FOD3120S

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FOD3120S

OPTOISO 5KV 1CH GATE DVR 8SMD

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Especificaciones

Part Status Active
Technology Optical Coupling
Number of Channels 1
Voltage - Isolation 5000Vrms
Common Mode Transient Immunity (Min) 35kV/µs
Propagation Delay tpLH / tpHL (Max) 400ns, 400ns
Pulse Width Distortion (Max) 100ns
Rise / Fall Time (Typ) 60ns, 60ns
Current - Output High, Low 2A, 2A
Current - Peak Output 3A
Voltage - Forward (Vf) (Typ) 1.5V
Current - DC Forward (If) (Max) 25 mA
Voltage - Output Supply 15V ~ 30V
Operating Temperature -40°C ~ 100°C
Mounting Type Surface Mount
Package 8-SMD, Gull Wing
Supplier Device Package 8-SMD
Approval Agency UL
Packaging Bulk

Descripción general

Description

FOD3120S is an optically isolated gate-driver IC used to drive power MOSFETs/IGBTs in switching electronics (inverters, motor drives, SMPS, etc.). It provides galvanic isolation between the low-voltage control logic (input side) and the high-voltage gate-drive side (output). The input is a logic-level LED; the output stage can source and sink substantial current to quickly charge/discharge the gate, enabling fast switching. It typically includes undervoltage lockout and protection features to prevent false triggering. A separate isolated supply (Vcc2) powers the output gate drive, while the input side references its own supply. Common applications include motor drives, solar inverters, UPS, and power supplies. Package options are usually compact like 8-pin SOIC/DIP. In short, FOD3120S provides safe, fast, isolated drive to power switches in high-voltage applications.

Features

FOD3120S features (concise):
- Optically isolated gate-driver for IGBTs/MOSFETs
- Isolation between input and output (up to 5 kV RMS)
- Output supply range: 15–30 V
- High peak source/sink current for fast gate switching
- TTL/CMOS-compatible input (LED-driven)
- Undervoltage lockout on both input and output sides
- Fast propagation delay with quick rise/fall times
- High common-mode transient immunity
- Wide operating temp range (-40°C to +125°C)
- Surface-mount (S) package variant
Applications: motor drives, inverters, switching power supplies, and other power-electronics gate-driving needs.

Package

8-pin SOIC (SO-8) package.

Pinout

- Pin count: 8 pins (DIP-8/SOIC-8).
- Function: Optically isolated gate driver for IGBTs/MOSFETs; accepts a logic input on the primary side and provides a high‑current, isolated gate drive on the secondary side to switch the device, with galvanic isolation between input and output.

Manufacturer

FOD3120S is manufactured by ON Semiconductor (the company that acquired Fairchild Semiconductor). ON Semiconductor is a global, multinational semiconductor company that designs and manufactures integrated circuits and related devices for various industries.

Application

FOD3120S is an optically isolated gate driver for IGBTs and MOSFETs. Common applications include:
- Switch-mode power supplies (SMPS) and DC-DC converters
- AC motor drives (inverters, PMSM/BLDC)
- Solar/wind inverters and energy storage systems
- Uninterruptible power supplies (UPS)
- Industrial power supplies and high-voltage switchgear control

Equivalent

Common cross equivalents (2.5 A optically isolated IGBT/MOSFET gate drivers) include:
- HCPL-3120 (Broadcom/Avago)
- ACPL-3120 (Broadcom/Avago)
- Si8270/Si8271 or Si823x family (Silicon Labs)
- FOD3170 / FOD3170A (ON Semiconductor)
Note: check pinout, voltage, and package differences before substituting.

Envío

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DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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