Dual synchronous buck controller for efficient power management. Features oscillator synchronization, a maximum output current of 20A, and a wide input voltage range of 4.5V to 36V. Operates with a maximum duty cycle of 98.9% and a maximum frequency of 226kHz. Surface mountable in a 28-HTSSOP package, this lead-free component offers two positive output phases with adjustable output voltages up to 32.4V.
Frequency226kHz
PackageHTSSOP
MountingSurface Mount
Power3.4W
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Technical Specifications
Texas Instruments LM5642MH/NOPB technical specifications.
General
Package/Case
HTSSOP
Clock Sync
Yes
Duty Cycle
98.9%
Height
0.8mm
Lead Free
Lead Free
Length
9.7mm
Max Duty Cycle
98.9%
Max Frequency
226kHz
Max Input Voltage
36V
Min Input Voltage
4.5V
Max Operating Temperature
125°C
Min Operating Temperature
-40°C
Max Output Voltage
32.4V
Min Output Voltage
1.3V
Max Supply Voltage
36V
Min Supply Voltage
4.5V
Mount
Surface Mount
Number of Output Phases
2
Number of Outputs
2
Output Configuration
Positive
Output Current
20A
Output Voltage
32.4V
Packaging
Rail/Tube
Power Dissipation
3.4W
Quiescent Current
1.1mA
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
PowerWise®
Synchronous Rectifier
Yes
Width
4.4mm
Compliance
RoHS
Compliant
Datasheet
Texas Instruments LM5642MH/NOPB Datasheet
Download the complete datasheet for Texas Instruments LM5642MH/NOPB to view detailed technical specifications.
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