TLP2768(F) Equivalent & Substitute Parts

Part Overview

The TLP2768(F) is a logic output optoisolator manufactured by Toshiba Semiconductor and Storage, designed for high-speed digital isolation applications. This component features a single channel with open collector output, 5000Vrms isolation voltage, and 20MBd data rate capability. The TLP2768(F) is classified as obsolete, making identification of active equivalent parts essential for ongoing design support, procurement continuity, and system maintenance. The substitute part TLP2768A(E) provides functional equivalence with enhanced output characteristics and active product status.

Substiute Parts

TLP2768(F)
Toshiba Semiconductor and StorageIn Stock: 694TLP2768(F) Datasheet
TLP2768(F)
Current Part
TLP2768A(E
Toshiba Semiconductor and StorageIn Stock: 1023TLP2768A(E Datasheet
TLP2768A(E
MFR Recommended

Key Parameters

Parameter Value
Number of Channels 1
Voltage - Isolation 5000Vrms
Common Mode Transient Immunity (Min) 20kV/µs
Input Type DC
Output Type Open Collector
Current - Output / Channel 25 mA
Data Rate 20MBd
Propagation Delay tpLH / tpHL (Max) 60ns / 60ns
Rise / Fall Time (Typ) 30ns / 30ns
Voltage - Forward (Vf) (Typ) 1.55V
Current - DC Forward (If) (Max) 25mA
Voltage - Supply 2.7V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Substitute Part Grouping Explanation

Substitution of the TLP2768(F) with the TLP2768A(E) is based on strict electrical and mechanical parameter equivalence. Both components share identical specifications across all critical isolation, timing, and electrical performance parameters. The substitution logic is determined by the following key parameters:

Electrical Equivalence Criteria:

  • Isolation voltage: 5000Vrms (identical)
  • Common mode transient immunity: 20kV/µs (identical)
  • Data rate: 20MBd (identical)
  • Propagation delay: 60ns maximum (identical)
  • Output current capability: 25 mA per channel (identical)
  • Supply voltage range: 2.7V ~ 5.5V (identical)
  • Operating temperature range: -40°C ~ 125°C (identical)

Mechanical Compatibility:

  • Mounting type: Surface Mount (identical)
  • Package family: 6-pin SOIC configuration (compatible)
  • Pin count and function: 1 input / 0 feedback channels (identical)

The TLP2768A(E) represents the active product line continuation with Schottky clamped output stage enhancement and improved compliance certifications.

Parameter Comparison

Parameter TLP2768(F) TLP2768A(E)
Manufacturer Toshiba Semiconductor and Storage Toshiba Semiconductor and Storage
Category Optoisolators Optoisolators
Number of Channels 1 1
Inputs - Side 1/Side 2 1/0 1/0
Voltage - Isolation 5000Vrms 5000Vrms
Common Mode Transient Immunity (Min) 20kV/µs 20kV/µs
Input Type DC DC
Output Type Open Collector Open Collector, Schottky Clamped
Current - Output / Channel 25 mA 25 mA
Data Rate 20MBd 20MBd
Propagation Delay tpLH / tpHL (Max) 60ns / 60ns 60ns / 60ns
Rise / Fall Time (Typ) 30ns / 30ns 30ns / 30ns
Voltage - Forward (Vf) (Typ) 1.55V 1.55V
Current - DC Forward (If) (Max) 25mA 25mA
Voltage - Supply 2.7V ~ 5.5V 2.7V ~ 5.5V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Package / Case 6-SOIC (0.268", 6.80mm Width) 6-SOIC (0.295", 7.50mm Width)
Product Status Obsolete Active
RoHS Status Not specified ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not specified 1 (Unlimited)
REACH Status Not specified REACH Unaffected

Engineering Selection Recommendations

Primary Substitute: TLP2768A(E)

The TLP2768A(E) is the direct active equivalent for the obsolete TLP2768(F). Selection of this substitute is based on the following engineering factors:

Product Status Alignment: The TLP2768A(E) maintains active product status with full manufacturer support, ensuring long-term availability and technical documentation access. The TLP2768(F) obsolete status necessitates transition to an active equivalent for new designs and ongoing procurement.

Electrical Performance: All critical electrical parameters remain identical between the two parts, including isolation voltage, CMTI rating, data rate, propagation delay, and supply voltage specifications. Direct functional substitution is supported without circuit modification.

Output Stage Enhancement: The TLP2768A(E) incorporates Schottky clamped output stage technology compared to the standard open collector output of the TLP2768(F). This enhancement provides improved switching characteristics and reduced output voltage overshoot without affecting the specified electrical parameters.

Compliance and Certifications: The TLP2768A(E) carries ROHS3 compliance and REACH unaffected status with MSL 1 rating, meeting current regulatory requirements for industrial and commercial applications. These certifications support deployment in regulated environments and long-term supply chain stability.

Package Consideration: Both parts utilize 6-pin SOIC surface mount packaging. The TLP2768A(E) package width is 7.50mm compared to 6.80mm for the TLP2768(F). PCB layout verification is required to confirm physical fit within existing board designs, though pin pitch and functional pinout remain compatible.

Frequently Asked Questions (FAQ)

Q: Can the TLP2768A(E) directly replace the TLP2768(F) in existing designs?

A: Yes. The TLP2768A(E) provides direct electrical substitution with identical isolation voltage, CMTI, data rate, propagation delay, and supply voltage specifications. PCB layout verification is required due to minor package width differences (7.50mm vs 6.80mm), but functional pinout and electrical performance are fully compatible.

Q: What is the primary difference between the TLP2768(F) and TLP2768A(E)?

A: The TLP2768A(E) features a Schottky clamped output stage compared to the standard open collector output of the TLP2768(F). Both parts maintain identical electrical specifications for isolation, timing, and current ratings. The TLP2768A(E) is the active product with current manufacturer support.

Q: Why is the TLP2768(F) listed as obsolete?

A: The TLP2768(F) has reached end-of-life status in the Toshiba product portfolio. The TLP2768A(E) represents the active continuation of this product line with enhanced output characteristics and full compliance certifications.

Q: Are there any compliance differences between these parts?

A: The TLP2768A(E) carries ROHS3 compliance and REACH unaffected certification with MSL 1 rating. The TLP2768(F) compliance status is not specified. For applications requiring regulatory compliance documentation, the TLP2768A(E) is the appropriate selection.

Q: What is the impact of the Schottky clamped output on circuit design?

A: The Schottky clamped output stage in the TLP2768A(E) reduces output voltage overshoot and improves switching performance compared to standard open collector outputs. No circuit modification is required for substitution, as the output current rating and voltage specifications remain identical.

Q: Are the package dimensions compatible for PCB layout?

A: Both parts use 6-pin SOIC surface mount packaging with identical pin pitch and functional pinout. The TLP2768A(E) package width is 7.50mm compared to 6.80mm for the TLP2768(F). Existing PCB layouts should be verified to confirm adequate clearance and component placement compatibility.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: The TLP2768A(E) carries MSL 1 rating, indicating unlimited shelf life without moisture control requirements. The TLP2768(F) MSL rating is not specified. MSL 1 classification supports extended storage and simplified supply chain handling.

Q: Can both parts be used interchangeably in new designs?

A: New designs should specify the TLP2768A(E) due to its active product status, compliance certifications, and manufacturer support. The TLP2768(F) is suitable only for legacy system maintenance where existing inventory is available.

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