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CSD95372BQ5MC
SLPS417A –APRIL 2014–REVISED JULY 2015
CSD95372BQ5MC Synchronous Buck NexFET™ Smart Power Stage
1 Features
2 Applications
1
•
60-A Continuous Operating Current Capability
93.4% System Efficiency at 30 A
•
Multiphase Synchronous Buck Converters
•
•
•
•
•
–
–
High-Frequency Applications
Low Power Loss of 2.8 W at 30 A
High-Current, Low Duty-Cycle Applications
High-Frequency Operation (up to 1.25 MHz)
Diode Emulation Mode With FCCM
•
•
•
POL DC-DC Converters
Memory and Graphic Cards
Temperature-Compensated Bidirectional Current
Sense
Desktop and Server VR11.x / VR12.x V-Core and
Memory Synchronous Converters
•
•
Analog Temperature Output (600 mV at 0°C)
Fault Monitoring
3 Description
The CSD95372BQ5MC NexFET™ smart power
stage is a highly optimized design for use in a high-
power, high-density synchronous buck converter.
This product integrates the driver IC and Power
MOSFETs to complete the power stage switching
function. This combination produces high-current,
high-efficiency, and high-speed switching capability in
a small 5 mm × 6 mm outline package. It also
integrates the accurate current sensing and
temperature sensing functionality to simplify system
design and improve accuracy. In addition, the PCB
footprint is optimized to help reduce design time and
simplify the completion of the overall system design.
–
High-Side Short, Overcurrent, and
Overtemperature Protection
•
•
•
•
•
•
•
•
•
•
3.3-V and 5-V PWM Signal Compatible
Tri-State PWM Input
Integrated Bootstrap Diode
Optimized Deadtime for Shoot-Through Protection
High-Density SON 5 × 6 mm Footprint
Ultra-Low Inductance Package
System-Optimized PCB Footprint
DualCool™ Packaging
RoHS Compliant – Lead-Free Terminal Plating
Halogen-Free
Device Information(1)
DEVICE
CSD95372BQ5MC 13-Inch Reel 2500
CSD95372BQ5MCT 7-Inch Reel 250
MEDIA
QTY
PACKAGE
SHIP
Tape
and
Reel
SON 5 × 6 mm
DualCool Package
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Application Diagram
Typical Power Stage Efficiency and Power Loss
100
90
80
70
60
50
40
30
14
12
10
8
VIN
CSD95372B
VOUT
VCC
VDD = 5V
VIN = 12V
VOUT = 1.2V
LOUT = .225µH
fSW = 500kHz
TA = 25ºC
6
VCC
4
PWM1
+Is1
2
-Is2
VOUT
VOUT
SS
0
0
10
20
30
40
50
60
TSEN
Output Current (A)
G001
+Is2
-Is2
RT
PWM2
PGND
Multiphase
Controller
CSD95372B
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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