CSD87588N_15 Datasheet, PDF (1/23 Pages) Texas Instruments – CSD87588N Synchronous Buck NexFET Power Block II

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CSD87588N
SLPS384D – MARCH 2013 – REVISED APRIL 2015
CSD87588N Synchronous Buck NexFET™ Power Block II
1 Features
•1 Half-Bridge Power Block
• 90% System Efficiency at 20 A
• Up to 25 A Operation
• High Density – 5 mm x 2.5 mm LGA Footprint
• Double Side Cooling Capability
• Ultra-Low Profile – 0.48 mm Max
• Optimized for 5 V Gate Drive
• Low Switching Losses
• Low Inductance Package
• RoHS Compliant
• Halogen Free
• Pb Free
2 Applications
• Synchronous Buck Converters
– High-Current, Low Duty Cycle Applications
• Multiphase Synchronous Buck Converters
• POL DC-DC Converters
3 Description
The CSD87588N NexFET™ power block II is a
highly-optimized design for synchronous buck
applications offering high current and high efficiency
capability in a small 5 mm × 2.5 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 driver from an external
controller/driver.
TEXT ADDED FOR SPACING
Ordering Information⁽¹⁾
Device
Media
Qty
Package
CSD87588N
CSD87588NT
13-Inch Reel
7-Inch Reel
2500
250
5 x 2.5 LGA
Ship
Tape and
Reel
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
TEXT ADDED FOR SPACING
VDD
ENABLE
PWM
Typical Circuit
VDD
GND
ENABLE
PWM
Driver IC
BOOT
DRVH
VIN
TG
VSW
LL
DRVL
BG
PGND
CSD87588N
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
5
10
15
20
Output Current (A)
0
25
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.