CSD87333Q3D_15 Datasheet, PDF (1/24 Pages) Texas Instruments – CSD87333Q3D Synchronous Buck NexFET™ Power Block

CSD87333Q3D
SLPS350 – FEBRUARY 2014
CSD87333Q3D Synchronous Buck NexFET™ Power Block
1 Features
•1 Half-Bridge Power Block
• Optimized for High Duty Cycle
• Up to 24 V_in
• 94.7% System Efficiency at 8 A
• 1.5 W P_Loss at 8 A
• Up to 15 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
SPACER
SPACER
Typical Circuit
VIN
VDD
BOOT
VDD
VIN
TG
DRVH
GND
TGR
VSW
ENABLE
LL
ENABLE
VOUT
PWM
PWM
Driver IC
DRVL
BG
PGND
CSD87333Q3D
3 Description
The CSD87333Q3D 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
V_IN 2
T_G 3
T_GR 4
P_GND
(Pin 9)
8 VSW
7 VSW
6 VSW
5 BG
P0116-01
TEXT ADDED FOR SPACING
Ordering Information
Device
Qty
Media
Package
CSD87333Q3D 2500 13-Inch Reel
CSD87333Q3DT 250 7-Inch Reel
SON 3.3-
mm × 3.3-mm
Plastic Package
Ship
Tape and
Reel
Typical Power Block Efficiency and Power Loss
100
5
90
4
80
3
70
60
50
0
V_GS = 5V
2
V_IN = 12V
V_OUT = 3.3V
L_OUT = 1.0µH 1
f_SW = 500kHz
T_A = 25ºC
0
3
6
9
12
15
Output Current (A)
G001
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.