XC6701D352PR-G Equivalent & Substitute Parts

Part Overview

The XC6701D352PR-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 output of 3.5V at 150mA with a maximum input voltage of 28V and a dropout voltage of 1.7V at 100mA. The regulator is housed in a SOT-89 surface mount package and includes integrated over-current and over-temperature protection features. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent substitute parts are identified based on matching electrical specifications and mechanical compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	3.5V
Output Current	150mA
Input Voltage (Max)	28V
Dropout Voltage (Max)	1.7V @ 100mA
Output Configuration	Positive Fixed
Number of Regulators	1
Package Type	SOT-89 (TO-243AA)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C to 85°C
Protection Features	Over Current, Over Temperature
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the XC6701D352PR-G are identified based on strict electrical and mechanical parameter matching. The primary substitution criteria include:

Critical Matching Parameters:

Fixed output voltage of 3.5V
Output current rating of 150mA
Maximum input voltage of 28V
Dropout voltage of 1.7V at 100mA
Positive fixed output configuration with single regulator
SOT-89 surface mount package (TO-243AA case)
Operating temperature range of -40°C to 85°C
Over-current and over-temperature protection
RoHS3 compliance and MSL 1 rating

The XC6216D352PR-G qualifies as a parametric equivalent based on identical electrical output specifications, input voltage ratings, dropout characteristics, package configuration, and environmental compliance certifications. Differences in quiescent current (Iq) and power supply rejection ratio (PSRR) do not affect functional substitution for applications where these secondary parameters are not critical design constraints.

Parameter Comparison

Parameter	XC6701D352PR-G	XC6216D352PR-G
Manufacturer	Torex Semiconductor Ltd	Torex Semiconductor Ltd
Category	Power Management (PMIC)	Power Management (PMIC)
Output Voltage (Fixed)	3.5V	3.5V
Output Current	150mA	150mA
Input Voltage (Max)	28V	28V
Dropout Voltage (Max)	1.7V @ 100mA	1.7V @ 100mA
Output Configuration	Positive Fixed	Positive Fixed
Number of Regulators	1	1
Quiescent Current (Iq)	105 µA	9 µA
PSRR	50dB (1kHz)	30dB (1kHz)
Package / Case	TO-243AA	TO-243AA
Supplier Device Package	SOT-89	SOT-89
Mounting Type	Surface Mount	Surface Mount
Operating Temperature	-40°C to 85°C	-40°C to 85°C
Protection Features	Over Current, Over Temperature	Over Current, Over Temperature
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

Both the XC6701D352PR-G and XC6216D352PR-G are active production components manufactured by Torex Semiconductor Ltd with full RoHS3 compliance and unlimited moisture sensitivity ratings. Selection between these parts is based on application-specific requirements for quiescent current and noise performance.

The XC6701D352PR-G features a quiescent current of 105 µA and a power supply rejection ratio of 50dB at 1kHz, making it suitable for applications requiring superior noise rejection and moderate standby power consumption.

The XC6216D352PR-G offers significantly lower quiescent current at 9 µA with a power supply rejection ratio of 30dB at 1kHz, making it the preferred choice for battery-powered or low-power standby applications where minimizing quiescent current is a primary design objective.

Both parts share identical output voltage, output current, input voltage rating, dropout voltage, package configuration, and operating temperature range. Direct substitution is permissible when application requirements do not impose specific constraints on quiescent current or PSRR performance.

Frequently Asked Questions (FAQ)

Q: Can the XC6216D352PR-G directly replace the XC6701D352PR-G in existing designs?

A: Yes. Both parts deliver identical output voltage (3.5V), output current (150mA), input voltage rating (28V), and dropout voltage (1.7V @ 100mA). The SOT-89 package footprint and pinout are identical. Substitution is valid for applications where the lower quiescent current of the XC6216D352PR-G does not create unintended circuit behavior changes.

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

A: The XC6701D352PR-G has a quiescent current of 105 µA and PSRR of 50dB (1kHz), while the XC6216D352PR-G has a quiescent current of 9 µA and PSRR of 30dB (1kHz). The XC6216D352PR-G is optimized for low-power applications, while the XC6701D352PR-G provides superior noise rejection.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the XC6701D352PR-G and XC6216D352PR-G are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity ratings.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. Both parts use the SOT-89 (TO-243AA) surface mount package with identical pinout and footprint compatibility.

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

A: The XC6216D352PR-G is recommended for battery-powered applications due to its significantly lower quiescent current of 9 µA compared to 105 µA in the XC6701D352PR-G, resulting in extended battery life.

Q: Which part provides better noise performance?

A: The XC6701D352PR-G provides superior power supply rejection with 50dB PSRR at 1kHz compared to 30dB PSRR in the XC6216D352PR-G, making it better suited for noise-sensitive analog circuits.

Q: Are both parts currently in production?

A: Yes. Both the XC6701D352PR-G and XC6216D352PR-G are active production components with current inventory availability.

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