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TPS630241YFFT Datasheet(PDF) 1 Page - Texas Instruments

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No. de Pieza. TPS630241YFFT
Descripción  High Current, High Efficiency Single Inductor Buck-Boost Converter
Descarga  29 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS630241YFFT Datasheet(HTML) 1 Page - Texas Instruments

 
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Output Current (A)
45
50
55
60
65
70
75
80
85
90
95
100
100µ
1m
10m
100m
1 1.5
TPS630242
VIN = 2.8V, VOUT = 3.3V
VIN = 4.2V, VOUT = 3.3V
VIN = 3.3V, VOUT = 3.3V
VIN = 3.6V, VOUT = 3.3V
L1
VIN
EN
PGND
L2
VOUT
FB
L
1
C
2
V
OUT
TPS63024
C
1
PFM/
PWM
GND
2X22µF
3.3 V up to 1.5A
1µH
10µF
V
IN
2.5 V to 5.5 V
VINA
Product
Folder
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TPS63024
TPS630241, TPS630242
SLVSCK8A – NOVEMBER 2014 – REVISED DECEMBER 2014
TPS63024x High Current, High Efficiency Single Inductor Buck-Boost Converter
1 Features
3 Description
The TPS63024 are high efficiency, low quiescent
1
Real Buck or Boost operation with automatic and
current buck-boost converters suitable for application
seamless transition between Buck and Boost
where the input voltage is higher or lower than the
operation
output. Output currents can go as high as 1.5A in
2.3V to 5.5V input voltage range
boost mode and as high as 3A in buck mode. The
maximum average current in the switches is limited to
1.5A Continuous Output Current : VIN≥ 2.5V,
a typical value of 3A. The TPS63024 regulates the
VOUT= 3.3V
output voltage over the complete input voltage range
Adjustable and fixed output voltage
by automatically switching between buck or boost
Efficiency up to 95% in Buck or Boost mode and
mode depending on the input voltage ensuring a
up to 97% when VIN=VOUT
seamless transition between modes. The buck-boost
converter is based on a fixed frequency, pulse-width-
2.5MHz typical switching frequency
modulation
(PWM)
controller
using
synchronous
35
μA operating quiescent current
rectification to obtain highest efficiency. At low load
Integrated Soft –Start
currents, the converter enters Power Save Mode to
Power Save Mode
maintain high efficiency over the complete load
current range. There is a PFM/PWM pin that allows
True shutdown function
the user to choose between automatic PFM/PWM
Output capacitor discharge function
mode operation and forced PWM operation. During
Over-Temperature Protection and Over current
PWM mode a fixed-frequency of typically 2.5MHz is
Protection
used. The output voltage is programmable using an
external resistor divider, or is fixed internally on the
Wide capacitance selection
chip. The converter can be disabled to minimize
Small 1.766 mm x 2.086mm, 20-pin WCSP
battery
drain.
During
shutdown,
the
load
is
disconnected
from
the
battery.
The
device
is
2 Applications
packaged in a 20-pin WCSP package measuring
1.766 mm x 2.086mm.
Cellular Phones, Smart Phones
Tablets PC
Device Information(1)
PC and Smart Phone accessories
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Point of load regulation
TPS63024
Battery Powered Applications
TPS630241
DSBGA (20)
1.766 mm × 2.086 mm
TPS630242
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Typical Application
.
Efficiency vs Output Current
.
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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