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TPS61045DRBTG4 Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS61045DRBTG4
Description  Digitally Adjustable Boost Converter
Download  26 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS61045DRBTG4 Datasheet(HTML) 1 Page - Texas Instruments

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1MW
C1
100nF
C3
L
VIN
SW
DO
FB
L1
D1
MBR0530
GND
CTRL
PGND
TPS61045
Enable/LCDbiascontrol
C2
4.7 F
m
R2
R1
R3
Cff
22pF
4.7 H
m
2.2MW
1 F
m
VO
16.2Vto18.9V/10mA
180kW
V
=1.8Vto6V
IN
1
2
5
6
8
3
4
7
Product
Folder
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TPS61045
SLVS440C – JANUARY 2003 – REVISED DECEMBER 2014
TPS61045 Digitally Adjustable Boost Converter
1 Features
3 Description
The TPS61045 device is a high-frequency boost
1
Input Voltage Range from 1.8 to 6 V
converter with digitally-programmable output voltage
Output Voltage of up to 28 V Possible
and true shutdown. During shutdown, the output is
Up to 85% Efficiency
disconnected from the input by opening the internal
input switch. This allows a controlled power-up and
Digitally Adjustable Output Voltage Control
power-down sequencing of the display. The output
Disconnects Output From Input During Shutdown
voltage can be increased or decreased in digital
Switching Frequency up to 1 MHz
steps by applying a logic signal to the CTRL pin. The
output voltage range, as well as the output voltage
No Load Quiescent Current 40
μA Typical
step size, can be programmed with the feedback
Thermal Shutdown Mode
divider network. With a high switching frequency of
Shutdown Current 0.1
μA Typical
up to 1 MHz, the TPS61045 device allows the use of
Available in Small 3-mm × 3-mm VSON Package
small external components, and together, with the
small 8-pin VSON package, a minimum system
solution size is achieved.
2 Applications
LCD Bias Supply for Small to Medium LCD
Device Information(1)
Displays
PART NUMBER
PACKAGE
BODY SIZE (NOM)
OLED Display Power Supply
TPS61045
VSON (8)
3.00 mm × 3.00 mm
PDA, Pocket PC, Smart Phones
(1) For all available packages, see the orderable addendum at
Handheld Devices
the end of the data sheet.
Cellular Phones
Simplified Schematic
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.


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