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TPS62290DRVR Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS62290DRVR
Description  1-A Step Down Converter in 2 x 2 SON Package
Download  23 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS62290DRVR Fiches technique(HTML) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION
APPLICATIONS
TPS62290DRV
V
2.7Vto6V
IN
R
360k
1
W
V
1.8V,
1000mA
OUT
R
180k
2
W
VIN
GND
EN
FB
SW
C
10 F
OUT
m
MODE
C
10 F
IN
m
L1
2.2 H
m
C
22pF
1
30
40
50
60
70
80
90
100
0.00001 0.0001
0.001
0.01
0.1
1
I -OutputCurrent- A
O
V =4.2V
IN
V =3.8V
IN
V =5V
IN
V =4.5V
IN
V
=3.3V,
MODE=GND,
L =2.2 H
OUT
m
TPS62290
SLVS764 – JUNE 2007
1-A Step Down Converter in 2 x 2 SON Package
• High Efficiency Step Down Converter
The TPS62290 device is a high efficient synchronous
step down dc-dc converter optimized for battery
• Output Current up to 1000 mA
powered portable applications. It provides up to
• V
IN Range From 2.3 V to 6 V
1000-mA output current from a single Li-Ion cell.
• 2.25 MHz Fixed Frequency Operation
With an input voltage range of 2.3 V to 6 V, the
• Power Save Mode at Light Load Currents
device supports batteries with extended voltage
• Output Voltage Accuracy in PWM mode ±1.5%
range and are ideal to power portable applications
like mobile phones and other portable equipment.
• Typ. 15-µA Quiescent Current
• 100% Duty Cycle for Lowest Dropout
The TPS62290 operates at 2.25-MHz fixed switching
frequency and enters Power Save Mode operation at
• Voltage Positioning at Light Loads
light load currents to maintain high efficiency over
• Available in a 2 × 2 × 0,8 mm SON Package
the entire load current range.
The Power Save Mode is optimized for low output
voltage ripple. For low noise applications, the device
• Cell Phones, Smart-phones
can be forced into fixed frequency PWM mode by
• WLAN
pulling the MODE pin high. In the shutdown mode,
• PDAs, Pocket PCs
the current consumption is reduced to less than
• Low Power DSP Supply
1
µA. TPS62290 allows the use of small inductors
and capacitors to achieve a small solution size.
• Portable Media Players
• POL
The TPS62290 is available in a 2 mm
× 2 mm 6 pin
SON package.
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007, 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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