Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-VQFN (3.5x4.5)
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LM5146RGYR

DigiKey Part Number
296-LM5146RGYRTR-ND - Tape & Reel (TR)
296-LM5146RGYRCT-ND - Cut Tape (CT)
296-LM5146RGYRDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM5146RGYR
Description
IC REG CTRLR BUCK 20VQFN
Manufacturer Standard Lead Time
20 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-VQFN (3.5x4.5)
Datasheet
 Datasheet
EDA/CAD Models
LM5146RGYR Models
Product Attributes
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Category
Frequency - Switching
100kHz ~ 1MHz
Manufacturer
Texas Instruments
Duty Cycle (Max)
99%
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Synchronous Rectifier
Yes
Part Status
Active
Clock Sync
Yes
Output Type
Transistor Driver
Control Features
Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start
Function
Step-Down
Operating Temperature
-40°C ~ 150°C (TJ)
Output Configuration
Positive
Mounting Type
Surface Mount, Wettable Flank
Topology
Buck
Package / Case
20-VFQFN Exposed Pad
Number of Outputs
1
Supplier Device Package
20-VQFN (3.5x4.5)
Output Phases
1
Base Product Number
Voltage - Supply (Vcc/Vdd)
5.5V ~ 100V
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
2,973 expected in stock on 18-Jan-2027
27 expected in stock on 22-Mar-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$4.84000$4.84
10$3.67700$36.77
25$3.38680$84.67
100$3.06810$306.81
250$2.92076$730.19
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$2.65605$7,968.15