24-WQFN Exposed Pad
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LM27403SQX/NOPB

DigiKey Part Number
296-LM27403SQX/NOPBTR-ND - Tape & Reel (TR)
296-LM27403SQX/NOPBCT-ND - Cut Tape (CT)
296-LM27403SQX/NOPBDKR-ND - Digi-Reel®
Manufacturer
Texas Instruments
Manufacturer Product Number
LM27403SQX/NOPB
Description
SYNCHRONOUS BUCK CONTROLLER
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-WQFN (4x4)
Datasheet
 Datasheet
EDA/CAD Models
LM27403SQX/NOPB Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
Texas Instruments
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)
3V ~ 20V
Frequency - Switching
200kHz ~ 1.2MHz
Duty Cycle (Max)
93%
Synchronous Rectifier
Yes
Clock Sync
Yes
Serial Interfaces
-
Control Features
Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
24-WFQFN Exposed Pad
Supplier Device Package
24-WQFN (4x4)
Base Product Number
LM27403
Available To Order
Check Lead Time
This product is not kept in stock at DigiKey. The lead time shown will apply to the manufacturer’s shipment to DigiKey. Upon receiving the product, DigiKey will ship to fill open orders.
Quantity
All prices are in HKD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$21.84000$21.84
* All Digi-Reel orders will add a $55.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
4,500$11.24006$50,580.27
Manufacturers Standard Package