TPS622314TDRYRQ1

更新时间： 2024-02-13 16:44:40

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
32页	1340K
描述
3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package

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TPS622314TDRYRQ1 数据手册

TPS62231-Q1

TPS622314-Q1

www.ti.com

SLVSB63 –DECEMBER 2011

3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package

Check for Samples: TPS62231-Q1, TPS622314-Q1

FEATURES

DESCRIPTION

•

Qualified for Automotive Applications

The TPS6223x-Q1 device family is a high frequency

synchronous step down DC-DC converter optimized

for battery powered portable applications. It supports

up to 500 mA output current and allows the use of

tiny and low cost chip inductors and capacitors.

3 MHz Switch Frequency

Up to 94% Efficiency

Output Peak Current up to 500 mA

Excellent AC and Transient Load Regulation

High PSRR (up to 90 dB)

With a wide input voltage range of 2.05 V to 6 V the

device supports applications powered by Li-Ion

batteries with extended voltage range. The minimum

input voltage of 2.05 V allows as well the operation

from Li-primary or two alkaline batteries. Different

fixed output voltage versions are available from 1 V to

3.3 V.

Small External Output Filter Components 1 μH/

4.7 μF

•

V_INrange from 2.05 V to 6 V

Optimized Power Save Mode For Low Output

Ripple Voltage

The TPS6223x-Q1 series features switch frequency

up to 3.8 MHz. 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.

•

Forced PWM Mode Operation

Typ. 22 μA Quiescent Current

100% Duty Cycle for Lowest Dropout

Small 1 × 1.5 × 0.6mm³SON Package

12 mm²Minimum Solution Size

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.

Supports 0.6 mm Maximum Solution Height

Soft Start with typ. 100μs Start Up Time

APPLICATIONS

The Power Save Mode in TPS6223x-Q1 reduces the

quiescent current consumption down to 22 μA 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.

•

LDO Replacement

Portable Audio, Portable Media

Cell Phones

Low Power Wireless

Low Power DSP Core Supply

Digital Cameras

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 1μA. The TPS6223x-Q1 is available in a

1 × 1.5mm²6 pin SON package.

TPS62231

1/2.2 mH

2.05 V - 6 V

OUT

VIN

1.8 V

OUT

MODE

GND

2.2 mF

4.7 mF

Total area

12mm²

GND

V _OUT

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.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...32

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与TPS622314TDRYRQ1相关器件

型号	品牌	获取价格	描述	数据表
TPS622315DRY	TI	获取价格	1.22A SWITCHING REGULATOR, 3800kHz SWITCHING FREQ-MAX, PDSO6, 1 X 1.50 MM, 0.60 MM HEIGHT,
TPS622315DRYR	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622315DRYT	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622316DRYR	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622316DRYT	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622317DRYR	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622317DRYT	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622318DRYR	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622318DRYT	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换
TPS622319DRYR	TI	获取价格	采用 1x1.5 SON 封装、具有 DCS-Control 的 2MHz 超小型降压转换

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