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TLP3122 from TOSHIBA

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TLP3122

Manufacturer: TOSHIBA, TOSH

Photorelay (MOSFET output, 1-form-a)

Partnumber Manufacturer Quantity Availability
TLP3122 TOSHIBA, TOSH 2600 In Stock

Description and Introduction

Photorelay (MOSFET output, 1-form-a) The TLP3122 is a photocoupler (or optocoupler) manufactured by Toshiba. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Type:** Photocoupler with GaAs IRLED and Photodiode with Integrated High-Speed IC  
- **Isolation Voltage:** 3750Vrms (min)  
- **Supply Voltage (VCC):** 10V to 30V  
- **Output Current (IO):** 0.5A (max)  
- **Peak Output Current (IO(peak)):** 1.5A (max)  
- **Turn-On Time (ton):** 0.5µs (max)  
- **Turn-Off Time (toff):** 0.5µs (max)  
- **Operating Temperature Range:** -40°C to +100°C  
- **Package:** SO6  

### **Descriptions:**
- The TLP3122 is a high-speed photocoupler designed for driving power devices such as IGBTs and MOSFETs.  
- It consists of a GaAs infrared LED optically coupled to a high-speed photodiode with an integrated driver IC.  
- It provides electrical isolation between input and output circuits.  

### **Features:**  
- **High-Speed Switching:** Fast response time (0.5µs max for both turn-on and turn-off).  
- **High Output Current:** Capable of driving up to 0.5A (1.5A peak).  
- **Wide Supply Voltage Range:** Supports 10V to 30V for flexible applications.  
- **High Isolation Voltage:** 3750Vrms ensures reliable isolation.  
- **Compact Package:** SO6 package for space-saving designs.  
- **Under Voltage Lockout (UVLO) Protection:** Ensures safe operation under low voltage conditions.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Photorelay (MOSFET output, 1-form-a)

Alternative Part Number

  • AQY212S --: Solid-state MOSFET relay with similar load voltage and current ratings, commonly used as a direct functional substitute for the TLP3122 in switching applications.
  • G3VM-61A1 --: MOS FET relay offering comparable on-resistance and isolation characteristics, widely available and suitable for signal-level switching replacement.
  • LCA110 --: Optically isolated solid-state relay with similar voltage and current handling, usable as an alternative where pinout and package constraints allow.
  • ASSR-1218 --: MOSFET output solid-state relay offering comparable isolation and switching characteristics, suitable replacement for TLP3122 in low-power switching circuits.

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