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Product Detailed Parameters
- Description：IC REG CTRLR MULT TOPOLOGY 8SOIC
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Flyback, Forward Converter
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：7.6V ~ 30V
- Frequency - Switching：-
- Duty Cycle (Max)：97%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The AAC243E-S8A-G-LF-TR is a current mode PWM controller manufactured by Microchip Technology. It operates with a switching frequency of 1 MHz and supports a maximum duty cycle of 97%. The device provides a regulated output voltage of 5 V with an output current capability of 50 mA. Designed for surface mount installation, it is housed in an 8-SOIC package. The component functions within a minimum operating temperature of -40°C and a maximum operating temperature of +105°C.
Feature Summary
- Supports multi-topology DC-DC converter designs
- Utilizes current mode PWM control architecture
- Integrated regulator circuitry for stable operation
Applications
- Multi-topology DC-DC power supply systems
- Industrial control power modules
- Embedded system voltage regulation
Procurement Notes
Verify the complete part number including suffixes to ensure correct packaging and temperature grade. Confirm RoHS compliance status through official datasheets. Check for moisture sensitivity levels prior to soldering. Validate pinout compatibility with existing PCB footprints. Ensure ordering quantities match reel or cut tape specifications provided by the distributor.
Selection Notes
Select this controller for applications requiring flexible topology support and high-frequency operation. The 1 MHz switching frequency allows for smaller passive components compared to lower frequency alternatives. Consider the 50 mA output drive capability when sizing external MOSFETs. Evaluate thermal performance within the specified -40°C to +105°C range for your specific enclosure constraints.
Part Context
This component belongs to Microchip's AAC243 series of switching controllers. It is designed as a versatile solution for various DC-DC conversion topologies. The device integrates essential control logic for efficient power management in compact form factors suitable for modern electronic designs.
Replacement Considerations
Consult official Microchip documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout and electrical characteristics. Verify that alternative components meet the same operating temperature and packaging requirements.
