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Product Detailed Parameters
- Description：IC PFC CTR AVERAGE 100KHZ 20SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Mode：Average Current
- Frequency - Switching：100kHz
- Voltage - Supply：27V
- Operating Temperature：0°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SO
- Current - Startup：-
- Grade：-
- Qualification：-
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Overview
The LT1509CSW#TRPBF is a power factor correction controller manufactured by Analog Devices Inc. It integrates PWM and current-mode control for PFC applications. The device operates within an input voltage range of 11.5 V to 25 V. It provides a nominal output voltage of 7.5 V and supports a maximum output current of 1.5 A. The component utilizes pulse width modulation technology and is housed in a 20-pin SOP package with dimensions of 12.8 mm length.
Feature Summary
- Integrates combined PFC PWM and current-mode control functions
- Includes a post regulator for stable operation
- Supports high peak output current capability
Applications
- Power factor correction circuits
- Current mode control systems
- PWM based power management designs
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the SOP-20 package code matches design requirements. Ensure compliance with RoHS standards as indicated in official documentation. Check for lead-free status if required by assembly processes. Validate the manufacturer part number against official Analog Devices databases before procurement.
Selection Notes
Select this component for applications requiring integrated PFC and current-mode control. Consider the 11.5 V to 25 V input range for compatibility. Evaluate the 20-pin SOP package for board space constraints. Verify the 1.5 A output current meets load requirements. Assess the need for the integrated post regulator feature.
Part Context
This part belongs to the LT1509 series of power factor correction controllers from Analog Devices. It is designed for efficient power conversion with integrated control logic. The series focuses on combining multiple control modes to simplify circuit design. It serves as a solution for meeting regulatory efficiency standards in power supplies.
Replacement Considerations
Consult official Analog Devices documentation for verified substitute part numbers. Cross-reference pinouts and electrical specifications carefully. Ensure any replacement maintains the same control mode and voltage ratings.
