NCP1117ST25T3G vs TLV1117LV25DCYR: replacement comparison
Start with the best mapped replacement options for NCP1117ST25T3G, including pin-to-pin, functional, and cross-reference alternatives. Review the overview and core specifications, then submit an RFQ when the fit looks right.
Footprint- and pin-function-compatible P2P replacement for the onsemi NCP1117ST25T3G (2.5 V fixed, 1.0 A LDO, SOT-223). Same SOT-223 pinout (pin 1=Adj/GND, pin 2=Vout, pin 3=Vin, tab=Vin). TLV1117LV drops 455 mV at 1.0 A versus 1.2 V for NCP1117, and quiescent current is 100 uA versus 5 mA. onsemi published 1Q2021 PDN for the NCP1117 family with Last Time Buy 2024-10-08 and Last Ship Date 2025-04-08. TLV1117LV is the recommended P2P migration target per TI cross-reference documentation.
TLV1117LV25DCYR is mapped as a possible replacement for NCP1117ST25T3G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Texas Instruments
Package
SOT-223
Series
TLV1117LV
Category
Integrated Circuits (ICs)
Stock
181,296
Available
80,761
Min Order
1
Datasheet
Available
Key Attributes: -
Matches
✓Package: SOT223
✓Category: Integrated Circuits (ICs)
✓Subcategory: PMIC - Voltage Regulators - Linear
✓ECCN: EAR99
Differences
•Lifecycle Status: ACTIVE (Last Updated: 3 days ago) vs Active
•Manufacturer: ON Semiconductor vs Texas Instruments
•Package / Case: TO-261-4, TO-261AA vs SOT-223 (DCY suffix)
•Operating Temperature: 0°C~125°C vs -40 C to +125 C
Must verify
→Confirm the complete pinout; a mapped pin-to-pin relationship is not final approval.
→Check electrical limits and test conditions in both manufacturer datasheets.
→Confirm qualification, compliance, and internal approval requirements.
Footprint- and pin-function-compatible P2P replacement for onsemi NCP1117ST25T3G. AP1117E25G-13 is the SOT-223 fixed 2.5 V AP1117 family member aligned to the live exact-MPN naming pattern already used for sibling Diodes parts, and it belongs in direct 1117-family replacement comparisons.
AP1117E25G-13 is mapped as a possible replacement for NCP1117ST25T3G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Diodes Incorporated
Package
SOT223
Series
AP1117
Category
Integrated Circuits (ICs)
Stock
192,342
Available
90,590
Min Order
1
Datasheet
Available
Key Attributes: -
Matches
✓Package: SOT223
✓Category: Integrated Circuits (ICs)
✓Subcategory: PMIC - Voltage Regulators - Linear
✓Mounting Type: Surface Mount
Differences
•Lifecycle Status: ACTIVE (Last Updated: 3 days ago) vs NRND / legacy family; confirm latest PCN before new design use
•Manufacturer: ON Semiconductor vs Diodes Incorporated
•Package / Case: TO-261-4, TO-261AA vs TO-261-4, TO-261AA (SOT-223-3, E suffix)
•Operating Temperature: 0°C~125°C vs 0 C to +125 C
Must verify
→Confirm the complete pinout; a mapped pin-to-pin relationship is not final approval.
→Check electrical limits and test conditions in both manufacturer datasheets.
→Confirm qualification, compliance, and internal approval requirements.
Footprint- and pin-function-compatible P2P replacement for onsemi NCP1117ST25T3G. AMS1117-2.5 keeps the standard 1117 SOT-223 pinout and remains a valid family-level second-source option for 2.5 V, 1.0 A LDO continuity reviews.
AMS1117-2.5 is mapped as a possible replacement for NCP1117ST25T3G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Advanced Monolithic Systems
Package
SOT223
Series
AMS1117
Category
Integrated Circuits (ICs)
Stock
128,984
Available
97,091
Min Order
1
Datasheet
Available
Key Attributes: -
Matches
✓Package: SOT223
✓Category: Integrated Circuits (ICs)
✓Subcategory: PMIC - Voltage Regulators - Linear
✓Mounting Type: Surface Mount
Differences
•Lifecycle Status: ACTIVE (Last Updated: 3 days ago) vs Active
•Manufacturer: ON Semiconductor vs Advanced Monolithic Systems
•Package / Case: TO-261-4, TO-261AA vs SOT-223
•Operating Temperature: 0°C~125°C vs 0 C to +125 C
Must verify
→Confirm the complete pinout; a mapped pin-to-pin relationship is not final approval.
→Check electrical limits and test conditions in both manufacturer datasheets.
→Confirm qualification, compliance, and internal approval requirements.
Functional enhanced alternative to the obsolete onsemi NCP1117ST25T3G. AZ1117H-2.5TRE1 is the exact Diodes SOT-223 orderable code for the 2.5 V AZ1117 family member, with ±1% tolerance and -40 C to +125 C operating range. It keeps the standard 1117 pinout and belongs in direct replacement reviews where tighter tolerance and industrial-temperature coverage are desired.
AZ1117H-2.5TRE1 is mapped as a possible replacement for NCP1117ST25T3G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Diodes Incorporated
Package
SOT223
Series
AZ1117
Category
Integrated Circuits (ICs)
Stock
198,707
Available
74,904
Min Order
1
Datasheet
Available
Key Attributes: -
Matches
✓Package: SOT223
✓Category: Integrated Circuits (ICs)
✓Subcategory: PMIC - Voltage Regulators - Linear
✓Mounting Type: Surface Mount
Differences
•Lifecycle Status: ACTIVE (Last Updated: 3 days ago) vs NRND / family in phased-out state; confirm current PCN before new design use
•Manufacturer: ON Semiconductor vs Diodes Incorporated
•Package / Case: TO-261-4, TO-261AA vs SOT-223 (H suffix)
•Operating Temperature: 0°C~125°C vs -40 C to +125 C
Must verify
→Confirm functional behavior and application-level compatibility.
→Check electrical limits and test conditions in both manufacturer datasheets.
→Confirm qualification, compliance, and internal approval requirements.
Current live pairing is not a normal replacement path. MIC29150-12WU is a 12 V, 1.5 A TO-263 regulator, while NCP1117ST25T3G is a 2.5 V, 1.0 A SOT-223 1117-family regulator. This can only be kept as a redesign-level similar reference, not as a functional alternative.
MIC29150-12WU is mapped as a possible replacement for NCP1117ST25T3G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Microchip Technology
Package
TO-263-3
Series
MIC29150
Category
Integrated Circuits (ICs)
Stock
116,245
Available
92,763
Min Order
1
Datasheet
Available
Key Attributes: -
Matches
✓Category: Integrated Circuits (ICs)
✓Subcategory: PMIC - Voltage Regulators - Linear
Differences
•Package: SOT223 vs TO-263-3
•Lifecycle Status: ACTIVE (Last Updated: 3 days ago) vs Active
•Mounting Type: Surface Mount vs Surface Mount (D2PAK equivalent)
•Manufacturer: ON Semiconductor vs Microchip Technology
Must verify
→Confirm package dimensions, footprint, and mounting details.
→Confirm functional behavior and application-level compatibility.
→Check electrical limits and test conditions in both manufacturer datasheets.
→Confirm qualification, compliance, and internal approval requirements.
Specification view
Parameter Comparison Chart
A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.
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The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
1.0 A low-dropout positive fixed 2.5 V voltage regulator, SOT-223. Footprint and pin-function compatible with onsemi NCP1117ST25T3G.
1.0 A low-dropout fixed 2.5 V linear regulator, SOT-223-3, exact AP1117 SOT-223 naming aligned to live catalog family pattern.
1.0 A low-dropout fixed 2.5 V linear regulator, SOT-223 package, AMS1117 family reference.
1.0 A low-dropout fixed 2.5 V linear regulator, SOT-223, exact Diodes orderable part.
1.5 A high-current low-dropout voltage regulator, fixed 12 V, TO-263 package.
Lifecycle
LTB
-
-
-
-
-
Stock
117,784
181,296
192,342
128,984
198,707
116,245
Available
94,816
80,761
90,590
97,091
74,904
92,763
Min Order
1
1
1
1
1
1
Datasheet
Available
Available
Available
Available
Available
Available
Part Status
Active
-
-
-
-
-
REACH Status
REACH Unaffected
-
-
-
-
-
ECCN
EAR99
EAR99
-
-
-
-
Lead Free
Lead Free
-
-
-
-
-
Lifecycle Status
ACTIVE (Last Updated: 3 days ago)
Active
NRND / legacy family; confirm latest PCN before new design use
Active
NRND / family in phased-out state; confirm current PCN before new design use
Active
Mounting Type
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount (D2PAK equivalent)
Factory Lead Time
4 Weeks
-
-
-
-
-
Packaging
Tape & Reel (TR)
-
-
-
-
-
Published
2010
-
-
-
-
-
Halogen Free
Halogen Free
-
-
-
-
-
Categories
Integrated Circuits (ICs)
-
-
-
-
-
Terminal Position
DUAL
-
-
-
-
-
Peak Reflow Temperature (Cel)
260
-
-
-
-
-
Terminal Form
GULL WING
-
-
-
-
-
Packing Method
TAPE AND REEL
-
-
-
-
-
Manufacturer
ON Semiconductor
Texas Instruments
Diodes Incorporated
Advanced Monolithic Systems
Diodes Incorporated
Microchip Technology
Package / Case
TO-261-4, TO-261AA
SOT-223 (DCY suffix)
TO-261-4, TO-261AA (SOT-223-3, E suffix)
SOT-223
SOT-223 (H suffix)
TO-263-3 (WU suffix, 3-pin tab)
Subcategory
Other Regulators
-
-
-
-
-
Sub-Categories
PMIC - Voltage Regulators - Linear
-
-
-
-
-
Output Type
Fixed
-
-
-
-
-
Operating Temperature
0°C~125°C
-40 C to +125 C
0 C to +125 C
0 C to +125 C
-40 C to +125 C
-40 C to +125 C
Reference Voltage
1.25V
-
-
-
-
-
Voltage Tolerance-Max
2%
-
-
-
-
-
Number of Functions
1
-
-
-
-
-
Contact Plating
Tin
-
-
-
-
-
Radiation Hardening
No
-
-
-
-
-
Reflow Temperature-Max (s)
40
-
-
-
-
-
Mount
Surface Mount
-
-
-
-
-
Pbfree Code
yes
-
-
-
-
-
Technology
BIPOLAR
-
-
-
-
-
Max Output Current
1A
-
-
-
-
-
Number of Outputs
1
-
-
-
-
-
Number of Terminations
4
-
-
-
-
-
Min Output Voltage
2.5V
-
-
-
-
-
Width
3.7mm
-
-
-
-
-
Length
6.7mm
-
-
-
-
-
Number of Pins
4
-
-
-
-
-
Pin Count
4
3+tab
3+tab
3+tab
3+tab
3+tab
Quiescent Current
10mA
100 uA (typical)
5 mA (typical)
5 mA (typical)
5 mA (typical)
12 mA (typical)
Terminal Pitch
2.3mm
-
-
-
-
-
Output Voltage
2.5V
2.5 V
2.5 V
2.5 V
2.5 V
12 V
Manufacturer's Part No.
NCP1117ST25T3G
-
-
-
-
-
Base Part Number
NCP1117ST25
-
-
-
-
-
Input Bias Current
5.2mA
-
-
-
-
-
Min Input Voltage
15V
-
-
-
-
-
Height
1.69mm
-
-
-
-
-
Voltage Dropout (Max)
1.2V @ 800mA
-
-
-
-
-
Output Configuration
Positive
-
-
-
-
-
Output Voltage Accuracy
1 %
-
-
-
-
-
Dropout Voltage1-Nom
1.07V
-
-
-
-
-
Protection Features
Over Current, Over Temperature
-
-
-
-
-
Voltage - Input (Max)
20V
-
-
-
-
-
Min Current Limit
1A
-
-
-
-
-
Accuracy
1 %
-
-
-
-
-
Number of Regulators
1
-
-
-
-
-
Dropout Voltage
1.07V
-
-
-
-
-
PSRR
68dB (120Hz)
-
-
-
-
-
Output Voltage 1
2.5V
-
-
-
-
-
Nominal Output Voltage
2.5V
-
-
-
-
-
JESD-609 Code
e3
-
-
-
-
-
Moisture Sensitivity Level (MSL)
1 (Unlimited)
-
-
-
-
-
RoHS Status
RoHS non-compliant
RoHS Compliant
-
-
-
-
REACH SVHC
No SVHC
-
-
-
-
-
HTSUS
8542.39.0001
8542.39.0001
-
-
-
-
ECCN Code
EAR99
-
-
-
-
-
Output Current
-
1.0 A
1.0 A
1.0 A
1.0 A
1.5 A
Input Voltage (Max)
-
6 V
18 V
15 V
15 V
26 V
Output Tolerance
-
±1.5%
±2%
±1.5%
±1%
±1%
Part Number
-
TLV1117LV25DCYR
AP1117E25G-13
AMS1117-2.5
AZ1117H-2.5TRE1
MIC29150-12WU
Regulator Type
-
LDO, Fixed
LDO, Fixed
LDO, Fixed
LDO, Fixed
LDO, Fixed
Dropout Voltage (max)
-
455 mV @ 1.0 A
1.4 V at full load
1.3 V at 1.0 A
1.25 V at 1.0 A
625 mV at 1.5 A
Actions
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing NCP1117ST25T3G replacement and equivalent-part options.
What is a cross-reference page for NCP1117ST25T3G?
This page groups mapped replacement options for NCP1117ST25T3G so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Does a mapped alternative mean a guaranteed drop-in replacement for NCP1117ST25T3G?
Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.
Which parameters should teams compare first for NCP1117ST25T3G alternatives?
Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.
Can I request a quote for an alternative to NCP1117ST25T3G?
Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.
Is NCP1117ST25T3G obsolete, and what replacement should buyers review first?
Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is TLV1117LV25DCYR, followed by the other alternatives shown in the comparison table.
Is TLV1117LV25DCYR a replacement for NCP1117ST25T3G?
TLV1117LV25DCYR is mapped as a P2P option for NCP1117ST25T3G, not as an automatically approved drop-in replacement. Compare package, pinout, electrical limits, lifecycle, and qualification requirements before release.
Engineering support
Need help validating the replacement path?
If your team is unsure whether a mapped alternative to NCP1117ST25T3G from ON Semiconductor is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.
Contact a hardware engineer
Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.
developer_board
Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
tune
Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
task_alt
Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.
