Smd Integrated Circuit

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Product BrochureProduct Details:

The A2631 from Avago Technologies (now part of Broadcom Inc.) is an optocoupler (also known as an optoisolator). It's commonly used for isolated gate driving of power transistors like IGBTs or MOSFETs.

�� A2631 – Key Features

• Type: High-speed optocoupler / gate driver

• Function: Isolated IGBT/MOSFET gate driver

• Output Type: Open collector transistor

• Input: Infrared LED (integrated)

• Isolation Voltage: Typically 3750 Vrms

• Data Rate: Up to 10 MBd

• CTR (Current Transfer Ratio): Defined by device grade

• Propagation Delay: Typically 100–300 ns, depending on load and conditions

• Common-mode Transient Immunity (CMTI): High CMTI, suitable for fast switching

�� Package Options �� Typical Applications

• Isolated IGBT and MOSFET gate drive

• Inverters and motor drives

• Switch-mode power supplies (SMPS)

• Industrial control systems

• UPS systems

�� Pinout (Typical 8-pin SO/DIP)

Note: Always consult the exact datasheet to confirm pin configuration for your variant.

�� Important Notes

• Often used with external gate resistors for controlling turn-on/turn-off speeds

• May include desaturation detection and fault feedback in enhanced versions (check exact part suffix)

Would you like the full datasheet, application note, or a reference design for using the A2631 with an IGBT or MOSFET?

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Here’s a detailed and up-to-date overview of the Toshiba TLP187 optocoupler:

�� Part Number: TLP187

Manufacturer: Toshiba (Toshiba Electronic Devices & Storage) 

Package: 4-pin SO6 surface-mount (≈ 3.7 × 7.0 × 2.1 mm)

Type: Photocoupler with Darlington phototransistor output

⚙️ Key Specifications

• Isolation voltage: 3 750 Vrms between LED and detector 

• Collector–emitter voltage (VCEO): 300 V minimum 

• Collector current (IC max): 150 mA 

• Current transfer ratio (CTR): ≥ 1 000 % at IF=1 mA 

• Saturation voltage (VCE(sat)): ≤ 1.2 V 

• Rise/Fall times: ~40 μs rise, ~15 μs fall 

• Operating temperature: –55 °C to +110 °C

✅ Certifications & Standards

• UL 1577 and cUL approved

• VDE certified per EN 60747‑5‑5 / EN 62368‑1

• CQC certified (GB 4943.1 / GB 8898) 

��️ Applications

Ideal for high-voltage signal isolation, such as:

• Programmable logic controllers (PLCs)

• I/O interfaces and home appliances

• General-purpose opto-isolation where 300 V+ isolation and fast switching are needed 

�� Pin Configuration (4-pin SO6)

1. Anode (LED +)

2. Cathode (LED –)

3. Emitter (phototransistor)

4. Collector (phototransistor)

�� Datasheet & Documentation

• English datasheet: Nov 2019, 9 pages (~268 KB) PSpice simulation available (Mar 2017) Reliability report: Oct 2024; RoHS/SVHC certificates: Jun 2025 

�� You can download the full datasheet directly from Toshiba’s site or from distributors such as Mouser, Digi-Key, Newark.

�� Production Status / Availability

• Active product, in current production 

• Available in cut tape and reel formats; typical pricing around US $0.50 – 1.10 per unit at DigiKey 

�� Summary Table

Would you like the direct datasheet PDF, PCB footprint, or help sourcing it from a specific distributor?

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The LM2901 by Texas Instruments is a quad comparator IC—meaning it contains four independent voltage comparators in a single package. Here's an overview of its key details:

✅ LM2901 – Quad Comparator IC �� Typical Applications

• Zero-crossing detectors

• Voltage level detectors

• Oscillators

• Window comparators

• Sensor interface circuits

�� Part Numbers & Variants

• LM2901DR – SOIC-14

• LM2901N – DIP-14

• LM2901DT – TSSOP-14

Would you like a datasheet, pinout diagram, or example circuit?

Approx. Rs 300 / PieceGet Latest Price

Product BrochureProduct Details:

The FAN3226T is a surface-mount device (SMD) integrated circuit (IC) manufactured by Fairchild Semiconductor (now part of ON Semiconductor). It is a dual high-speed low-side gate driver designed for switching applications, often used in motor drives, power supplies, and DC-DC converters.

Key Features:

• Dual Low-Side Drivers: Suitable for driving two independent low-side MOSFETs or other devices.
• High-Speed Performance: Fast rise and fall times, optimized for high-frequency operation.
• Input Logic Compatibility: CMOS/TTL compatible inputs with wide hysteresis for noise immunity.
• Output Drive Capability: Up to ±4A peak source/sink current for efficient switching.
• Propagation Delay: Low propagation delays for synchronous switching.
• Under-Voltage Lockout (UVLO): Protects against low supply voltage conditions.
• Wide Operating Voltage: Typically operates from 4.5V to 18V.

Applications:

• DC-DC Converters
• Synchronous Rectification
• Motor Control
• Switching Power Supplies
• Class D Audio Amplifiers

Package Type:

• Available in compact SMD packages such as SOIC-8 or WDFN (depending on the specific part variant).

Would you like additional details, such as electrical characteristics, pin configuration, or application notes?