XC6505B401ER-G Equivalent & Substitute Parts

Part Overview

The XC6505B401ER-G is a linear voltage regulator IC manufactured by Torex Semiconductor Ltd, classified as a Power Management (PMIC) component. This positive fixed output regulator delivers 200mA at 4V output with a maximum dropout voltage of 0.21V at 100mA. The device is housed in a 6-USPC (1.8x2) surface mount package and includes integrated over-current and over-temperature protection features with an enable control input.

The XC6505B401ER-G maintains Active product status with full RoHS3 compliance and MSL Level 1 rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across all critical parameters, ensuring direct interchangeability in existing designs without circuit modification.

Substiute Parts

XC6505B401ER-G

Torex Semiconductor LtdIn Stock: 930XC6505B401ER-G Datasheet

Current PartRFQ

XC6505A401ER-G

Torex Semiconductor LtdIn Stock: 898XC6505A401ER-G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the XC6505B401ER-G is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Fixed output voltage of 4V
• Output current rating of 200mA
• Maximum input voltage of 10.5V
• Dropout voltage specification of 0.21V at 100mA
• Quiescent current of 8µA
• PSRR of 55dB at 1kHz
• Enable control feature
• Over-current and over-temperature protection

Mechanical Equivalence Criteria:

• 6-UFDFN Exposed Pad package type
• 6-USPC (1.8x2) supplier device package
• Surface mount mounting type
• Operating temperature range of -40°C to 105°C

Compliance Equivalence Criteria:

• RoHS3 compliance
• MSL Level 1 rating
• Active product status

The XC6505A401ER-G meets all electrical, mechanical, and compliance requirements for direct substitution with the XC6505B401ER-G.

Parameter Comparison

Engineering Selection Recommendations

The XC6505A401ER-G is a direct parametric equivalent to the XC6505B401ER-G. Both devices are manufactured by Torex Semiconductor Ltd and maintain identical electrical specifications, mechanical packaging, and compliance certifications.

Selection Basis:

Both parts maintain Active product status, ensuring continued availability and manufacturing support. Both devices carry RoHS3 compliance and MSL Level 1 ratings, meeting environmental and moisture sensitivity requirements for standard PCB assembly processes.

The XC6505A401ER-G provides equivalent performance across all specified parameters: 4V fixed output, 200mA output current, 0.21V dropout voltage at 100mA, 55dB PSRR at 1kHz, and identical protection features. The 6-UFDFN Exposed Pad package with 6-USPC (1.8x2) dimensions ensures mechanical interchangeability without PCB layout modification.

Selection between these parts may be based on inventory availability, lead time, or supplier preference, as no electrical or mechanical differentiation exists between the two devices.

Frequently Asked Questions (FAQ)

Q: Can the XC6505A401ER-G be used as a direct replacement for the XC6505B401ER-G?

A: Yes. The XC6505A401ER-G is a direct parametric equivalent. All electrical specifications, output voltage, current rating, dropout voltage, protection features, and package dimensions are identical. No circuit modification or PCB redesign is required.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use the 6-UFDFN Exposed Pad package type with 6-USPC (1.8x2) supplier device package dimensions. PCB footprints and land patterns are identical.

Q: Do both parts have the same operating temperature range?

A: Yes. Both the XC6505B401ER-G and XC6505A401ER-G operate across -40°C to 105°C (TA), ensuring equivalent thermal performance in the same application environment.

Q: Are there any compliance differences between these parts?

A: No. Both parts maintain RoHS3 compliance, MSL Level 1 rating, REACH Unaffected status, and identical ECCN and HTSUS classifications.

Q: What is the significance of the "B" and "A" designations in the part numbers?

A: The "B" and "A" designations represent different manufacturing revisions within the XC6505 base product family. Both revisions meet identical electrical and mechanical specifications for the 4V 200mA output configuration.

Q: Can these parts be mixed in the same production batch?

A: Yes. Both parts are functionally and mechanically equivalent and may be used interchangeably in the same design without performance degradation or compatibility issues.

Q: What protection features are included in both parts?

A: Both the XC6505B401ER-G and XC6505A401ER-G include integrated over-current protection and over-temperature protection, ensuring safe operation under fault conditions.