ISL6520ACB-T Equivalent & Substitute Parts

Part Overview

The ISL6520ACB-T is a Buck Regulator Positive Output Step-Down DC-DC Controller IC manufactured by Renesas Electronics Corporation in 8-SOIC packaging. This component functions as a transistor driver for step-down voltage conversion with a single output phase and 100% maximum duty cycle operation. The ISL6520ACB-T is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

ISL6520ACB-T
Renesas Electronics CorporationIn Stock: 35210ISL6520ACB-T Datasheet
ISL6520ACB-T
Current Part
ISL6520ACBZ-T
Renesas Electronics CorporationIn Stock: 3215ISL6520ACBZ-T Datasheet
ISL6520ACBZ-T
Direct

Key Parameters

Parameter Value
Manufacturer Part Number ISL6520ACB-T
Manufacturer Renesas Electronics Corporation
Category Power Management (PMIC)
Description IC REG CTRLR BUCK 8SOIC
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V
Frequency - Switching 300kHz
Duty Cycle (Max) 100%
Synchronous Rectifier Yes
Control Features Phase Control
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Product Status Obsolete
RoHS Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ISL6520ACB-T are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

  • Topology: Buck (Step-Down)
  • Output Configuration: Positive
  • Number of Outputs: 1
  • Output Phases: 1
  • Voltage Supply Range: 4.5V ~ 5.5V
  • Switching Frequency: 300kHz
  • Duty Cycle (Max): 100%
  • Synchronous Rectifier: Yes
  • Control Features: Phase Control
  • Operating Temperature Range: 0°C ~ 70°C (TA)
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Output Type: Transistor Driver
  • Function: Step-Down

The ISL6520ACBZ-T meets all electrical and mechanical parameters specified for the ISL6520ACB-T, establishing it as a direct substitute. The primary distinction is product status and compliance certification.

Parameter Comparison

Parameter ISL6520ACB-T ISL6520ACBZ-T
Manufacturer Renesas Electronics Corporation Renesas Electronics Corporation
Category Power Management (PMIC) Power Management (PMIC)
Description IC REG CTRLR BUCK 8SOIC IC REG CTRLR BUCK 8SOIC
Function Step-Down Step-Down
Output Configuration Positive Positive
Topology Buck Buck
Number of Outputs 1 1
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V 4.5V ~ 5.5V
Frequency - Switching 300kHz 300kHz
Duty Cycle (Max) 100% 100%
Synchronous Rectifier Yes Yes
Control Features Phase Control Phase Control
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Product Status Obsolete Active
RoHS Status RoHS non-compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The ISL6520ACBZ-T is the direct substitute for the ISL6520ACB-T. Both parts share identical electrical specifications and mechanical packaging. The ISL6520ACBZ-T is currently in active production status, whereas the ISL6520ACB-T is obsolete. The ISL6520ACBZ-T carries ROHS3 compliance certification, meeting modern regulatory requirements for new designs and manufacturing environments requiring RoHS adherence. The ISL6520ACB-T remains RoHS non-compliant. Both parts maintain identical REACH status and moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can ISL6520ACBZ-T replace ISL6520ACB-T in existing designs?

A: Yes. The ISL6520ACBZ-T is electrically and mechanically identical to the ISL6520ACB-T. All functional parameters, including buck topology, 300kHz switching frequency, 100% duty cycle capability, synchronous rectification, phase control features, and 8-SOIC packaging are equivalent. No circuit modifications are required.

Q: What is the primary difference between these two parts?

A: The ISL6520ACB-T is obsolete, while the ISL6520ACBZ-T is in active production. The ISL6520ACBZ-T is ROHS3 compliant, whereas the ISL6520ACB-T is RoHS non-compliant. Both parts are functionally identical.

Q: Are there packaging differences between ISL6520ACB-T and ISL6520ACBZ-T?

A: Both parts use 8-SOIC (0.154", 3.90mm Width) packaging. The ISL6520ACBZ-T is supplied in Cut Tape (CT) and Digi-Reel® packaging formats. Mechanical compatibility is complete.

Q: What supply voltage range does this controller support?

A: Both the ISL6520ACB-T and ISL6520ACBZ-T operate with a supply voltage range of 4.5V to 5.5V (Vcc/Vdd).

Q: Is the ISL6520ACBZ-T suitable for new product designs?

A: Yes. The ISL6520ACBZ-T is in active production status and carries ROHS3 compliance certification, making it appropriate for new designs and manufacturing environments with RoHS requirements.

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