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Product Detailed Parameters
- Description：IC PWR DRIVER P-CHANNEL 1:1
- Series：-
- Mfr：Microsemi Corporation
- Package：Bulk
- Switch Type：General Purpose
- Number of Outputs：8
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：Parallel
- Voltage - Load：10V ~ 50V
- Voltage - Supply (Vcc/Vdd)：-
- Current - Output (Max)：2.8A
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：-
- Fault Protection：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-CSOIC, Flat Leads
- Package / Case：20-CFlatPack
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Overview
The AAHS298B-06-4020A-Q is a radiation-tolerant octal source driver manufactured by Microsemi Corporation. It provides eight independent high-side outputs designed for driving loads in harsh environments. The device is screened to Class S and Class B requirements, ensuring reliability for space applications. It withstands total ionizing dose radiation up to 100 kRad. The component operates within an extended temperature range of -55°C to 125°C and utilizes a surface-mount package.
Feature Summary
- Radiation tolerance up to 100 kRad total dose
- Eight-channel high-side source driver configuration
- Screened to Class S and Class B military standards
- Extended operating temperature range from -55°C to 125°C
Applications
- Spacecraft payload power distribution
- Satellite subsystem load driving
- High-reliability industrial control systems
- Avionics equipment requiring radiation hardness
Procurement Notes
Verify the specific suffix codes against official Microsemi documentation to confirm screening level and package variant. Ensure compatibility with existing board layouts and thermal management strategies. Confirm that the Class S or Class B screening meets mission-specific qualification requirements before procurement.
Selection Notes
Select this component when radiation hardness is critical for system longevity. Compare channel count and drive capability against alternative drivers. Verify that the surface-mount form factor fits the mechanical constraints. Ensure the operating temperature range aligns with the environmental conditions of the intended deployment scenario.
Part Context
This part belongs to the AAHS298B family of radiation-tolerant octal drivers. The series is listed under SMD 5962-15231 with the Defense Logistics Agency. Microsemi emphasizes these components for leadership in space applications, providing production quantities for Class V and Q missions.
Replacement Considerations
Check for direct equivalents listed under SMD 5962-15231. Verify pinout compatibility and electrical specifications before substitution. Consult official cross-reference guides for approved alternate sources.
