TS9011SCY Equivalent & Substitute Parts

Part Overview

The TS9011SCY is a linear voltage regulator IC manufactured by Taiwan Semiconductor Corporation, designed for positive fixed 3.3V output applications with 250mA current capacity. This Surface Mount device operates in the Power Management (PMIC) category and is classified as Active product status. The TS9011SCY is packaged in SOT-89 (TO-243AA) configuration and is suitable for applications requiring low quiescent current operation.

Equivalent and substitute parts are identified when alternative manufacturers offer linear voltage regulators with matching or superior electrical and mechanical specifications, enabling direct replacement in circuit designs while maintaining functional performance and compliance requirements.

Key Parameters

Parameter	Value	Unit
Output Voltage (Fixed)	3.3V	V
Output Current	250	mA
Input Voltage (Maximum)	12	V
Voltage Dropout (Maximum)	0.65	V @ 200mA
Quiescent Current	5	µA
Package Type	SOT-89 (TO-243AA)	—
Operating Temperature Range	-40 to 85	°C
Protection Features	Over Current, Over Temperature	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the TS9011SCY linear voltage regulator are identified based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Output voltage fixed at 3.3V
Output current capacity of 250mA
Package configuration: SOT-89 (TO-243AA) Surface Mount
Positive output configuration with single regulator
Protection features including Over Current and Over Temperature

Substitution Logic: The MCP1700T-3302E/MB and MCP1702T-3302E/MB from Microchip Technology meet the core electrical and mechanical requirements for direct substitution. Both devices deliver 3.3V fixed output at 250mA in identical SOT-89-3 packaging. Electrical parameters including output voltage, current capacity, and protection features align with or exceed the TS9011SCY specifications. Compliance certifications (ROHS3, REACH Unaffected, EAR99) match the original part, ensuring regulatory compatibility.

Parameter Comparison

Parameter	TS9011SCY	MCP1700T-3302E/MB	MCP1702T-3302E/MB
Manufacturer	Taiwan Semiconductor	Microchip Technology	Microchip Technology
Output Voltage	3.3V	3.3V	3.3V
Output Current	250mA	250mA	250mA
Input Voltage (Max)	12V	6V	13.2V
Voltage Dropout (Max)	0.65V @ 200mA	0.35V @ 250mA	0.725V @ 250mA
Quiescent Current	5µA	4µA	5µA
PSRR	30dB (100kHz)	44dB (100Hz)	44dB (100Hz)
Package	SOT-89 (TO-243AA)	SOT-89-3 (TO-243AA)	SOT-89-3 (TO-243AA)
Operating Temperature	-40 to 85°C	-40 to 125°C	-40 to 125°C
Protection Features	Over Current, Over Temperature	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

MCP1700T-3302E/MB Selection: This substitute is suitable for applications where input voltage does not exceed 6V. The device offers superior voltage dropout performance (0.35V @ 250mA) compared to the TS9011SCY, resulting in lower power dissipation in low-voltage input scenarios. Extended operating temperature range (-40 to 125°C) provides broader thermal margin. Packaging format (Cut Tape & Digi-Reel) differs from the original part's Tape & Reel configuration. ROHS3 compliance and REACH Unaffected status maintain regulatory alignment.

MCP1702T-3302E/MB Selection: This substitute accommodates higher input voltages up to 13.2V, exceeding the TS9011SCY maximum of 12V. Voltage dropout specification (0.725V @ 250mA) is marginally higher than the original part. Extended operating temperature range (-40 to 125°C) and identical quiescent current (5µA) provide functional equivalence. Tape & Reel packaging matches the original part's configuration. ROHS3 compliance and REACH Unaffected status ensure regulatory compatibility. This option is preferred when input voltage may approach or exceed 12V.

Both substitute parts include Short Circuit protection, which exceeds the original part's protection feature set. All three devices maintain identical output voltage and current specifications with matching compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can MCP1700T-3302E/MB directly replace TS9011SCY in all applications?

A: Direct replacement is valid only when the circuit input voltage remains below 6V. The MCP1700T-3302E/MB is rated for maximum 6V input, while the TS9011SCY supports up to 12V. Verify input voltage specifications before substitution.

Q: What is the difference between MCP1700T-3302E/MB and MCP1702T-3302E/MB?

A: The primary difference is maximum input voltage rating. MCP1700T-3302E/MB supports 6V maximum input, while MCP1702T-3302E/MB supports 13.2V maximum input. Both deliver identical 3.3V output at 250mA. Select based on your circuit's input voltage requirements.

Q: Are the packaging formats interchangeable?

A: All three parts use SOT-89 (TO-243AA) package configuration, ensuring mechanical and pin compatibility. However, TS9011SCY is supplied in Tape & Reel format, MCP1700T-3302E/MB in Cut Tape & Digi-Reel format, and MCP1702T-3302E/MB in Tape & Reel format. Verify packaging availability with your supplier.

Q: Do the substitute parts meet the same compliance requirements?

A: Yes. Both MCP1700T-3302E/MB and MCP1702T-3302E/MB are ROHS3 Compliant and REACH Unaffected, matching the TS9011SCY compliance status. ECCN and HTSUS classifications are identical across all three parts.

Q: What is the advantage of lower voltage dropout in MCP1700T-3302E/MB?

A: Lower voltage dropout (0.35V @ 250mA versus 0.65V @ 200mA) reduces power dissipation and heat generation, particularly beneficial in battery-powered or thermally constrained applications. This advantage applies only when input voltage remains within the 6V maximum specification.

Q: Can I use these substitutes in high-temperature environments?

A: Both Microchip substitutes support extended operating temperature range (-40 to 125°C) compared to the TS9011SCY (-40 to 85°C). This provides additional thermal margin for applications requiring operation above 85°C.

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