TPS62230, TPS62231, TPS62232, TPS62233, TPS62234
TPS62235, TPS62236, TPS62237, TPS62238, TPS62239
TPS622310, TPS622311, TPS622312, TPS622313, TPS622314
www.ti.com
SLVS941C –APRIL 2009–REVISED APRIL 2010
2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
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FEATURES
DESCRIPTION
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2 MHz / 3 MHz Switch Frequency
Up to 94% Efficiency
The TPS6223X device family is a high frequency
synchronous step down DC-DC converter optimized
for battery powered portable applications. It supports
up to 500mA output current and allows the use of tiny
and low cost chip inductors and capacitors.
Output Peak Current up to 500mA
Excellent AC and Transient Load Regulation
High PSRR (up to 90dB)
Small External Output Filter Components 1mH/
4.7mF
With a wide input voltage range of 2.05V to 6V the
device supports applications powered by Li-Ion
batteries with extended voltage range. The minimum
input voltage of 2.05V allows as well the operation
from Li-primary or two alkaline batteries. Different
fixed output voltage versions are available from 1.0V
to 3.3V.
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VIN range from 2.05V to 6V
Optimized Power Save Mode For Low Output
Ripple Voltage
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Forced PWM Mode Operation
Typ. 22 mA Quiescent Current
The TPS6223X series features switch frequency up
to 3.8MHz. At medium to heavy loads, the converter
operates in PWM mode and automatically enters
Power Save Mode operation at light load currents to
maintain high efficiency over the entire load current
range.
100% Duty Cycle for Lowest Dropout
Small 1 × 1.5 × 0.6mm3 SON Package
12 mm2 Minimum Solution Size
Supports 0.6 mm Maximum Solution Height
Soft Start with typ. 100ms Start Up Time
Because of its excellent PSRR and AC load
regulation performance, the device is also suitable to
replace linear regulators to obtain better power
conversion efficiency.
APPLICATIONS
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LDO Replacement
Portable Audio, Portable Media
Cell Phones
Low Power Wireless
Low Power DSP Core Supply
Digital Cameras
The Power Save Mode in TPS6223X reduces the
quiescent current consumption down to 22mA during
light load operation. It is optimized to achieve very
low output voltage ripple even with small external
component and features excellent ac load regulation.
For very noise sensitive applications, the device can
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 1mA. The TPS6223X is available in a 1 ×
1.5mm2 6 pin SON package.
V
IN
L
TPS62231
1/2.2 mH
V
2.05 V - 6 V
OUT
VIN
SW
1.8 V
C
FB
EN
IN
C
OUT
MODE
GND
2.2 mF
4.7 mF
Total area
12mm²
L1
V
IN
C2
GND
V OUT
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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
UNLESS OTHERWISE NOTED this document contains
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2009–2010, Texas Instruments Incorporated