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Product Detailed Parameters
- Description：IC REG BUCK 4.95V 200MA DL 16SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：2
- Voltage - Input (Min)：7V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：4.95V
- Voltage - Output (Max)：-
- Current - Output：200mA
- Frequency - Switching：40kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SO
- Grade：-
- Qualification：-
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Overview
The AZ494AUM-E1 is a switching controller from Diodes Incorporated, categorized under PMIC - Power Management ICs. It operates as an offline PWM controller with a supply voltage range of 250mA to 40Vcc and current limits of 200mA. The device supports input voltages from -0.3 to 3.0 V. Packaged in a Tube format with a factory quantity of 5000 units, it belongs to the AZ494 series. This component is designed for power management applications requiring precise switching control.
Feature Summary
- Implements Pulse Width Modulation (PWM) for efficient switching regulation
- Designed specifically for offline power conversion applications
- Integrated within the AZ494 series for standardized power management solutions
Applications
- Offline power supply designs
- Switching regulator circuits
- Power management integrated circuit systems
Procurement Notes
Verify current availability status directly with Diodes Incorporated or authorized distributors, as inventory levels may vary. Confirm that the specific ordering suffix matches the required package type and environmental compliance standards. Request official documentation to ensure the component meets all technical specifications for your design. Check for any product change notifications that might affect performance or packaging details before finalizing procurement decisions.
Selection Notes
Select this controller when designing offline power supplies requiring PWM regulation. Ensure the input voltage range aligns with system requirements. Consider the tube packaging for high-volume assembly processes. Verify compatibility with downstream components such as MOSFETs or transformers. Review thermal management needs based on the specified current ratings and operating conditions defined in the datasheet.
Part Context
Part of the AZ494 series by Diodes Incorporated, focusing on power management ICs. Designed for robust switching control in offline applications. Offers a balance of performance and reliability for industrial and consumer electronics. Supports standard tube packaging for automated manufacturing. Integrates seamlessly into existing power supply architectures requiring precise duty cycle control.
Replacement Considerations
Check for direct substitutes within the AZ494 series, such as AZ494CUP-E1, which shares similar functional characteristics. Verify pin compatibility and electrical parameters before substitution. Ensure that any replacement part meets the same RoHS and environmental standards. Consult manufacturer guidelines for approved cross-reference parts to maintain design integrity.
