TC1017-3.0VCTTR Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The TC1017-3.0VCTTR is a linear voltage regulator IC manufactured by Microchip Technology, designed to deliver a fixed 3V output at 150mA in a compact SOT-23-5 surface mount package. This device is classified as a Power Management PMIC with active product status and is widely used in battery-powered and low-power applications requiring stable voltage regulation.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design optimization calls for improved electrical characteristics such as lower dropout voltage or reduced quiescent current.

Key Parameters

Parameter	TC1017-3.0VCTTR
Manufacturer	Microchip Technology
Output Voltage (Fixed)	3V
Output Current	150mA
Input Voltage (Max)	6V
Dropout Voltage @ 150mA	0.5V
Quiescent Current	90 µA
Package Type	SOT-23-5 (SC-74A)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C to 125°C
RoHS Status	RoHS non-compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the TC1017-3.0VCTTR are qualified based on the following electrical and mechanical parameters:

Core Compatibility Criteria:

Fixed output voltage of 3V
Output current rating of 150mA or higher
Maximum input voltage of 5.5V or greater
SOT-23-5 package format (SC-74A, SOT-753, or TSOT-23-5 variants)
Surface mount technology
Operating temperature range encompassing -40°C to 125°C
Enable control feature
Over current and over temperature protection

Substitution Categories:

MFR Recommended Substitutes (Direct replacements with improved specifications):

MIC5317-3.0YD5-TR (TSOT-23-5 packaging variant)
MIC5317-3.0YM5-TR (SOT-23-5 packaging, ROHS3 compliant)
S-1333D30-M5T1U3 (300mA output capability, ROHS3 compliant)
TPS70630DBVT (Texas Instruments alternative, ROHS3 compliant)

Parametric Equivalents (Functionally equivalent with comparable electrical performance):

TC2185-3.0VCTTR (Microchip alternative with lower dropout voltage)
LD3985M30R (STMicroelectronics alternative, ROHS3 compliant)

Parameter Comparison

Part Number	Manufacturer	Output Voltage	Output Current	Input Voltage (Max)	Dropout Voltage @ 150mA	Quiescent Current	Package	RoHS Status	Inventory
TC1017-3.0VCTTR	Microchip	3V	150mA	6V	0.5V	90 µA	SOT-23-5	Non-compliant	23,400 pcs
MIC5317-3.0YD5-TR	Microchip	3V	150mA	6V	0.31V	39 µA	TSOT-23-5	ROHS3	6,608 pcs
MIC5317-3.0YM5-TR	Microchip	3V	150mA	6V	0.31V	39 µA	SOT-23-5	ROHS3	3,650 pcs
TC2185-3.0VCTTR	Microchip	3V	150mA	6V	0.21V	80 µA	SOT-23-5	ROHS3	8,415 pcs
S-1333D30-M5T1U3	ABLIC Inc.	3V	300mA	5.5V	0.28V @ 100mA	1 µA	SOT-23-5	ROHS3	3,357 pcs
TPS70630DBVT	Texas Instruments	3V	150mA	6.5V	1.54V	2.55 µA	SOT-23-5	ROHS3	3,500 pcs
LD3985M30R	STMicroelectronics	3V	150mA	6V	0.1V	150 µA	SOT-23-5	ROHS3	16,174 pcs

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Performance): Select TC2185-3.0VCTTR when seeking a Microchip alternative with improved dropout voltage performance (0.21V vs. 0.5V) while maintaining SOT-23-5 packaging and ROHS3 compliance. This part is suitable for applications where lower input voltage headroom is available.

For Enhanced Performance (Lower Quiescent Current): Select MIC5317-3.0YM5-TR or MIC5317-3.0YD5-TR for applications requiring reduced power consumption. Both deliver 0.31V dropout voltage and 39 µA quiescent current, representing significant improvements over the TC1017-3.0VCTTR. MIC5317-3.0YM5-TR maintains standard SOT-23-5 packaging; MIC5317-3.0YD5-TR uses TSOT-23-5 (thin variant).

For Higher Output Current Capability: Select S-1333D30-M5T1U3 when application requirements exceed 150mA. This part delivers 300mA output current with ultra-low 1 µA quiescent current, though maximum input voltage is limited to 5.5V.

For Lowest Dropout Voltage: Select LD3985M30R when minimum voltage drop is critical. This STMicroelectronics part achieves 0.1V dropout voltage at 150mA, enabling operation with tighter input voltage margins.

For Extended Input Voltage Range: Select TPS70630DBVT when input voltage may reach 6.5V. This Texas Instruments part accommodates the highest maximum input voltage among available substitutes, though dropout voltage is higher at 1.54V.

For RoHS3 Compliance: All substitute parts listed carry ROHS3 compliance certification. The original TC1017-3.0VCTTR is RoHS non-compliant and should be replaced with any listed substitute when RoHS3 compliance is required.

Frequently Asked Questions (FAQ)

Q: Can MIC5317-3.0YD5-TR replace TC1017-3.0VCTTR directly on the PCB?

A: MIC5317-3.0YD5-TR uses TSOT-23-5 packaging (thin variant) while TC1017-3.0VCTTR uses standard SOT-23-5. Pin configurations are identical, but the thin package has reduced height. Verify PCB footprint clearance and solder reflow profile compatibility before substitution. For guaranteed mechanical compatibility, use MIC5317-3.0YM5-TR instead, which uses standard SOT-23-5 packaging.

Q: What is the key difference between MIC5317-3.0YD5-TR and MIC5317-3.0YM5-TR?

A: Both parts are electrically identical with 0.31V dropout voltage and 39 µA quiescent current. The difference is packaging: MIC5317-3.0YD5-TR is supplied in Tape & Reel format with TSOT-23-5 (thin) package; MIC5317-3.0YM5-TR is supplied in Tape & Reel format with standard SOT-23-5 package. Select based on your manufacturing process and PCB design requirements.

Q: Why does S-1333D30-M5T1U3 have a lower maximum input voltage (5.5V vs. 6V)?

A: The S-1333D30-M5T1U3 is designed with a lower absolute maximum input voltage rating of 5.5V. This part is suitable only for applications where input voltage remains below 5.5V. Do not use this substitute if your circuit may deliver input voltages between 5.5V and 6V.

Q: Is TPS70630DBVT suitable for battery-powered applications?

A: TPS70630DBVT has significantly higher dropout voltage (1.54V) compared to TC1017-3.0VCTTR (0.5V). In battery-powered designs where input voltage approaches the 3V output requirement, this higher dropout voltage may prevent proper regulation. Verify that your input voltage margin accommodates 1.54V dropout before selecting this part.

Q: Which substitute offers the best overall performance improvement?

A: MIC5317-3.0YM5-TR provides the most balanced performance improvement: 0.31V dropout voltage (vs. 0.5V), 39 µA quiescent current (vs. 90 µA), standard SOT-23-5 packaging, and ROHS3 compliance. This part is the primary recommended substitute for most applications.

Q: Can I use LD3985M30R in a design originally specified for TC1017-3.0VCTTR?

A: LD3985M30R is electrically compatible with identical 3V output, 150mA current rating, and 6V maximum input voltage. The 0.1V dropout voltage is superior to TC1017-3.0VCTTR. However, quiescent current is higher at 150 µA (vs. 90 µA). This trade-off is acceptable in most applications; verify power consumption requirements before substitution.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use SOT-23-5 or TSOT-23-5 surface mount packages with identical pin configurations. However, packaging format (Cut Tape vs. Tape & Reel) and supplier device package designations vary. Verify your manufacturing process requirements and component supplier specifications before ordering.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message