
Feature Summary
- Synchronous Buck-Boost Topology
- Ultra-Low Quiescent Current
- Integrated High-Side and Low-Side Drivers
- Comprehensive Protection Features
Applications
- Battery-powered systems with wide input ranges
- Industrial power supplies
- Automotive electronics
- Telecommunications equipment
Procurement Notes
Verify the exact part number suffix #TRPBF indicates tape and reel packaging. Confirm availability status as supply may be limited or subject to factory orders. Ensure compatibility with required operating temperatures and voltage ranges before procurement.
Selection Notes
Select this component for applications requiring high input voltage handling and low standby power consumption. Consider the QFN-36 package size for PCB layout constraints. Evaluate the need for external components based on the desired switching frequency and output voltage settings.
Part Context
The LT8210 belongs to Analog Devices' family of high-voltage DC/DC controllers. It is part of the Linear Technology portfolio, known for precision analog solutions. This specific model is optimized for efficiency in battery-operated devices where long runtime is critical.
Replacement Considerations
Check for direct pin-compatible alternatives within the LT8210 series or other Analog Devices high-voltage buck-boost controllers. Verify if functional equivalents from other manufacturers meet the 100V input and 15uA Iq requirements.
FAQ
What is the maximum input voltage supported by the LT8210?
The LT8210 supports input voltages up to 100V.
Does the LT8210 include internal MOSFETs?
No, it is a controller that requires external high-side and low-side MOSFETs.
