Synchronous buck controller with voltage mode operation, featuring temperature-compensated DCR current sensing. Accepts input voltages from 3V to 20V, delivering a fixed 4.7V output up to 15A. Operates with a maximum duty cycle of 93% and includes clock synchronization. Packaged in a 4mm x 4mm x 0.8mm WQFN surface-mount package, this lead-free, RoHS-compliant component operates from -40°C to 125°C.
MountingSurface Mount
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Technical Specifications
Texas Instruments LM27403SQ/NOPB technical specifications.
General
Clock Sync
Yes
Fall Time
20us
Height
0.8mm
Lead Free
Lead Free
Length
4mm
Max Duty Cycle
93%
Max Input Voltage
20V
Min Input Voltage
3V
Max Operating Temperature
125°C
Min Operating Temperature
-40°C
Max Output Current
15A
Max Output Voltage
19V
Min Output Voltage
600mV
Mount
Surface Mount
Number of Output Phases
1
Number of Outputs
1
Operating Supply Current
3.5mA
Operating Supply Voltage
20V
Output Configuration
Positive
Output Type
Fixed
Output Voltage
4.7V
Package Quantity
1000
Packaging
Tape and Reel
Quiescent Current
3.5mA
Radiation Hardening
No
RoHS Compliant
Yes
Synchronous Rectifier
Yes
Thickness
750um
Width
4mm
Compliance
RoHS
Compliant
Datasheet
Texas Instruments LM27403SQ/NOPB Datasheet
Download the complete datasheet for Texas Instruments LM27403SQ/NOPB to view detailed technical specifications.
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