CSD87331Q3D Block Datasheet

CSD87331Q3D Datasheet PDF, Equivalent


Part Number

CSD87331Q3D

Description

Synchronous Buck Power Block

Manufacture

etcTI

Total Page 24 Pages
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CSD87331Q3D
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CSD87331Q3D
SLPS283B – SEPTEMBER 2011 – REVISED FEBRUARY 2017
CSD87331Q3D Synchronous Buck NexFET™ Power Block
1 Features
1 Half-Bridge Power Block
• Up to 27-V VIN
• Up to 15-A Operation
• 91% System Efficiency at 10 A
• 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-Current, Low-Duty Cycle Applications
• Multiphase Synchronous Buck Converters
• POL DC-DC Converters
• IMVP, VRM, and VRD Applications
3 Description
The CSD87331Q3D NexFET™ power block is an
optimized design for synchronous buck 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 capable of offering a
high-density power supply when paired with any 5-V
gate drive from an external controller/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
CSD87331Q3D
CSD87331Q3DT
Device Information(1)
MEDIA QTY
PACKAGE
13-Inch Reel 2500
7-Inch Reel 250
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.
Typical Circuit
Typical Power Block Efficiency
and Power Loss
96 6
88
80 VGS = 5V
VIN = 12V
VOUT = 1.3V
72 LOUT = 1.0µH
fSW = 500kHz
TA = 25ºC
64
5
4
3
2
56 1
48
0
5 10
Output Current (A)
0
15
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.

CSD87331Q3D
CSD87331Q3D
SLPS283B – SEPTEMBER 2011 – REVISED FEBRUARY 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 ........................ 10
6.1 Application Information............................................ 10
6.2 Typical Application .................................................. 13
7 Layout ................................................................... 15
7.1 Layout Guidelines ................................................... 15
7.2 Layout Example ...................................................... 16
8 Device and Documentation Support.................. 17
8.1 Documentation Support .......................................... 17
8.2 Receiving Notification of Documentation Updates.. 17
8.3 Community Resources............................................ 17
8.4 Trademarks ............................................................. 17
8.5 Electrostatic Discharge Caution .............................. 17
8.6 Glossary .................................................................. 17
9 Mechanical, Packaging, and Orderable
Information ........................................................... 18
9.1 Q3D Package Dimensions...................................... 18
9.2 Land Pattern Recommendation .............................. 19
9.3 Q3D Tape and Reel Information ............................. 19
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (January 2012) to Revision B
Page
• Added note for IDM in the Absolute Maximum Ratings table .................................................................................................. 3
• Added Application and Implementation section note ........................................................................................................... 10
• Changed Recommended PCB Design Overview section to Layout section ........................................................................ 15
• Added the Device and Documentation Support section....................................................................................................... 17
Changes from Original (September 2011) to Revision A
Page
• Added Feature Bullet: Up to 15 A Operation. ........................................................................................................................ 1
2 Submit Documentation Feedback
Copyright © 2011–2017, Texas Instruments Incorporated
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Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity CSD87331Q3D SLPS283B – SEPTEM BER 2011 – REVISED FEBRUARY 2017 CSD8 7331Q3D Synchronous Buck NexFET™ Powe r Block 1 Features •1 Half-Bridge Po wer Block • Up to 27-V VIN • Up to 15-A Operation • 91% System Efficienc y at 10 A • 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 Lo sses • Ultra-Low-Inductance Package RoHS Compliant • Halogen Free • Lead-Free Terminal Plating 2 Applicatio ns • Synchronous Buck Converters – High-Frequency Applications – High-Cu rrent, Low-Duty Cycle Applications • Multiphase Synchronous Buck Converters • POL DC-DC Converters • IMVP, VRM, and VRD Applications 3 Description Th e CSD87331Q3D NexFET™ power block is an optimized design for synchronous buc k applications offering high-current, h igh-efficiency, and highfrequency capability in a small 3.3-mm × 3.3-mm outline. Optimized for 5-V gate driv.
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