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TPS61150DRCRG4 датащи(PDF) 1 Page - Texas Instruments

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номер детали TPS61150DRCRG4
подробное описание детали  Dual-Output Boost WLED Driver Using Single Inductor
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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TPS61150DRCRG4 датащи(HTML) 1 Page - Texas Instruments

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C2
1 F
C1
1 F
VIN
2.5 V to 6 V
Input
IOUT
SW
GND
SEL1
SEL2
ISET1
IFB2
IFB1
R1
R2
L1 10 H
ISET2
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TPS61150, TPS61151
SLVS625E – FEBRUARY 2006 – REVISED NOVEMBER 2015
TPS6115x Dual-Output Boost WLED Driver Using Single Inductor
1 Features
3 Description
The TPS6115x is a high-frequency boost converter
1
2.5-V to 6-V Input Voltage Range
with two regulated current outputs for driving WLEDs.
Two Outputs Each up to 27 V
Each current output can be individually programmed
0.7-A Integrated Switch
through external resistors. There is a dedicated
selection pin for each output so the two outputs can
Built-In Power Diode
be turned on separately or simultaneously. The
1.2-MHz Fixed PWM Frequency
output current can be reduced by a pulse width
Individually Programmable Output Current
modulation (PWM) signal on SEL pins or an analog
voltage on the ISET pins, resulting in PWM dimming
Input-to-Output Isolation
of the WLEDs. The boost regulator runs at a 1.2-MHz
Built-In Soft Start
fixed switching frequency to reduce output ripple and
Overvoltage Protection
avoid audible noises associated with pulse frequency
Up to 83% Efficiency
modulation (PFM) control.
Up to 30-kHz PWM Dimming Frequency
The two current outputs are ideal for driving WLED
backlights for the sub and main displays in clamshell
2 Applications
phones. The two outputs can also be used for driving
display and keypad backlights. When used together,
Sub- and Main-Display Backlight in Clamshell
the two outputs can drive up to 14 WLEDs for one
Phones
large display.
Display and Keypad Backlight
In addition to the small inductor, small capacitor, and
Up to 14-WLED Driver
3-mm × 3-mm VSON package, the built-in MOSFET
and diode eliminate the need for any external power
devices. Overall, the device provides an extremely
compact solution with high efficiency and plenty of
flexibility.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS61150
VSON (10)
3.00 mm × 3.00 mm
TPS61151
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application
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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678Kb / 21P
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