Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-WQFN (4x4)
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LM27403SQ/NOPB

DigiKey Part Number
296-37015-2-ND - Tape & Reel (TR)
296-37015-1-ND - Cut Tape (CT)
296-37015-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM27403SQ/NOPB
Description
IC REG CTRLR BUCK 24WQFN
Manufacturer Standard Lead Time
18 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-WQFN (4x4)
Datasheet
 Datasheet
EDA/CAD Models
LM27403SQ/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
Product Questions and Answers

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In-Stock: 1,601
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All prices are in HKD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$29.19000$29.19
10$21.96000$219.60
25$20.15920$503.98
100$18.17610$1,817.61
250$17.23028$4,307.57
500$16.66070$8,330.35
* All Digi-Reel orders will add a $55.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$16.19167$16,191.67
2,000$15.80567$31,611.34
3,000$15.61238$46,837.14
5,000$15.39829$76,991.45
Manufacturers Standard Package