LT1129IST-5#TRPBF is out of stock and can be placed on backorder.
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Parametric Equivalent


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Linear Voltage Regulator IC Positive Fixed 1 Output 700mA SOT-223-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 700mA SOT-223-3
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LT1129IST-5#TRPBF

DigiKey Part Number
LT1129IST-5#TRPBFTR-ND - Tape & Reel (TR)
LT1129IST-5#TRPBFCT-ND - Cut Tape (CT)
LT1129IST-5#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LT1129IST-5#TRPBF
Description
IC REG LINEAR 5V 700MA SOT-223-3
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 700mA SOT-223-3
Datasheet
 Datasheet
EDA/CAD Models
LT1129IST-5#TRPBF Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
70 µA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Supply (Max)
90 mA
Part Status
Active
PSRR
64dB (120Hz)
Output Configuration
Protection Features
Over Temperature, Reverse Polarity
Output Type
Operating Temperature
-40°C ~ 125°C
Number of Regulators
1
Mounting Type
Surface Mount
Voltage - Input (Max)
30V
Package / Case
TO-261-4, TO-261AA
Voltage - Output (Min/Fixed)
5V
Supplier Device Package
SOT-223-3
Voltage Dropout (Max)
0.7V @ 700mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (18)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LT1129IST-5#PBFAnalog Devices Inc.156LT1129IST-5#PBF-ND$11.48000Parametric Equivalent
MIC5209-5.0YS-TRMicrochip Technology34,431MIC5209-5.0YS-TR-ND$1.61000Similar
MIC2920A-5.0WS-TRMicrochip Technology6,316576-1117-2-ND$1.78000Similar
MIC5209-5.0YSMicrochip Technology5,945576-1276-ND$1.61000Similar
MIC2954-03WS-TRMicrochip Technology5,034576-1154-2-ND$2.16000Similar
In-Stock: 0
1,950 expected in stock on 06-Nov-2026
50 expected in stock on 09-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$11.48000$11.48
10$8.98800$89.88
25$8.36600$209.15
100$7.68170$768.17
250$7.60408$1,901.02
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,000$6.86392$13,727.84
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.