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Product Detailed Parameters
- Description：LINEAR IC
- Series：aMOS5™
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：700 V
- Current - Continuous Drain (Id) @ 25°C：7A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：10V
- Rds On (Max) @ Id, Vgs：780mOhm @ 1.4A, 10V
- Vgs(th) (Max) @ Id：4.1V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：11.5 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：675 pF @ 100 V
- FET Feature：-
- Power Dissipation (Max)：89W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：TO-263 (D2PAK)
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
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Overview
The AOB780A70L is an N-channel Power MOSFET from Alpha & Omega Semiconductor, utilizing the aMOS5 technology. It features a drain-source voltage (Vdss) of 700 V and a continuous drain current (Id) of 7 A at case temperature. The device has a maximum on-resistance (Rds(on)) of 780 mΩ at 10 V gate drive. It is housed in a surface-mount TO-263 (D2PAK) package with a power dissipation rating of 89 W at case temperature. Key electrical parameters include a gate charge of 11.5 nC and an input capacitance of 675 pF.
Feature Summary
- High-voltage capability with 700 V drain-source breakdown
- Optimized for low conduction losses via aMOS5 technology
- Surface-mount D2PAK package for efficient thermal management
Applications
- High-voltage DC-DC converters
- Power factor correction circuits
- Industrial motor control systems
Procurement Notes
Verify the specific suffix 'L' against the manufacturer's official datasheet to confirm package and material specifications. Ensure compatibility with RoHS3 standards if required by your design. Cross-reference the part number with Alpha & Omega Semiconductor documentation to avoid confusion with similar variants like AOT or AOD series components.
Selection Notes
Select this component for applications requiring high voltage isolation and moderate current handling in a compact surface-mount form factor. Consider the 780 mΩ on-resistance for efficiency calculations at 10 V gate drive. Evaluate thermal performance based on the 89 W case dissipation rating and ensure adequate heatsinking for sustained operation.
Part Context
This part belongs to the AOB780 family, which includes variants such as AOT780A70L (TO-220F) and AOD780A70 (TO-252). All share the same core electrical characteristics but differ in packaging and thermal resistance. The AOB variant specifically targets surface-mount assembly requirements while maintaining the high-voltage performance of the 700 V class.
Replacement Considerations
Direct substitutes include AOT780A70L for through-hole applications and AOD780A70 for TO-252 surface-mount needs. Verify pinout compatibility and thermal pad configuration when replacing with these variants.
