TPS62242

ACTIVO

Convertidor reductor de 1.2 V y 300 mA en encapsulado TSOT23/SON de 2 x 2 mm

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Hoja de datos

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

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TPS62242

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Detalles del producto

Rating

Catalog

Topology

Buck

Iout (max) (A)

0.3

Vin (max) (V)

6

Vin (min) (V)

2

Vout (max) (V)

1.2

Vout (min) (V)

1.2

Features

Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.000015

Duty cycle (max) (%)

100

Rating

Catalog

Topology

Buck

Iout (max) (A)

0.3

Vin (max) (V)

6

Vin (min) (V)

2

Vout (max) (V)

1.2

Vout (min) (V)

1.2

Features

Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.000015

Duty cycle (max) (%)

100

WSON (DRV)

6

4 mm² (2 mm × 2 mm)

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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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Hoja de datos	TPS6224x 2.25-MHz 300-mA Step-Down Converter in 2 x 2 WSON and SOT Package datasheet (Rev. C)	PDF \| HTML	31/07/2015
	Nota sobre la aplicación	QFN and SON PCB Attachment (Rev. C)	PDF \| HTML	6/12/2023
	Nota sobre la aplicación	Performing Accurate PFM Mode Efficiency Measurements (Rev. A)		11/12/2018
	Analog Design Journal	Understanding 100% mode in low-power DC/DC converters		22/06/2018
	Nota sobre la aplicación	Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B)		29/11/2017
	Analog Design Journal	Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold		24/10/2017
	Nota sobre la aplicación	Extending the Soft Start Time Without a Soft Start Pin (Rev. B)		15/06/2017
	Analog Design Journal	Testing tips for applying external power to supply outputs without an input voltage		24/10/2016
	Nota sobre la aplicación	Basic Calculation of a Buck Converter's Power Stage (Rev. B)	PDF \| HTML	17/08/2015
	Analog Design Journal	Five steps to a great PCB layout for a step-down converter		29/01/2015
	Nota sobre la aplicación	Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)		13/01/2012
	Analog Design Journal	IQ: What it is, what it isn’t, and how to use it		17/06/2011

Diseño y desarrollo

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