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TPS63050RMWR Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS63050RMWR
Description  Single Inductor Buck-Boost With 1-A Switches and Adjustable Soft Start
Download  20 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS63050RMWR Fiches technique(HTML) 1 Page - Texas Instruments

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Output Current (mA)
TPS63051
VIN = 2.8V, VOUT = 3.3V
VIN = 3.6V, VOUT = 3.3V
V
IN
L1
VIN
EN
ILIM0
GND
L2
VOUT
FB
L
1
1.5 µH
C
2
2.5 V to 5.5 V
V
OUT
3.3 V / 500mA
TPS63051
SS
C
1
10µF
10µF
1M
R
2
C
3
PG
1nF
PFM/
PWM
ILIM1
V
IH or VIL
V
IH or VIL
C
3
10µF
Product
Folder
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Buy
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Documents
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Software
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Community
TPS63050, TPS63051
SLVSAM8C – JULY 2013 – REVISED JULY 2015
TPS6305x Single Inductor Buck-Boost With 1-A Switches and Adjustable Soft Start
Continuous output current can go as high as 500 mA
1 Features
in boost mode and as high as 1 A in buck mode. The
1
Real Buck or Boost with Seamless Transition
maximum average current in the switches is limited to
Between Buck and Boost Mode
a typical value of 1 A. The TPS6305x family of
2.5 V to 5.5 V Input Voltage Range
devices regulate the output voltage over the complete
input
voltage
range
by
automatically
switching
0.5-A Continuous Output Current: VIN ≥ 2.5 V,
between buck or boost mode depending on the input
VOUT = 3.3 V
voltage,
ensuring
seamless
transition
between
Adjustable and Fixed Output Voltage Version
modes.
Efficiency > 90% in Boost Mode and > 95% in
The buck-boost converter is based on a fixed-
Buck Mode
frequency, pulse-width-modulation (PWM) controller
2.5-MHz Typical Switching Frequency
using synchronous rectification to obtain the highest
efficiency. At low load currents, the converter enters
Adjustable Average Input Current Limit
Power Save Mode to maintain high efficiency over
Adjustable Soft-Start Time
the complete load current range.
Device Quiescent Current < 60
μA
The PFM/PWM pin allows the user to select between
Automatic Power Save Mode or Forced PWM
automatic-PFM/PWM mode operation and forced-
Mode
PWM operation. During PWM mode a fixed-frequency
Load Disconnect During Shutdown
of typically 2.5 MHz is used. The output voltage is
programmable using an external resistor divider, or is
Overtemperature Protection
fixed internally on the chip. The converter can be
Small 1.6mm x 1.2mm, 12-pin WCSP and 2.5mm
disabled to minimize battery drain. During shutdown,
x 2.5mm 12-pin HotRod™ QFN package
the load is disconnected from the battery. The device
is packaged in a 12-pin DSBGA and in a 12-pin
2 Applications
HotRod package.
Cellular and Smart Phones
Device Information (1)
Tablets PC
PART NUMBER
PACKAGE
BODY SIZE (NOM)
PC and Smart Phone Accessories
TPS63050
DSBGA (12)
1.56mm x 1.16mm
Battery Powered Applications
TPS63051
VQFN (12)
2.50mm × 2.50mm
Smart Grid/Smart Meter
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
3 Description
The TPS6305x family of devices is a high efficiency,
low quiescent-current buck-boost converter, suitable
for applications where the input voltage is higher or
lower than the output.
Efficiency vs Output Current
Simplified Schematic (WCSP)
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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