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Product Detailed Parameters
- Description：60V L-IQ SYNC. BB CONT. W/ ISHAR
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：5.5V ~ 60V
- Frequency - Switching：100kHz ~ 650kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：38-TFSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：38-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8292AFE#PBF is a synchronous buck-boost DC-DC controller from Analog Devices Inc., designed for automotive applications with AEC-Q100 qualification. It supports an input voltage range of 5.5V to 60V and operates at switching frequencies between 100kHz and 650kHz. The device features low quiescent current, integrated iShare technology for parallel operation, and spread spectrum frequency modulation (SSFM). It utilizes a thermally enhanced 38-lead TSSOP package with exposed pad, suitable for surface mount installation across a junction temperature range of -40°C to 125°C.
Feature Summary
- Synchronous buck-boost topology with integrated low-side MOSFET drivers
- iShare current sharing capability for multi-phase parallel operation
- Spread spectrum frequency modulation to reduce EMI emissions
- Automotive-grade reliability with AEC-Q100 certification
Applications
- Automotive infotainment systems requiring wide input voltage ranges
- Battery-powered industrial equipment with varying supply voltages
- Distributed power architectures in vehicle electronics
- High-efficiency step-up/step-down conversion for sensor nodes
Procurement Notes
Verify the specific suffix matches the required packaging configuration. Confirm that the component meets AEC-Q100 standards if automotive compliance is mandatory. Ensure the thermal performance requirements align with the 38-TSSOP-EP package capabilities. Cross-reference the datasheet revision to confirm feature availability such as SSFM or iShare support.
Selection Notes
Select this controller when input voltage exceeds or falls below the desired output level. Consider the 100kHz to 650kHz frequency range for optimal inductor sizing. Utilize iShare functionality if load balancing across multiple phases is necessary. Evaluate the 60V maximum rating against peak transient conditions in the target application circuit.
Part Context
This component belongs to the LT8292 family of synchronous buck-boost controllers. It shares architectural similarities with other high-voltage regulators but distinguishes itself through automotive qualification and advanced current-sharing features. The device complements Analog Devices' portfolio of power management solutions for demanding environments.
Replacement Considerations
Direct substitutes include LT8292AFE#WPBF and LT8292AFE#WTRPBF, which offer identical electrical specifications with variations in tape-and-reel packaging options. Verify pinout compatibility and thermal pad connectivity when transitioning between these variants.
