CSD87352Q5D_1111 Datasheet, PDF (1/21 Pages) Texas Instruments – Synchronous Buck NexFET™ Power Block

CSD87352Q5D
www.ti.com
SLPS286B – JUNE 2011 – REVISED NOVEMBER 2011
Synchronous Buck NexFET™ Power Block
FEATURES
1
•2 Half-Bridge Power Block
• 91% system Efficiency at 15A
• High Frequency Operation (Up To 1.5MHz)
• High Density – SON 5-mm × 6-mm Footprint
• Optimized for 5V Gate Drive
• Low Switching Losses
• Ultra Low Inductance Package
• RoHS Compliant
• Halogen Free
• Pb-Free Terminal Plating
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
DESCRIPTION
The CSD87352Q5D NexFET™ power block is an
optimized design for synchronous buck applications
offering high current, high efficiency, and high
frequency capability in a small 5-mm × 6-mm outline.
Optimized for 5V gate drive applications, this product
offers a flexible solution capable of offering a high
density power supply when paired with any 5V gate
drive from an external controller/driver.
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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
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ORDERING INFORMATION
Device
Package
Media Qty
CSD87352Q5D
SON 5-mm × 6-mm
Plastic Package
13-Inch
Reel
2500
Ship
Tape and
Reel
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TYPICAL CIRCUIT
TYPICAL POWER BLOCK EFFICIENCY
and POWER LOSS
95
6
89
5
V_GS = 5V
83
V_IN = 12V
4
V_OUT = 1.3V
L_OUT = 0.3µH
77
f_SW = 500kHz
3
T_A = 25ºC
71
2
65
1
59
0
0
5
10
15
20
25
Output Current (A)
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 © 2011, Texas Instruments Incorporated