LMR51420XFDDCR is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Texas Instruments
In Stock: 5,567
Unit Price: $1.49000
Datasheet
Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 2A SOT-23-6 Thin, TSOT-23-6
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LMR51420XFDDCR

DigiKey Part Number
296-LMR51420XFDDCRTR-ND - Tape & Reel (TR)
296-LMR51420XFDDCRCT-ND - Cut Tape (CT)
296-LMR51420XFDDCRDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LMR51420XFDDCR
Description
IC REG BUCK ADJ 2A SOT23
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 2A SOT-23-6 Thin, TSOT-23-6
Datasheet
 Datasheet
EDA/CAD Models
LMR51420XFDDCR Models
Product Attributes
Filter Similar Products
Category
Voltage - Input (Max)
36V
Mfr
Voltage - Output (Min/Fixed)
Series
Voltage - Output (Max)
34.2V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Output
Part Status
Active
Frequency - Switching
500kHz
Function
Step-Down
Synchronous Rectifier
Yes
Output Configuration
Positive
Operating Temperature
-40°C ~ 150°C (TJ)
Topology
Mounting Type
Surface Mount
Output Type
Package / Case
Number of Outputs
1
Supplier Device Package
SOT-23-THIN
Voltage - Input (Min)
4.5V
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LMR51420XDDCRTexas Instruments5,567296-LMR51420XDDCRTR-ND$1.49000Parametric Equivalent
In-Stock: 0
3,000 expected in stock on 24-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.49000$1.49
10$1.08800$10.88
25$0.98720$24.68
100$0.87580$87.58
250$0.82280$205.70
500$0.79080$395.40
1,000$0.78183$781.83
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.73197$2,195.91
6,000$0.71605$4,296.30
9,000$0.70808$6,372.72