CSD87334Q3D Block Datasheet

CSD87334Q3D Datasheet PDF, Equivalent


Part Number

CSD87334Q3D

Description

Synchronous Buck Power Block

Manufacture

etcTI

Total Page 22 Pages
Datasheet
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CSD87334Q3D
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CSD87334Q3D
SLPS546A – JULY 2015 – REVISED MARCH 2017
CSD87334Q3D Synchronous Buck NexFET™ Power Block
1 Features
1 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
• Ultra-Low-Inductance Package
• RoHS Compliant
• Halogen-Free
• Lead-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.
.
TOP VIEW
VIN 1
8 VSW
VIN 2
TG 3
PGND
(Pin 9)
7 VSW
6 VSW
TGR 4
5 BG
P0116-01
Device Information(1)
DEVICE
QTY MEDIA
PACKAGE
CSD87334Q3D 2500 13-Inch Reel
CSD87334Q3DT 250 7-Inch Reel
SON
3.30-mm × 3.30-mm
Plastic Package
SHIP
Tape
and
Reel
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
.
.
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
VGS = 5 V
VIN = 12 V
VOUT = 3.3 V
LOUT = 1.0 PH
70 fSW = 500 kHz
TA = 25qC
60
3
2
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.

CSD87334Q3D
CSD87334Q3D
SLPS546A – JULY 2015 – REVISED MARCH 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Specifications......................................................... 3
5.1 Absolute Maximum Ratings ...................................... 3
5.2 Recommended Operating Conditions....................... 3
5.3 Power Block Performance ........................................ 3
5.4 Thermal Information .................................................. 3
5.5 Electrical Characteristics........................................... 4
5.6 Typical Power Block Device Characteristics............. 5
5.7 Typical Power Block MOSFET Characteristics......... 7
6 Application and Implementation .......................... 9
6.1 Application Information.............................................. 9
6.2 Typical Application .................................................... 9
6.3 System Example ....................................................... 9
7 Layout ................................................................... 12
7.1 Layout Guidelines ................................................... 12
7.2 Layout Example ...................................................... 13
7.3 Thermal Considerations .......................................... 13
8 Device and Documentation Support.................. 14
8.1 Receiving Notification of Documentation Updates.. 14
8.2 Community Resources............................................ 14
8.3 Trademarks ............................................................. 14
8.4 Electrostatic Discharge Caution .............................. 14
8.5 Glossary .................................................................. 14
9 Mechanical, Packaging, and Orderable
Information ........................................................... 15
9.1 Q3D Package Dimensions...................................... 15
9.2 Land Pattern Recommendation .............................. 16
9.3 Stencil Recommendation ........................................ 17
9.4 Q3D Tape and Reel Information ............................. 17
4 Revision History
Changes from Original (August 2015) to Revision A
Page
• Changed TG to TGR minimum voltage, from –8 V : to –0.3 V in Absolute Maximum Ratings table ....................................... 3
• Changed BG to PGND minimum voltage, from –8 V : to –0.3 V in Absolute Maximum Ratings table ..................................... 3
• Changed IGSS test condition for VGS, from +10 / –8 V : to 10 V in Electrical Characteristics table ........................................ 4
• Added Receiving Notification of Documentation Updates section and Community Resources section to Device and
Documentation Support section ........................................................................................................................................... 14
2 Submit Documentation Feedback
Copyright © 2015–2017, Texas Instruments Incorporated
Product Folder Links: CSD87334Q3D


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity CSD87334Q3D SLPS546A – JULY 2 015 – REVISED MARCH 2017 CSD87334Q3D Synchronous Buck NexFET™ Power Block 1 Features •1 Half-Bridge Power Bloc k • Optimized for High-Duty Cycle • Up to 24 Vin • 96.1% System Efficien cy at 12 A • 1.6-W PLoss at 12 A • Up to 20-A Operation • High-Frequency Operation (up to 1.5 MHz) • High-Den sity SON 3.3 mm × 3.3 mm Footprint • Optimized for 5-V Gate Drive • Low-S witching Losses • Ultra-Low-Inductanc e Package • RoHS Compliant • Haloge n-Free • Lead-Free Terminal Plating 2 Applications • Synchronous Buck Conv erters – High-Frequency Applications – High-Duty Cycle Applications • Sy nchronous Boost Converters • POL DC-D C Converters 3 Description The CSD8733 4Q3D NexFET™ power block is an optimi zed design for synchronous buck and boo st 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 driv.
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