XC6505A331ER-G Equivalent & Substitute Parts

Part Overview

The XC6505A331ER-G is a linear voltage regulator IC manufactured by Torex Semiconductor Ltd, classified as a Power Management (PMIC) component. This device delivers a fixed positive 3.3V output at 200mA with a maximum dropout voltage of 0.24V @ 100mA. The regulator features integrated over-current and over-temperature protection, along with an enable control function. The part is currently in active production status with 813 units available in new original condition from inventory. Alternative equivalent parts may be required due to supply availability, inventory rotation, or design revision updates within the XC6505 product family.

Substiute Parts

XC6505A331ER-G

Torex Semiconductor LtdIn Stock: 918XC6505A331ER-G Datasheet

Current PartRFQ

XC6505B331ER-G

Torex Semiconductor LtdIn Stock: 1009XC6505B331ER-G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the XC6505A331ER-G is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part XC6505B331ER-G belongs to the same XC6505 base product family and maintains identical specifications across all functional parameters that define regulator performance and compatibility.

The following parameters establish substitution eligibility:

• Output voltage configuration: Positive fixed 3.3V
• Output current rating: 200mA
• Maximum input voltage: 10.5V
• Dropout voltage specification: 0.24V @ 100mA
• Quiescent current: 8 µA
• PSRR performance: 60dB (1kHz)
• Package and pinout: 6-UFDFN Exposed Pad (6-USPC 1.8x2)
• Operating temperature range: -40°C ~ 105°C
• Protection and control features: Over Current, Over Temperature, Enable function
• Compliance certifications: ROHS3, MSL 1, REACH Unaffected

Parameter Comparison

Engineering Selection Recommendations

Both the XC6505A331ER-G and XC6505B331ER-G are active production components from Torex Semiconductor Ltd with full ROHS3 compliance and REACH unaffected status. The parts are functionally and mechanically identical across all specified parameters, including electrical performance, package configuration, and environmental operating conditions.

Selection between these parts is based on inventory availability and supply chain considerations. The XC6505B331ER-G currently maintains higher inventory levels (927 units) compared to the XC6505A331ER-G (813 units), making it suitable for applications where supply continuity is a priority. Both parts are qualified for the same applications and require no design modifications for substitution.

Frequently Asked Questions (FAQ)

Q: Are the XC6505A331ER-G and XC6505B331ER-G pin-compatible?

A: Yes. Both parts use the identical 6-UFDFN Exposed Pad package with 6-USPC (1.8x2) dimensions. Pinout and footprint are identical, requiring no PCB layout modifications.

Q: What is the difference between the XC6505A and XC6505B variants?

A: The provided specifications indicate no functional or electrical differences between the two variants. Both deliver 3.3V at 200mA with identical dropout voltage, quiescent current, PSRR, and protection features. The variant designation (A vs. B) reflects product family evolution within Torex's XC6505 series.

Q: Can I substitute XC6505B331ER-G for XC6505A331ER-G in existing designs?

A: Yes. The parts are direct substitutes with no design changes required. All electrical parameters, operating temperature range, and protection features are identical. The 6-USPC package footprint remains unchanged.

Q: Are both parts RoHS compliant?

A: Yes. Both XC6505A331ER-G and XC6505B331ER-G are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, suitable for standard manufacturing and storage conditions.

Q: What is the maximum input voltage for these regulators?

A: The maximum input voltage for both parts is 10.5V. Design input voltage must not exceed this specification to prevent device damage.

Q: Do these regulators include protection features?

A: Yes. Both parts include integrated over-current and over-temperature protection, along with an enable control function for power management applications.