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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive, Isolation Capable
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：8.2V ~ 25V
- Frequency - Switching：500kHz
- Duty Cycle (Max)：48%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Frequency Control
- Operating Temperature：0°C ~ 100°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
- Grade：-
- Qualification：-
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Overview
The LT1245CS8#TRPBF is a current mode PWM controller designed for off-line and DC/DC converter applications. It features improved speed and lower quiescent current compared to previous generations. The device operates with a maximum supply voltage of 25V and utilizes single-ended control. It is housed in an 8-pin SOIC surface-mount package, suitable for commercial temperature ranges.
Feature Summary
- Implements current mode control architecture for enhanced transient response
- Optimized for both off-line and isolated DC/DC converter topologies
- Features reduced quiescent current consumption for improved efficiency
Applications
- Off-line power supply designs
- Isolated DC/DC converter circuits
- Buck regulator step-down applications
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and tape-and-reel configuration. Ensure the component meets the required environmental compliance standards for the target application. Cross-reference the datasheet revision date to validate parameter accuracy before integration into production systems.
Selection Notes
Select this controller for designs requiring current mode regulation with low standby power consumption. Evaluate the 25V maximum supply voltage limit against input rail requirements. Confirm that the 8-pin SOIC footprint aligns with PCB layout constraints and thermal management strategies for the intended power density.
Part Context
This component belongs to the LT124x series of switching controllers from Analog Devices. It serves as a core power management IC for converting electrical energy efficiently. The part is manufactured by Linear Technology, now part of Analog Devices Inc., focusing on high-performance signal processing solutions.
Replacement Considerations
Consult official substitution guides for compatible current mode PWM controllers within the same package family. Verify pin compatibility and control loop stability when transitioning to alternative part numbers from the same or different manufacturers.
