SP6201EM5-L-3-0 Linear Voltage Regulator IC - Equivalent & Substitute Parts

Part Overview

The SP6201EM5-L-3-0 is a linear voltage regulator IC manufactured by MaxLinear, Inc., designed to deliver a fixed 3V output at 200mA maximum current. This positive fixed output regulator operates across an input voltage range up to 6V with a maximum dropout voltage of 0.5V at full load. The device integrates over-current and over-temperature protection features and includes an enable control input for power management applications.

The SP6201EM5-L-3-0 is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from active manufacturers including Analog Devices Inc./Maxim Integrated, National Semiconductor, and Microchip Technology, all offering compatible electrical and mechanical specifications within the SOT-23-5 package family.

Key Parameters

Parameter	SP6201EM5-L-3-0
Manufacturer	MaxLinear, Inc.
Output Configuration	Positive Fixed
Output Voltage	3V
Maximum Output Current	200mA
Input Voltage (Max)	6V
Dropout Voltage (Max)	0.5V @ 200mA
Package / Case	SC-74A, SOT-753 (SOT-23-5)
Operating Temperature Range	-40°C ~ 125°C
Control Features	Enable
Protection Features	Over Current, Over Temperature
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SP6201EM5-L-3-0 are selected based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Fixed 3V output voltage
SOT-23-5 package (SC-74A, SOT-753)
Positive output configuration
Operating temperature range of -40°C to 125°C (or compatible subset)
Surface mount mounting type
Enable control feature availability

Secondary Compatibility Factors:

Maximum input voltage of 6V or higher
Output current rating (200mA or greater for direct replacement; lower ratings for current-limited applications)
Dropout voltage performance
Protection features (over-current and over-temperature)
RoHS and MSL compliance

The substitute parts listed below meet all primary criteria and maintain electrical compatibility within their specified output current ratings. Parts with lower current ratings (50mA, 100mA, 150mA) are suitable for applications requiring reduced current delivery. The MCP1824T-3002E/OT offers higher current capability (300mA) for applications exceeding the original 200mA specification.

Parameter Comparison

Part Number	Manufacturer	Output Voltage	Output Current	Input Voltage (Max)	Dropout Voltage (Max)	Package	Operating Temp	Enable Feature	Product Status
SP6201EM5-L-3-0	MaxLinear, Inc.	3V	200mA	6V	0.5V @ 200mA	SOT-23-5	-40°C ~ 125°C	Yes	Discontinued
LP3988IMF-3.0/NOPB	National Semiconductor	3V	150mA	6V	0.15V @ 150mA	SOT-23-5	-40°C ~ 125°C	Yes	Active
MAX8875EUK30+T	Analog Devices Inc./Maxim Integrated	3V	150mA	6.5V	0.165V @ 150mA	SOT-23-5	-40°C ~ 85°C	Yes	Active
MCP1824T-3002E/OT	Microchip Technology	3V	300mA	6V	0.32V @ 300mA	SOT-23-5	-40°C ~ 125°C	Yes	Active
TC1054-3.0VCT713	Microchip Technology	3V	50mA	6.5V	0.12V @ 50mA	SOT-23-5	-40°C ~ 125°C	Yes	Active
TC1055-3.0VCT713	Microchip Technology	3V	100mA	6.5V	0.25V @ 100mA	SOT-23-5	-40°C ~ 125°C	Yes	Active
TC1186-3.0VCT713	Microchip Technology	3V	150mA	6.5V	0.4V @ 150mA	SOT-23-5	-40°C ~ 125°C	Yes	Active

Engineering Selection Recommendations

Direct Replacement (200mA Equivalent): The MCP1824T-3002E/OT from Microchip Technology provides the closest functional match with 300mA output current capability, exceeding the original 200mA specification. This part maintains full compatibility with the -40°C to 125°C operating temperature range, carries ROHS3 compliance, and is actively manufactured with established supply availability.

Current-Limited Substitutes (150mA): The LP3988IMF-3.0/NOPB (National Semiconductor) and TC1186-3.0VCT713 (Microchip Technology) both deliver 150mA output current. The LP3988IMF-3.0/NOPB offers superior dropout voltage performance (0.15V @ 150mA) and includes Power Good output functionality. The TC1186-3.0VCT713 maintains the full -40°C to 125°C temperature range and provides higher input voltage tolerance (6.5V).

The MAX8875EUK30+T (Analog Devices Inc./Maxim Integrated) also provides 150mA capability with low dropout voltage (0.165V @ 150mA) but operates only to 85°C maximum, limiting use in extended temperature applications.

Lower Current Alternatives: The TC1054-3.0VCT713 (50mA) and TC1055-3.0VCT713 (100mA) are suitable for applications with reduced current requirements. Both maintain the full -40°C to 125°C operating range and offer superior dropout voltage characteristics.

Compliance and Supply Status: All recommended substitutes carry RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings. All substitute parts are currently in active production status with established inventory availability.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with lower output current rating than the original 200mA specification?

A: Yes, if your application requires less than the substitute part's rated current. For example, the TC1055-3.0VCT713 (100mA) or TC1186-3.0VCT713 (150mA) are suitable for circuits drawing 100mA or 150mA respectively. Verify your circuit's actual current draw before selecting a lower-rated substitute.

Q: What is the difference between the TC1054, TC1055, and TC1186 parts?

A: These Microchip Technology regulators differ primarily in maximum output current: TC1054 delivers 50mA, TC1055 delivers 100mA, and TC1186 delivers 150mA. All three maintain identical 3V output voltage, SOT-23-5 packaging, and -40°C to 125°C operating temperature range. Dropout voltage varies with current rating.

Q: Is the MCP1824T-3002E/OT a direct replacement for the SP6201EM5-L-3-0?

A: The MCP1824T-3002E/OT is functionally compatible with superior specifications: it delivers 300mA (exceeding the original 200mA), maintains the same 3V output and SOT-23-5 package, and operates across -40°C to 125°C. It is suitable for direct substitution in applications requiring up to 300mA output current.

Q: Why does the MAX8875EUK30+T have a lower maximum operating temperature than other substitutes?

A: The MAX8875EUK30+T is specified to 85°C maximum ambient temperature, compared to 125°C for most alternatives. This limits its use in high-temperature environments. Select this part only if your application operates within the 85°C maximum specification.

Q: Are all substitute parts available in the same SOT-23-5 package?

A: Yes. All substitute parts listed use the SC-74A, SOT-753 package designation, which is the SOT-23-5 industry standard. Pin-to-pin compatibility is maintained across all substitutes, allowing direct PCB footprint compatibility.

Q: What is the significance of the LP3988IMF-3.0/NOPB's Power Good output feature?

A: The Power Good output provides a logic signal indicating when the regulated output voltage is within specification. This feature enables system-level monitoring and sequencing control. The original SP6201EM5-L-3-0 does not include this feature, so applications not requiring Power Good monitoring can use any substitute without functional impact.

Q: Can I use the TC1186-3.0VCT713 in place of the SP6201EM5-L-3-0 if my circuit draws 200mA?

A: The TC1186-3.0VCT713 is rated for 150mA maximum output current. Using it in a circuit requiring 200mA would exceed its specification and risk device damage or thermal shutdown. Select the MCP1824T-3002E/OT (300mA) or verify that your actual circuit current draw does not exceed 150mA.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts carry either RoHS or ROHS3 compliance certification, meeting environmental and hazardous substance restrictions. The original SP6201EM5-L-3-0 is RoHS Compliant; all substitutes maintain or exceed this compliance level.

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