Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-QFN (5x5)
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Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-QFN (5x5)
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LTC3858EUH#TRPBF

DigiKey Part Number
161-LTC3858EUH#TRPBFTR-ND - Tape & Reel (TR)
161-LTC3858EUH#TRPBFCT-ND - Cut Tape (CT)
161-LTC3858EUH#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
LTC3858EUH#TRPBF
Description
IC REG CTRLR BUCK 32QFN
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-QFN (5x5)
Datasheet
 Datasheet
EDA/CAD Models
LTC3858EUH#TRPBF Models
Product Attributes
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Category
Voltage - Supply (Vcc/Vdd)
4V ~ 38V
Manufacturer
Analog Devices Inc.
Frequency - Switching
105kHz ~ 835kHz, 350kHz ~ 535kHz
Series
Duty Cycle (Max)
99.4%
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Synchronous Rectifier
Yes
Part Status
Active
Clock Sync
No
Output Type
Transistor Driver
Control Features
Current Limit, Enable, Frequency Control, Power Good, Soft Start
Function
Step-Down
Operating Temperature
-40°C ~ 125°C (TJ)
Output Configuration
Positive
Mounting Type
Surface Mount
Topology
Buck
Package / Case
32-WFQFN Exposed Pad
Number of Outputs
2
Supplier Device Package
32-QFN (5x5)
Output Phases
2
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
2,500 estimated in stock on 18-Feb-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$12.20000$12.20
10$8.38500$83.85
25$7.39160$184.79
100$6.26880$626.88
250$5.97500$1,493.75
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$5.97500$14,937.50
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.