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TPS61088RHLR Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS61088RHLR
Descripción Electrónicos  TPS61088 10-A Fully-Integrated Synchronous Boost Converter
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61088RHLR Datasheet(HTML) 1 Page - Texas Instruments

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VIN
EN
VOUT
FB
R1
R5
VCC
FSW
SW
R2
COMP
C5
AGND
PGND
C6
L1
C1
C2
C3
R3
BOOT
VIN
ILIM
R4
SS
C7
C4
VOUT
MODE
ON
OFF
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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.
TPS61088
SLVSCM8A – MAY 2015 – REVISED MAY 2015
TPS61088 10-A Fully-Integrated Synchronous Boost Converter
1
1 Features
1
Input Voltage Range: 2.7 to 12 V
Output Voltage Range: 4.5 to 12.6 V
10-A Switch Current
Up to 91% Efficiency at VIN = 3.3 V, VOUT = 9 V,
and IOUT = 3 A
Mode Selection Between PFM Mode and Forced
PWM Mode at Light Load
1.0 µA Current into VIN Pin during Shutdown
Resistor-Programmable Switch Peak Current Limit
Adjustable Switching Frequency: 200 kHz to 2.2
MHz
Programmable Soft Start
Output Overvoltage Protection at 13.2 V
Cycle-by-Cycle Overcurrent Protection
Thermal Shutdown
4.50-mm × 3.50-mm 20-Pin VQFN Package
Create a Custom Design Using the TPS61088
with the WEBENCH Power Designer
2 Applications
Portable POS terminal
Bluetooth™ Speaker
E-Cigarette
Thunderbolt Interface
Quick Charge Power Bank
3 Description
The TPS61088 is a high power density, fully
integrated synchronous boost converter with a 11-mΩ
power switch and a 13-mΩ rectifier switch to provide
a high efficiency and small size solution in portable
systems. The TPS61088 has wide input voltage
range from 2.7 V to 12 V to support applications with
single cell or two cell Lithium batteries. The device
has 10-A switch current capability and is capable of
providing an output voltage up to 12.6 V.
The TPS61088 uses adaptive constant off-time peak
current control topology to regulate the output
voltage. In moderate to heavy load condition, the
TPS61088 works in the pulse width modulation
(PWM) mode. In light load condition, the device has
two operation modes selected by the MODE pin. One
is the pulse frequency modulation (PFM) mode to
improve the efficiency and another one is the forced
PWM mode to avoid application problems caused by
low switching frequency. The switching frequency in
the PWM mode is adjustable ranging from 200 kHz to
2.2 MHz by an external resistor. The TPS61088 also
implements a programmable soft-start function and
an adjustable switching peak current limit function. In
addition,
the
device
provides
13.2-V
output
overvoltage
protection,
cycle-by-cycle
overcurrent
protection, and thermal shutdown protection.
The TPS61088 is available in a 4.50-mm × 3.50-mm
20-pin VQFN package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS61088
VQFN (20)
4.50 mm × 3.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Typical Application Circuit


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