XC6221A1027R-G Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The XC6221A1027R-G is an active linear voltage regulator IC manufactured by Torex Semiconductor Ltd, classified as a Power Management (PMIC) component. This device delivers a fixed positive 1V output at 200mA with integrated enable control and over-current protection. The part is currently in active production status with 954 units in stock. Alternative equivalent parts are available to support supply chain flexibility and design optimization for applications requiring fixed 1V regulation in compact 4-USPN surface mount packages.

Substiute Parts

XC6221A1027R-G

Torex Semiconductor LtdIn Stock: 1024XC6221A1027R-G Datasheet

Current PartRFQ

XC6217C1027R-G

Torex Semiconductor LtdIn Stock: 831XC6217C1027R-G Datasheet

Parametric EquivalentRFQ

XC6217D1027R-G

Torex Semiconductor LtdIn Stock: 1106XC6217D1027R-G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the XC6221A1027R-G is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Output Voltage (Fixed): 1V
• Output Current: 200mA
• Input Voltage (Max): 6V
• Dropout Voltage (Max): 0.65V @ 100mA
• Package / Case: 4-XDFN (4-USPN 0.90x1.2)
• Operating Temperature Range: -40°C ~ 85°C (TA)
• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Control Features: Enable
• Protection Features: Over Current
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Variable Parameters (Non-Critical for Substitution):

• Quiescent Current (Iq): 50 µA (main part) vs. 8 µA (substitutes)
• Current - Supply (Max): Not specified in main part; 50 µA in substitutes

The XC6221A1027R-G qualifies two parametric equivalents from the Torex XC6217 series. Both substitute parts maintain identical electrical performance across all critical voltage, current, and thermal specifications while offering improved quiescent current characteristics.

Parameter Comparison

Engineering Selection Recommendations

All three parts—XC6221A1027R-G, XC6217C1027R-G, and XC6217D1027R-G—are active production components with ROHS3 compliance and unlimited moisture sensitivity classification. Selection between these equivalents is based on the following criteria:

XC6221A1027R-G (Primary Part): Select when the original design specification explicitly requires this part number or when 50 µA quiescent current is acceptable for the application. Current inventory: 954 units.

XC6217C1027R-G (Substitute): Select when improved power efficiency is required due to reduced quiescent current (8 µA vs. 50 µA). This part is electrically and mechanically interchangeable. Current inventory: 755 units.

XC6217D1027R-G (Substitute): Select when improved power efficiency is required due to reduced quiescent current (8 µA vs. 50 µA). This part is electrically and mechanically interchangeable. Current inventory: 1035 units.

All parts carry identical regulatory compliance (ROHS3, REACH Unaffected, ECCN EAR99, HTSUS 8542.39.0001) and operate across the same temperature range (-40°C ~ 85°C). Substitution does not require design modification or re-qualification when electrical and thermal specifications remain within application limits.

Frequently Asked Questions (FAQ)

Q: Can XC6217C1027R-G or XC6217D1027R-G be used as direct replacements for XC6221A1027R-G?

A: Yes. Both XC6217 variants are parametric equivalents with identical output voltage (1V), output current (200mA), input voltage rating (6V max), dropout voltage (0.65V @ 100mA), package (4-XDFN), and operating temperature range (-40°C ~ 85°C). The primary difference is quiescent current: XC6217 series operates at 8 µA versus 50 µA for XC6221A1027R-G. This difference does not affect circuit functionality or compatibility.

Q: What is the difference between XC6217C1027R-G and XC6217D1027R-G?

A: Both parts are electrically identical across all provided specifications. They share the same output voltage, current rating, dropout voltage, PSRR, control features, and protection features. No technical distinction exists between these two variants based on the available parameters.

Q: Are there any package or pinout differences between these parts?

A: No. All three parts use the identical 4-XDFN package (4-USPN 0.90x1.2 form factor) with surface mount mounting type. Pinout and PCB footprint compatibility is guaranteed.

Q: Do these parts require different PCB layout or thermal management?

A: No. All three parts operate within the same thermal specifications (-40°C ~ 85°C) and dropout voltage limits (0.65V @ 100mA). PCB layout, thermal considerations, and design practices remain unchanged across all three equivalents.

Q: Are all three parts RoHS compliant?

A: Yes. XC6221A1027R-G, XC6217C1027R-G, and XC6217D1027R-G are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. All parts are REACH Unaffected and carry ECCN EAR99 classification.

Q: Which part should be selected for battery-powered or low-power applications?

A: XC6217C1027R-G or XC6217D1027R-G are preferred for power-sensitive applications due to 8 µA quiescent current versus 50 µA in XC6221A1027R-G. This 42 µA reduction in standby current consumption provides measurable power savings in battery-operated designs.

Q: Is design re-qualification required when substituting these parts?

A: No design re-qualification is required when substituting between these three parts, provided the application operates within the specified electrical and thermal parameters. All parts maintain identical voltage regulation, current delivery, and protection characteristics.