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CSD87334Q3D
SLPS546 –JULY 2015
CSD87334Q3D Synchronous Buck NexFET™ Power Block
1 Features
3 Description
The CSD87334Q3D NexFET™ power block is an
optimized design for synchronous buck and boost
applications offering high current, high efficiency, and
high frequency capability in a small 3.3 mm × 3.3 mm
outline. Optimized for 5-V gate drive applications, this
product offers a flexible solution in high duty cycle
applications when paired with an external controller or
driver.
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Half-Bridge Power Block
Optimized for High Duty Cycle
Up to 24 Vin
96.1% System Efficiency at 12 A
1.6 W PLoss at 12 A
Up to 20 A operation
High-Frequency Operation (Up to 1.5 MHz)
High Density – SON 3.3 mm × 3.3 mm Footprint
Optimized for 5-V Gate Drive
Low Switching Losses
TEXT ADDED FOR SPACING
Top View
VIN
VIN
TG
VSW
VSW
VSW
1
2
3
4
8
7
6
5
Ultra-Low Inductance Package
RoHS Compliant
PGND
(Pin 9)
Halogen-Free
Pb-Free Terminal Plating
TGR
BG
P0116-01
2 Applications
•
Synchronous Buck Converters
TEXT ADDED FOR SPACING
Device Information(1)
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High Frequency Applications
High Duty Cycle Applications
DEVICE
QTY
2500 13-Inch Reel
250 7-Inch Reel
MEDIA
PACKAGE
SHIP
CSD87334Q3D
SON
3.3 mm × 3.3 mm
Plastic Package
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Synchronous Boost Converters
POL DC-DC Converters
Tape and
Reel
CSD87334Q3DT
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
SPACER
SPACER
Typical Circuit
Typical Power Block Efficiency and Power Loss
100
90
80
70
60
50
5
4
3
2
1
0
VIN
BOOT
VDD
VDD
GND
VIN
TG
DRVH
LL
VGS = 5 V
VIN = 12 V
VOUT = 3.3 V
TGR
VSW
VOUT
ENABLE
PWM
ENABLE
PWM
LOUT = 1.0
SW = 500 kHz
TA = 25
PH
BG
DRVL
f
PGND
qC
CSD87334Q3D
Driver IC
0
5
10
15
20
Output Current (A)
D000
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.