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TPS61040DRVRG4 Datasheet(PDF) 1 Page - Texas Instruments

Part # TPS61040DRVRG4
Description  LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS61040DRVRG4 Datasheet(HTML) 1 Page - Texas Instruments

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3
2
4
5
DDC, DBV PACKAGE
(Top View)
1
SW
GND
FB
VIN
EN
GND
SW
VIN
NC
EN
FB
3
2
1
4
5
6
DRV PACKAGE
(Top View)
70
72
74
76
78
80
82
84
86
88
90
0.1
1
10
100
VI = 5 V
VI = 3.6 V
VI = 2.4 V
EFFICIENCY
vs
OUTPUT CURRENT
IO − Output Current − mA
VIN
SW
FB
EN
GND
L1
10
µH
D1
R1
R2
CFF
CO
1
µF
VOUT
VIN to 28 V
VIN
1.8 V to 6 V
CIN
4.7
µF
5
4
2
3
1
VO = 18 V
TPS61040
TPS61041
www.ti.com
SLVS413F – OCTOBER 2002 – REVISED DECEMBER 2010
LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES
Check for Samples: TPS61040, TPS61041
1
FEATURES
DESCRIPTION
1.8-V to 6-V Input Voltage Range
The
TPS61040/41
is
a
high-frequency
boost
converter dedicated for small to medium LCD bias
Adjustable Output Voltage Range up to 28 V
supply and white LED backlight supplies. The device
400-mA (TPS61040) and 250-mA (TPS61041)
is ideal to generate output voltages up to 28 V from a
Internal Switch Current
dual cell NiMH/NiCd or a single cell Li-Ion battery.
Up to 1-MHz Switching Frequency
The part can also be used to generate standard
3.3-V/5-V to 12-V power conversions.
28-mA Typical No-Load Quiescent Current
1-mA Typical Shutdown Current
The
TPS61040/41
operates
with
a
switching
frequency up to 1 MHz. This allows the use of small
Internal Soft Start
external components using ceramic as well as
Available in SOT23-5, TSOT23-5,
tantalum output capacitors. Together with the thin
and 2 × 2 × 0.8-mm SON Packages
SON package, the TPS61040/41 gives a very small
overall solution size. The TPS61040 has an internal
APPLICATIONS
400 mA switch current limit, while the TPS61041 has
LCD Bias Supply
a 250-mA switch current limit, offering lower output
voltage ripple and allows the use of a smaller form
White-LED Supply for LCD Backlights
factor inductor for lower power applications. The low
Digital Still Camera
quiescent current (typically 28 mA) together with an
PDAs, Organizers, and Handheld PCs
optimized control scheme, allows device operation at
Cellular Phones
very high efficiencies over the entire load current
range.
Internet Audio Player
Standard 3.3-V/5-V to 12-V Conversion
TYPICAL APPLICATION
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002–2010, 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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