VOUT
VIN
TPS84410
SENSE+
VADJ
AGND
PGND
VOUT
VIN
PWRGD
RT/CLK
INH/UVLO
SS/TR
STSEL
CIN
RSET
COUT
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
Output Current (A)
Efficiency
(%)
VIN = 5 V,VOUT = 3.3 V,fSW = 1 MHz
VIN = 3.3 V,VOUT = 1.8 V,fSW = 1 MHz
G000
SLVSAR5
– SEPTEMBER 2011
2.95-V to 6-V Input, 4-A Synchronous Buck, Integrated Power Solution
1
FEATURES
DESCRIPTION
The TPS84410RKG is an easy-to-use integrated
2
Complete Integrated Power Solution Allows
power solution that combines a 4-A DC/DC converter
Small Footprint, Low-Profile Design
with power MOSFETs, an inductor, and passives into
Efficiencies Up To 96%
a low profile, BQFN package. This total power
Wide-Output Voltage Adjust
solution requires as few as 3 external components
and eliminates the loop compensation and magnetics
0.8 V to 3.6 V, with
±1% Reference Accuracy
part selection process.
Adjustable Switching Frequency
(500 kHz to 2 MHz)
The 9
×11×2.8 mm BQFN package is easy to solder
onto a printed circuit board and allows a compact
Synchronizes to an External Clock
point-of-load design with greater than 90% efficiency
Adjustable Slow-Start
and excellent power dissipation with a thermal
Output Voltage Sequencing / Tracking
impedance of 12
°C/W junction to ambient. The
device delivers the full 4-A rated output current at
Power Good Output
85
°C ambient temperature without airflow.
Programmable Undervoltage Lockout (UVLO)
The
TPS84410
offers
the
flexibility
and
the
Output Overcurrent Protection
feature-set of a discrete point-of-load design and is
Over Temperature Protection
ideal for powering performance DSPs and FPGAs.
Operating Temperature Range:
–40°C to 85°C
Advanced packaging technology afford a robust and
reliable power solution compatible with standard QFN
Enhanced Thermal Performance: 12
°C/W
mounting and testing techniques.
Meets EN55022 Class B Emissions
For Design Help Including SwitcherPro
visit
SIMPLIFIED APPLICATION
APPLICATIONS
Broadband
& Communications Infrastructure
Automated Test and Medical Equipment
Compact PCI / PCI Express / PXI Express
DSP and FPGA Point of Load Applications
High Density Distributed Power Systems
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.
2
SwitcherPro is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright
2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.