LT1129CST-3.3#TRPBF is out of stock and can be placed on backorder.
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Parametric Equivalent


Analog Devices Inc.
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Microchip Technology
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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

LT1129CST-3.3#TRPBF

DigiKey Part Number
LT1129CST-3.3#TRPBFTR-ND - Tape & Reel (TR)
LT1129CST-3.3#TRPBFCT-ND - Cut Tape (CT)
LT1129CST-3.3#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LT1129CST-3.3#TRPBF
Description
IC REG LIN 3.3V 700MA SOT-223-3
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 700mA SOT-223-3
Datasheet
 Datasheet
EDA/CAD Models
LT1129CST-3.3#TRPBF Models
Product Attributes
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Category
Current - Quiescent (Iq)
70 µA
Mfr
Current - Supply (Max)
90 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
PSRR
64dB (120Hz)
Part Status
Active
Control Features
Enable
Output Configuration
Protection Features
Over Temperature, Reverse Polarity
Output Type
Operating Temperature
0°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)
3.3V
Supplier Device Package
SOT-223-3
Voltage Dropout (Max)
0.7V @ 700mA
Base Product Number
Current - Output
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (14)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LT1129CST-3.3#PBFAnalog Devices Inc.0LT1129CST-3.3#PBF-ND$9.62000Parametric Equivalent
MIC2920A-3.3WSMicrochip Technology0MIC2920A-3.3WS-ND$1.78000Similar
MIC2920A-3.3WS-TRMicrochip Technology0576-1116-2-ND$1.78000Similar
MIC5200-3.3YSMicrochip Technology0576-1247-ND$1.38000Similar
MIC5200-3.3YS-TRMicrochip Technology0MIC5200-3.3YS-TR-ND$1.38000Similar
In-Stock: 0
2,000 estimated in stock on 14-Jun-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$9.62000$9.62
10$6.51800$65.18
25$5.70840$142.71
100$4.79340$479.34
250$4.35000$1,087.50
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,000$4.35000$8,700.00
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.