Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-QFN (3.5x4.5)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

L3751PUR

DigiKey Part Number
497-L3751PURTR-ND - Tape & Reel (TR)
497-L3751PURCT-ND - Cut Tape (CT)
497-L3751PURDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
L3751PUR
Description
WIDE 6 V TO 75 V INPUT VOLTAGE S
Manufacturer Standard Lead Time
24 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-QFN (3.5x4.5)
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
STMicroelectronics
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)
6V ~ 75V
Frequency - Switching
100kHz ~ 1MHz
Duty Cycle (Max)
99%
Synchronous Rectifier
Yes
Clock Sync
Yes
Serial Interfaces
-
Control Features
Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Sync, Tracking
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount, Wettable Flank
Package / Case
20-VFQFN Exposed Pad
Supplier Device Package
20-QFN (3.5x4.5)
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: 3 916
Check for Additional Incoming Stock
All prices are in CZK
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
152,29000 Kč52,29 Kč
1038,90900 Kč389,09 Kč
2535,54560 Kč888,64 Kč
10031,85610 Kč3 185,61 Kč
25030,09600 Kč7 524,00 Kč
50029,03478 Kč14 517,39 Kč
1 00028,16105 Kč28 161,05 Kč
* All Digi-Reel orders will add a 167,00 Kč reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3 00027,08203 Kč81 246,09 Kč
6 00026,55397 Kč159 323,82 Kč
Manufacturers Standard Package
Unit Price without VAT:52,29000 Kč
Unit Price with VAT:63,27090 Kč