CSD87384M Datasheet, PDF (1/21 Pages) Texas Instruments – Synchronous Buck NexFET Power Block II

CSD87384M
www.ti.com
SLPS415B – SEPTEMBER 2013 – REVISED JANUARY 2014
CSD87384M Synchronous Buck NexFET™ Power Block II
FEATURES
1
•2 Half-Bridge Power Block
• 90.5% System Efficiency at 25 A
• Up to 30 A Operation
• High Density – 5-mm x 3.5-mm LGA Footprint
• Double Side Cooling Capability
• Ultra-Low Profile – 0.48-mm MAX
• Optimized for 5 V Gate Drive
• Low Switching Losses
• Ultra-Low Inductance Package
• RoHS Compliant
• Halogen Free
• Pb-Free Terminal Plating
DESCRIPTION
The CSD87384M NexFET™ Power Block II is a
highly optimized design for synchronous buck
applications offering high current and high efficiency
capability in a small 5.0-mm × 3.5-mm outline.
Optimized for 5 V gate drive applications, this product
offers an efficient and flexible solution capable of
providing a high density power supply when paired
with any 5 V gate drive from an external controller or
driver.
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Ordering Information
Device
Media
Qty
Package
CSD87384M
CSD87384MT
13-Inch Reel
7-Inch Reel
2500
250
5 × 2.5 LGA
Ship
Tape and
Reel
APPLICATIONS
• Synchronous Buck Converters
– High Frequency Applications
– High Current, Low Duty Cycle Applications
• Multiphase Synchronous Buck Converters
• POL DC-DC Converters
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1
V_IN
TG
P_GND
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Typical Circuit
VDD
ENABLE
PWM
VDD
GND
ENABLE
PWM
Driver IC
BOOT
DRVH
VIN
TG
VSW
LL
DRVL
BG
PGND
CSD87384M
BG
V_SW
Typical Power Block Efficiency and Power Loss
VIN
100
7
90
6
80
V_GS = 5V
5
V_IN = 12V
VOUT
70
V_OUT = 1.3V
L_OUT = 0.29µH
4
60
f_SW = 500kHz
3
T_A = 25ºC
50
2
40
1
30
0
0 3 6 9 12 15 18 21 24 27 30
Output Current (A)
G001
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
NexFET is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2013–2014, Texas Instruments Incorporated