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Product Detailed Parameters
- Description：OPTOISO 7.5KV 1CH GATE DVR 8SO
- Series：-
- Mfr：Broadcom Limited
- Package：Tape & Reel (TR)
- Technology：Optical Coupling
- Number of Channels：1
- Voltage - Isolation：7500Vrms
- Propagation Delay tpLH / tpHL (Max)：150ns, 150ns
- Pulse Width Distortion (Max)：80ns
- Rise / Fall Time (Typ)：26ns, 7.5ns
- Current - Output High, Low：4A, 4A
- Current - Peak Output：5A, 5A
- Voltage - Forward (Vf) (Typ)：1.5V
- Voltage - Output Supply：15V ~ 30V
- Grade：-
- Qualification：-
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.535", 13.60mm Width)
- Supplier Device Package：8-SO Stretched
- Common Mode Transient Immunity (Min)：100kV/µs
- Approval Agency：CSA, IEC/EN/DIN, UR
- Current - DC Forward (If) (Max)：25 mA
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Overview
The ACNT-H343-500E is a high-performance gate drive optocoupler manufactured by Broadcom Limited. It features a 15 mm creepage distance and 14.2 mm clearance within a stretched SO-8 package, designed for space-constrained industrial applications. The device supports a maximum output peak current of 5.0 A and offers a common-mode transient immunity (CMTI) exceeding 100 kV/μs at V_CM = 1.5 kV. It includes under-voltage lockout (UVLO) functionality with a negative power supply reference to ensure reliable operation in noisy environments.
Feature Summary
- Provides high common-mode transient immunity exceeding 100 kV/μs to prevent false triggering in electrically noisy environments.
- Features a 15 mm creepage distance and 14.2 mm clearance to support high-voltage isolation requirements.
- Integrates under-voltage lockout with negative power supply reference for robust gate drive protection.
Applications
- High-power systems drivers operating at 690 V AC
- 1500 V renewable energy inverters
- Static Var Generators (SVG) and Active Power Filters (APF)
Procurement Notes
Verify the specific suffix '500E' against the official datasheet to confirm packaging configuration and compliance status. Ensure the design accommodates the 15 mm creepage distance requirements for the intended isolation voltage class. Confirm that the negative power supply reference capability aligns with the system's ground topology.
Selection Notes
Select this component when high CMTI is critical to prevent gate driver malfunction in high dv/dt environments. The 5.0 A peak output current supports direct driving of IGBTs and SiC/GaN MOSFETs. The stretched SO-8 package facilitates PCB layout in compact designs requiring reinforced insulation distances.
Part Context
This part belongs to the ACNT-H343 series of 5 A gate drive optocouplers. It is engineered for industrial applications where space is limited but high isolation voltages are required. The series emphasizes speed and noise immunity to improve switching efficiency in modern power electronics.
Replacement Considerations
Consult official substitution lists for equivalent devices with matching 15 mm creepage and 5.0 A output capabilities. Verify pin compatibility and electrical parameters before replacing existing designs.
