TPS62243

Name: TPS62243
Brand: TI
SKU: TPS62243
Price: 0.396 USD

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Convertidor reductor de 1.8 V y 300 mA en encapsulado SON/TSOT23 de 2 mm × 2 mm

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document-pdfAcrobat TPS6224x 2.25-MHz 300-mA Step-Down Converter in 2 x 2 WSON and SOT Package datasheet (Rev. C) (Inglés) PDF | HTML

TPS62243

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Detalles del producto

Iout (max) (A)

0.3

Vin (min) (V)

2

Vin (max) (V)

6

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

2000

Switching frequency (max) (kHz)

2500

Features

Enable, Forced PWM, Light load efficiency, Synchronous Rectification

Control mode

Voltage mode

Vout (min) (V)

1.8

Vout (max) (V)

1.8

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.000015

Iout (max) (A)

0.3

Vin (min) (V)

2

Vin (max) (V)

6

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

2000

Switching frequency (max) (kHz)

2500

Features

Enable, Forced PWM, Light load efficiency, Synchronous Rectification

Control mode

Voltage mode

Vout (min) (V)

1.8

Vout (max) (V)

1.8

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.000015

WSON (DRV)

6

4 mm² 2 x 2

High Efficiency - Greater Than 94%
Output Current up to 300 mA
V_IN Range from 2 V to 6 V for Li-ion Batteries With
Extended Voltage Range
2.25-MHz Fixed-Frequency Operation
Power Save Mode at Light Load Currents
Output Voltage Accuracy in PWM Mode ±1.5%
Adjustable Output Voltage from 0.6 V to V_IN
Typical 15-µA Quiescent Current
100% Duty Cycle for Lowest Dropout
Available in a SOT (5) and 2-mm × 2-mm × 0.8-
mm WSON (6) Package
Allows <1-mm Solution Height

High Efficiency - Greater Than 94%
Output Current up to 300 mA
V_IN Range from 2 V to 6 V for Li-ion Batteries With
Extended Voltage Range
2.25-MHz Fixed-Frequency Operation
Power Save Mode at Light Load Currents
Output Voltage Accuracy in PWM Mode ±1.5%
Adjustable Output Voltage from 0.6 V to V_IN
Typical 15-µA Quiescent Current
100% Duty Cycle for Lowest Dropout
Available in a SOT (5) and 2-mm × 2-mm × 0.8-
mm WSON (6) Package
Allows <1-mm Solution Height

The TPS6224x device is a highly efficient synchronous step-down DC-DC converter. The device provides up to 300-mA output current from a single Li-Ion cell and is ideal for battery powered portable applications like mobile phones and other portable equipment.

With an wide input voltage range of 2 V to 6 V, the device also supports two- and three-cell alkaline, 3.3-V and 5-V input voltage rails.

The TPS6224x operates at 2.25-MHz fixed switching frequency and enters power save mode operation at light load currents to maintain high efficiency over the entire load current range.

The power save mode is optimized for low output voltage ripple. For low-noise applications, the device can be forced into fixed-frequency pulse width modulation (PWM) mode by pulling the MODE pin high. In shutdown mode, the current consumption is reduced to less than 1 µA. The TPS6224x allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6224x operates over a free-air temperature range of –40°C to 85°C. The device is available in a 5-pin SOT and a 6-pin 2-mm × 2-mm WSON package.

The TPS6224x device is a highly efficient synchronous step-down DC-DC converter. The device provides up to 300-mA output current from a single Li-Ion cell and is ideal for battery powered portable applications like mobile phones and other portable equipment.

With an wide input voltage range of 2 V to 6 V, the device also supports two- and three-cell alkaline, 3.3-V and 5-V input voltage rails.

The TPS6224x operates at 2.25-MHz fixed switching frequency and enters power save mode operation at light load currents to maintain high efficiency over the entire load current range.

The power save mode is optimized for low output voltage ripple. For low-noise applications, the device can be forced into fixed-frequency pulse width modulation (PWM) mode by pulling the MODE pin high. In shutdown mode, the current consumption is reduced to less than 1 µA. The TPS6224x allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6224x operates over a free-air temperature range of –40°C to 85°C. The device is available in a 5-pin SOT and a 6-pin 2-mm × 2-mm WSON package.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	TPS6224x 2.25-MHz 300-mA Step-Down Converter in 2 x 2 WSON and SOT Package datasheet (Rev. C)	PDF \| HTML	31 jul 2015
	Application note	QFN and SON PCB Attachment (Rev. C)	PDF \| HTML	06 dic 2023
	Application note	Performing Accurate PFM Mode Efficiency Measurements (Rev. A)		11 dic 2018
	Analog Design Journal	Understanding 100% mode in low-power DC/DC converters		22 jun 2018
	Application note	Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B)		29 nov 2017
	Analog Design Journal	Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold		24 oct 2017
	Application note	Extending the Soft Start Time Without a Soft Start Pin (Rev. B)		15 jun 2017
	Analog Design Journal	Testing tips for applying external power to supply outputs without an input voltage		24 oct 2016
	Application note	Basic Calculation of a Buck Converter's Power Stage (Rev. B)		17 ago 2015
	Analog Design Journal	Five steps to a great PCB layout for a step-down converter		29 ene 2015
	Application note	Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)		13 ene 2012
	Analog Design Journal	IQ: What it is, what it isn’t, and how to use it		17 jun 2011

Diseño y desarrollo

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