RP112Q282D-TR-FE Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The RP112Q282D-TR-FE is a linear voltage regulator IC manufactured by Nisshinbo Micro Devices Inc., classified as a Power Management (PMIC) component. This device functions as a positive fixed output voltage regulator delivering 2.8V at 150mA output current in a surface mount SC-88A package. The part is currently in active production status with 1083 pieces available in new original inventory.

Substitute parts are identified when component availability becomes limited, supply chain disruptions occur, or inventory requirements necessitate alternative sourcing from the same manufacturer's product line. The RP110Q282D-TR-FE serves as a parametric equivalent within Nisshinbo's regulator portfolio, maintaining functional compatibility while offering different electrical characteristics in specific parameters.

Substiute Parts

RP112Q282D-TR-FE

Nisshinbo Micro Devices Inc.In Stock: 1117RP112Q282D-TR-FE Datasheet

Current PartRFQ

RP110Q282D-TR-FE

Nisshinbo Micro Devices Inc.In Stock: 2199RP110Q282D-TR-FE Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RP112Q282D-TR-FE is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Output voltage (fixed): 2.8V
• Output current capability: 150mA
• Maximum input voltage: 5.25V
• Package type: 5-TSSOP, SC-70-5, SOT-353 (SC-88A supplier package)
• Mounting type: Surface Mount
• Operating temperature range: -40°C to 85°C
• Output configuration: Positive
• Output type: Fixed
• Number of regulators: 1
• Control features: Enable function
• Protection features: Over Current protection

Variable Parameters (Allowed to Differ):

• Voltage dropout specification
• Quiescent current (Iq)
• PSRR (Power Supply Rejection Ratio)
• Series designation (RP112x vs. RP110x)
• RoHS certification version
• Inventory availability

The RP110Q282D-TR-FE qualifies as a substitute because it maintains all mandatory parameters while differing only in allowed variable parameters. Both parts are manufactured by Nisshinbo Micro Devices Inc. and share identical functional output specifications.

Parameter Comparison

Engineering Selection Recommendations

RP112Q282D-TR-FE Selection Criteria:

• Primary choice when lower voltage dropout is required (0.28V vs. 0.4V)
• Applications requiring higher power supply rejection ratio (PSRR specified at 80dB ~ 65dB)
• Designs where quiescent current specification of 100 µA is acceptable
• Current inventory availability: 1083 pieces

RP110Q282D-TR-FE Selection Criteria:

• Alternative when RP112Q282D-TR-FE inventory is unavailable
• Applications where lower quiescent current (2 µA) provides system-level power savings
• Designs tolerant of higher voltage dropout (0.4V @ 150mA)
• Current inventory availability: 2129 pieces
• ROHS3 compliance certification

Both parts maintain active product status with Nisshinbo Micro Devices Inc. and are RoHS compliant. Selection between these parts depends on specific application requirements regarding dropout voltage and quiescent current characteristics, as both deliver identical output voltage and current specifications in the same package configuration.

Frequently Asked Questions (FAQ)

Q: Can RP110Q282D-TR-FE directly replace RP112Q282D-TR-FE in existing designs?

A: Direct replacement is possible when the application tolerates the higher voltage dropout (0.4V vs. 0.28V) and lower quiescent current (2 µA vs. 100 µA). Both parts deliver identical 2.8V output at 150mA in the same SC-88A package. Verify that your circuit design does not depend on the PSRR specification, which is not provided for the RP110Q282D-TR-FE.

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

A: The RP112Q282D-TR-FE features lower voltage dropout (0.28V) and specified PSRR performance (80dB ~ 65dB), while the RP110Q282D-TR-FE offers significantly lower quiescent current (2 µA vs. 100 µA). Both maintain identical output voltage, output current, input voltage limits, and operating temperature range.

Q: Are the packages physically identical?

A: Yes. Both parts use the 5-TSSOP, SC-70-5, SOT-353 package configuration supplied as SC-88A. PCB footprints and mounting procedures are identical.

Q: Which part should I select for low-power battery-operated applications?

A: The RP110Q282D-TR-FE is preferable for battery-powered designs due to its 2 µA quiescent current, which significantly reduces standby power consumption compared to the RP112Q282D-TR-FE at 100 µA.

Q: Are both parts RoHS compliant?

A: Yes. The RP112Q282D-TR-FE carries RoHS Compliant certification, while the RP110Q282D-TR-FE carries ROHS3 Compliant certification. Both meet RoHS requirements.

Q: What is the significance of the voltage dropout difference?

A: Voltage dropout determines the minimum headroom required between input and output voltages for proper regulation. The RP112Q282D-TR-FE requires 0.28V minimum headroom at 150mA, while the RP110Q282D-TR-FE requires 0.4V. Applications with tight input voltage margins may require the lower dropout RP112Q282D-TR-FE.

Q: Can I use these parts interchangeably in production?

A: Interchangeability depends on design specifications. If your design explicitly requires the PSRR performance or lower dropout voltage of the RP112Q282D-TR-FE, substitution with RP110Q282D-TR-FE is not appropriate. If your design only specifies 2.8V output at 150mA with the stated package and temperature range, substitution is permissible.