Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-QFN (3x4)
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Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-QFN (3x4)
Introducing Power by Linear

LTC3891IUDC#TRPBF

DigiKey Part Number
LTC3891IUDC#TRPBFTR-ND - Tape & Reel (TR)
LTC3891IUDC#TRPBFCT-ND - Cut Tape (CT)
LTC3891IUDC#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LTC3891IUDC#TRPBF
Description
IC REG CTRLR BUCK 20QFN
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-QFN (3x4)
Datasheet
 Datasheet
EDA/CAD Models
LTC3891IUDC#TRPBF Models
Product Attributes
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Category
Frequency - Switching
105kHz ~ 835kHz, 350kHz ~ 535kHz
Manufacturer
Analog Devices Inc.
Duty Cycle (Max)
99%
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, Tracking
Function
Step-Down
Operating Temperature
-40°C ~ 125°C (TJ)
Output Configuration
Positive
Mounting Type
Surface Mount
Topology
Buck
Package / Case
20-WFQFN Exposed Pad
Number of Outputs
1
Supplier Device Package
20-QFN (3x4)
Output Phases
1
Base Product Number
Voltage - Supply (Vcc/Vdd)
4V ~ 60V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 3.467
Check for Additional Incoming Stock
All prices are in DKK
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1kr.79.25000kr.79.25
10kr.62.24600kr.622.46
25kr.57.99080kr.1,449.77
100kr.53.31560kr.5,331.56
250kr.52.96308kr.13,240.77
* All Digi-Reel orders will add a kr.47.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2.500kr.47.46946kr.118,673.65
Manufacturers Standard Package
Unit Price without VAT:kr.79.25000
Unit Price with VAT:kr.99.06250