New Product
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-QFN (4x5)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LTC7891RUFDM#WTRPBF

DigiKey Part Number
505-LTC7891RUFDM#WTRPBFTR-ND - Tape & Reel (TR)
505-LTC7891RUFDM#WTRPBFCT-ND - Cut Tape (CT)
505-LTC7891RUFDM#WTRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LTC7891RUFDM#WTRPBF
Description
LOW IQ 100V SYNC BUCK CONTROLLER
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-QFN (4x5)
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Analog Devices Inc.
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Output Type
Transistor Driver
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Number of Outputs
1
Output Phases
1
Voltage - Supply (Vcc/Vdd)
4V ~ 100V
Frequency - Switching
100kHz ~ 3MHz
Duty Cycle (Max)
99%
Synchronous Rectifier
Yes
Clock Sync
Yes
Serial Interfaces
-
Control Features
Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Operating Temperature
-40°C ~ 150°C (TJ)
Grade
-
Qualification
-
Mounting Type
Surface Mount, Wettable Flank
Package / Case
28-WFQFN Exposed Pad
Supplier Device Package
28-QFN (4x5)
Base Product Number
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 2,399
Check for Additional Incoming Stock
All prices are in TWD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1NT$227.00000NT$227
10NT$174.20000NT$1,742
25NT$161.08000NT$4,027
100NT$146.60000NT$14,660
250NT$145.73600NT$36,434
* All Digi-Reel orders will add a NT$215 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500NT$128.50160NT$321,254
Manufacturers Standard Package