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TPS62092RGTT Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS62092RGTT
Description  3A High Efficient Synchronous Step Down Converter with DCS??Control
Download  26 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62092RGTT Datasheet(HTML) 1 Page - Texas Instruments

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Vout
1.8V/3A
Vin
2.5V to 6V
PVIN
PVIN
EN
FB
C1
10 F
m
L1
470nH
C2
22 F
m
SW
TPS62090
SW
Power Good
AVIN
SS
R3
500k
AGND
PG
C4
10nF
VOS
FREQ
CP
CN
C3
10nF
1
2
3
4
5
6
PGND PGND
7
8
9
10
11
12
13
14
15
16
50
55
60
65
70
75
80
85
90
95
100
100m
1
10
100
1k
10k
I load (mA)
VIN = 3.7 V
VIN = 4.2 V
VIN = 5 V
VOUT = 3.3 V
L = 1 µH
f = 1.4 MHz
G002
TPS62090, TPS62091
TPS62092, TPS62093
www.ti.com
SLVSAW2A – MARCH 2012 – REVISED MARCH 2012
3A High Efficient Synchronous Step Down Converter with DCS™ Control
Check for Samples: TPS62090, TPS62091, TPS62092, TPS62093
1
FEATURES
DESCRIPTION
The TPS6209x device family is a high frequency
2
2.5 V to 6 V Input Voltage Range
synchronous step down converter optimized for small
DCS™ Control
solution size, high efficiency and suitable for battery
95% Converter Efficiency
powered applications. To maximize efficiency, the
converter operates in PWM mode with a nominal
Power Save Mode
switching
frequency
of
2.8
MHz/1.4
MHz
and
20 µA Operating Quiescent Current
automatically enters Power Save Mode operation at
100% Duty Cycle for Lowest Dropout
light load currents. When used in distributed power
supplies and point of load regulation, the device
2.8 MHz/1.4 MHz Typical Switching Frequency
allows voltage tracking to other voltage rails and
0.8 V to VIN Adjustable Output Voltage
tolerates output capacitors ranging from 10 µF up to
Fixed Output Voltage Versions
150 µF and beyond. Using the DCS™ Control
topology the device achieves excellent load transient
Output Discharge Function
performance and accurate output voltage regulation.
Adjustable Softstart
The output voltage start-up ramp is controlled by the
Two Level Short Circuit Protection
softstart pin, which allows operation as either a
Output Voltage Tracking
standalone power supply or in tracking configurations.
Wide Output Capacitance Selection
Power sequencing is also possible by configuring the
Enable and Power Good pins. In Power Save Mode,
Available in 3x3mm 16 Pin QFN Package
the device operates at typically 20 µA quiescent
current. Power Save Mode is entered automatically
APPLICATIONS
and seamlessly maintaining high efficiency over the
Distributed Power Supplies
entire load current range.
Notebook, Netbook Computers
Hard Disk Drivers
Processor Supply
Battery Powered Applications
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
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012, 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.


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