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Product Detailed Parameters
- Description：MOSFET P-CH 20V 1.9A SC70-6
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：20 V
- Current - Continuous Drain (Id) @ 25°C：1.9A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：1.8V, 4.5V
- Rds On (Max) @ Id, Vgs：80mOhm @ 2A, 4.5V
- Vgs(th) (Max) @ Id：1V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：11 nC @ 4.5 V
- Vgs (Max)：±8V
- Input Capacitance (Ciss) (Max) @ Vds：745 pF @ 10 V
- FET Feature：-
- Power Dissipation (Max)：570mW (Ta)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SC-70-6
- Package / Case：6-TSSOP, SC-88, SOT-363
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Overview
The AO7417 is a 20V P-Channel MOSFET utilizing advanced trench technology for low RDS(ON) and gate charge. It operates with gate voltages as low as 1.5V in an SOT-363 footprint. Key parameters include VDS of -20V, ID of -2A at VGS=-4.5V, and RDS(ON) values ranging from <80mΩ to <150mΩ depending on VGS (-4.5V to -1.5V). Thermal resistance (RqJA) is 220°C/W at 25°C ambient. Junction temperature range is -55°C to 150°C.
Feature Summary
- Advanced trench technology provides excellent on-resistance and low gate charge.
- Capable of operation with gate-source voltages as low as 1.5V.
- Designed for compact applications within the small SOT-363 footprint.
Applications
- Buck converters
Procurement Notes
Verify the specific package variant against the datasheet drawing, as SOT-363 pinouts can vary by manufacturer revision. Confirm thermal performance requirements match the specified junction-to-ambient resistance under your board's copper layout conditions. Ensure gate drive voltage levels align with the threshold characteristics for reliable switching.
Selection Notes
Select this component when a compact P-Channel solution is required for low-voltage buck conversion. The low gate charge supports high-frequency operation, while the 1.5V minimum gate drive compatibility suits logic-level control interfaces. Evaluate thermal constraints carefully due to the small package size and associated thermal resistance limitations.
Part Context
This device belongs to Alpha & Omega Semiconductor’s portfolio of power MOSFETs designed for space-constrained applications. The AO7417 specifically targets synchronous rectification or high-side switching roles where minimal footprint and efficient low-voltage control are critical design drivers.
Replacement Considerations
Check pinout compatibility if substituting with other SOT-363 P-Channel MOSFETs. Verify that replacement parts meet or exceed the -20V breakdown voltage and -2A continuous current ratings. Ensure gate threshold voltage ranges are compatible with the existing control circuitry.
