CSD87334Q3D_15 Datasheet, PDF (1/22 Pages) Texas Instruments – CSD87334Q3D Synchronous Buck NexFET Power Block

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CSD87334Q3D Synchronous Buck NexFET™ Power Block
CSD87334Q3D
SLPS546 – JULY 2015
1 Features
•1 Half-Bridge Power Block
• Optimized for High Duty Cycle
• Up to 24 V_in
• 96.1% System Efficiency at 12 A
• 1.6 W P_Loss 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
• Ultra-Low Inductance Package
• RoHS Compliant
• Halogen-Free
• Pb-Free Terminal Plating
2 Applications
• Synchronous Buck Converters
– High Frequency Applications
– High Duty Cycle Applications
• Synchronous Boost Converters
• POL DC-DC Converters
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.
TEXT ADDED FOR SPACING
Top View
V_IN 1
8 VSW
V_IN 2
T_G 3
P_GND
(Pin 9)
7 VSW
6 VSW
T_GR 4
5 BG
P0116-01
TEXT ADDED FOR SPACING
Device Information⁽¹⁾
DEVICE
QTY MEDIA
PACKAGE
CSD87334Q3D 2500 13-Inch Reel
SON
3.3 mm × 3.3 mm
CSD87334Q3DT 250 7-Inch Reel _{Plastic Package}
SHIP
Tape and
Reel
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
SPACER
SPACER
VDD
ENABLE
PWM
Typical Circuit
VDD
GND
ENABLE
PWM
Driver IC
BOOT
DRVH
LL
VIN
TG
TGR
VSW
DRVL
BG
PGND
CSD87334Q3D
Typical Power Block Efficiency and Power Loss
VIN
100
5
90
4
VOUT
80
V_GS = 5 V
V_IN = 12 V
3
V_OUT = 3.3 V
L_OUT = 1.0 2H
70 f_SW = 500 kHz
2
T_A = 25GC
60
1
50
0
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.