Buck, SEPIC Switching Regulator IC Positive Adjustable 1.21V 1 Output 4.5A (Switch) 8-SOIC (0.154", 3.90mm Width)
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Buck, SEPIC Switching Regulator IC Positive Adjustable 1.21V 1 Output 4.5A (Switch) 8-SOIC (0.154", 3.90mm Width)
Introducing Power by Linear

LT1959IS8#TRPBF

DigiKey Part Number
505-LT1959IS8#TRPBFTR-ND - Tape & Reel (TR)
505-LT1959IS8#TRPBFCT-ND - Cut Tape (CT)
505-LT1959IS8#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LT1959IS8#TRPBF
Description
IC REG BUCK SEPIC ADJ 4.5A 8SO
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck, SEPIC Switching Regulator IC Positive Adjustable 1.21V 1 Output 4.5A (Switch) 8-SOIC (0.154", 3.90mm Width)
Datasheet
 Datasheet
EDA/CAD Models
LT1959IS8#TRPBF Models
Product Attributes
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Category
Voltage - Output (Min/Fixed)
Mfr
Voltage - Output (Max)
12.9V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Output
Part Status
Active
Frequency - Switching
500kHz
Function
Step-Down
Synchronous Rectifier
No
Output Configuration
Positive
Operating Temperature
-40°C ~ 125°C (TJ)
Topology
Mounting Type
Surface Mount
Output Type
Package / Case
Number of Outputs
1
Supplier Device Package
8-SO
Voltage - Input (Min)
4.3V
Base Product Number
Voltage - Input (Max)
15V
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
2,500 estimated in stock on 21-Dec-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$15.00000$15.00
10$10.45200$104.52
25$9.26640$231.66
100$7.92630$792.63
250$7.86248$1,965.62
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$7.86250$19,656.25
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