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TPS622313 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza TPS622313
Descripción Electrónicos  2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
Download  36 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS622313 Datasheet(HTML) 1 Page - Texas Instruments

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V
IN
GND
V
OUT
C2
L1
Totalarea
12mm²
1.8V
V
OUT
2.05V-6V
V
IN
2.2
F
m
C
IN
L
1/2.2
H
m
C
4.7
F
OUT
m
TPS62231
VIN
EN
MODE
SW
FB
GND
TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
www.ti.com
SLVS941E – APRIL 2009 – REVISED DECEMBER 2010
2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
1
FEATURES
DESCRIPTION
2 MHz / 3 MHz Switch Frequency
The TPS6223X device family is a high frequency
Up to 94% Efficiency
synchronous step down DC-DC converter optimized
Output Peak Current up to 500mA
for battery powered portable applications. It supports
up to 500mA output current and allows the use of tiny
Excellent AC and Transient Load Regulation
and low cost chip inductors and capacitors.
High PSRR (up to 90dB)
With a wide input voltage range of 2.05V to 6V the
Small External Output Filter Components 1
μH/
device supports applications powered by Li-Ion
4.7
μF
batteries with extended voltage range. The minimum
VIN range from 2.05V to 6V
input voltage of 2.05V allows as well the operation
Optimized Power Save Mode For Low Output
from Li-primary or two alkaline batteries. Different
Ripple Voltage
fixed output voltage versions are available from 1.0V
to 3.3V.
Forced PWM Mode Operation
The TPS6223X series features switch frequency up
Typ. 22
μA Quiescent Current
to 3.8MHz. At medium to heavy loads, the converter
100% Duty Cycle for Lowest Dropout
operates in PWM mode and automatically enters
Small 1 × 1.5 × 0.6mm3 SON Package
Power Save Mode operation at light load currents to
12 mm2 Minimum Solution Size
maintain high efficiency over the entire load current
range.
Supports 0.6 mm Maximum Solution Height
Because
of
its
excellent
PSRR
and
AC
load
Soft Start with typ. 100
μs Start Up Time
regulation performance, the device is also suitable to
replace linear regulators to obtain better power
APPLICATIONS
conversion efficiency.
LDO Replacement
The Power Save Mode in TPS6223X reduces the
Portable Audio, Portable Media
quiescent current consumption down to 22
μA during
Cell Phones
light load operation. It is optimized to achieve very
low output voltage ripple even with small external
Low Power Wireless
component and features excellent ac load regulation.
Low Power DSP Core Supply
For very noise sensitive applications, the device can
Digital Cameras
be forced to PWM Mode operation over the entire
load range by pulling the MODE pin high. In the
shutdown mode, the current consumption is reduced
to less than 1
μA. The TPS6223X is available in a 1 ×
1.5mm2 6 pin SON package.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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