REG103GA-AAlternatives & Equivalent Parts

About REG103GA-A

REG103GA-A is a power-management component manufactured by Texas Instruments. It comes in a SOT-23-5 package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterREG103GA-ASourceLP2985AIM5-3.3
ManufacturerTexas InstrumentsTexas Instruments
Package TypeSOT-23-5SOT23 (5-Pin)
Pin Count55
Temperature Range-40.0°C ~ 125.0°C—
Price$3.2760$0.2754
StockIn StockIn Stock
LifecycleACTIVEOBSOLETE
Electrical Parameters
Output Current500mA—
Output VoltageAdjustable—
Input Voltage2.7V to 6V—
Operating Temperature-40°C to 125°C—
PackageSOT-23-5—
TopologyLDO Linear Regulator—
Pbfree Code—Yes
Date Of Intro—1998-04-01
YTEOL—0
Adjustability—FIXED
Dropout Voltage1-Max—0.575 V
Dropout Voltage1-Nom—0.28 V
Input Voltage Absolute-Max—16 V
Input Voltage-Max—16 V
Input Voltage-Min—4.3 V
JESD-30 Code—R-PDSO-G5
JESD-609 Code—e0
Line Regulation-Max—0.0123552%
Number of Functions—1
Number of Outputs—1
Operating Temperature TJ-Max—125 °C
Operating Temperature TJ-Min—-40 °C
Output Current1-Max—0.15 A
Output Voltage1-Max—3.4155 V
Output Voltage1-Min—3.1845 V
Output Voltage1-Nom—3.3 V
Package Body Material—PLASTIC/EPOXY
Package Equivalence Code—TSOP5/6,.11,37
Package Shape—RECTANGULAR
Package Style—SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Packing Method—TR, 7 INCH
Peak Reflow Temperature (Cel)—260
Qualification Status—Not Qualified
Regulator Type—FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface Mount—YES
Technology—CMOS
Terminal Finish—Tin/Lead (Sn/Pb)
Terminal Form—GULL WING
Terminal Pitch—0.953 mm
Terminal Position—DUAL
Time@Peak Reflow Temperature-Max (s)—NOT SPECIFIED
Voltage Tolerance-Max—3.5%
## LP2985AIM5-3.3 Alternates Showing results—Image

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Quick Links

LP2985AIM5-3.3by Texas Instruments

150mA LDO in SOT-23-5, lower current but same package

Why Look for Alternatives?

Finding alternatives for REG103GA-A is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating REG103GA-A replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to REG103GA-A?

Known equivalents for REG103GA-A include LP2985AIM5-3.3. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of REG103GA-A?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify REG103GA-A alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.