Output Current (A)
Efficiency (%)
Power Loss (W)
0 5 10 15 20 25
50 0
60 1
70 2
80 3
90 4
100 5
G029
V
DD
= 5V
V
IN
= 12V
V
OUT
= 1.2V
L
OUT
= 0.3µH
f
SW
= 500kHz
T
A
= 25°C
Efficiency
Power Loss
V
IN
L
O
L
O
V
OUT
V
OUT
V
DD
C
IN
C
OUT
PWM1
RT
SS
PWM2
CSD96370Q5M
CSD96370Q5M
MultiPhase
ControlIC
V
CC
V
OUT
P
GND
S0488-01
CSD96370Q5M
www.ti.com
SLPS265C –NOVEMBER 2010–REVISED OCTOBER 2011
Synchronous Buck NexFET™ Power Stage
1
FEATURES
APPLICATIONS
• 90% System Efficiency at 25A • Synchronous Buck Converters
• High Frequency Operation (Up To 2MHz) • Multiphase Synchronous Buck Converters
• Incorporates Power Block Technology • POL DC-DC Converters
• High Density – SON 5-mm × 6-mm Footprint • Memory and Graphic Cards
• Low Power Loss 2.6W at 25A • Desktop and Server VR11.x and VR12 V-Core
Synchronous Buck Converters
• Ultra Low Inductance Package
• System Optimized PCB Footprint
ORDERING INFORMATION
• 3.3V and 5V PWM Signal Compatible
Device Package Media Qty Ship
• 3-State PWM Input
SON 5-mm × 6-mm 13-Inch Tape and
CSD96370Q5M 2500
Plastic Package Reel Reel
• Integrated Bootstrap Diode
• Pre-Bias Start-Up Protection
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• Shoot Through Protection
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• RoHS Compliant – Lead Free Terminal Plating
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Halogen Free
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DESCRIPTION
The CSD96370Q5M NexFET Power Stage is an optimized design for use in a high power, high density
Synchronous Buck converter. This product integrates an enhanced gate driver IC and Power Block Technology
to complete the power stage switching function. This combination produces a high current, high efficiency, high
speed switching device and delivers an excellent thermal solution in a small 5-mm × 6-mm outline package due
to its large ground based thermal pad. In addition, the PCB footprint has been optimized to help reduce design
time and simplify the completion of the overall system design.
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Figure 1. Application Diagram Figure 2. Efficiency and Power Loss
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2010–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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