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TPS62240

AKTIV

Abwärtswandler, 2,25 MHz, 300mA, in SON/TSOT23-Gehäuse 2 x 2 mm

Produktdetails

Rating Catalog Topology Buck Iout (max) (A) 0.3 Vin (max) (V) 6 Vin (min) (V) 2 Vout (max) (V) 6 Vout (min) (V) 0.6 Features Enable, Forced PWM, 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) 6 Vout (min) (V) 0.6 Features Enable, Forced PWM, 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) SOT-23-THN (DDC) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • High Efficiency - Greater Than 94%
  • Output Current up to 300 mA
  • VIN 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 VIN
  • 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
  • VIN 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 VIN
  • 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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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 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
Anwendungshinweis QFN and SON PCB Attachment (Rev. C) PDF | HTML 06.12.2023
Anwendungshinweis Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23.05.2022
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14.06.2019
Anwendungshinweis Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11.12.2018
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22.06.2018
Anwendungshinweis 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
Anwendungshinweis 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
Anwendungshinweis 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
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26.04.2012
Anwendungshinweis 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

Design und Entwicklung

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Evaluierungsplatine

TPS62240EVM-229 — TPS62240 6 V-Eingang, 1,8 V-Ausgang, 0,3 A, Evaluationsmodul

The TPS62240EVM-229 facilitates evaluation of the TPS62240 2.25 MHz, 300 mA Step-Down DC-DC Converter.
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Evaluierungsplatine

TPS62260LED-338 — TPS62260LED-338-Evaluierungsmodul

The TPS62260LED-338 evaluation module controls the color and brightness of a lamp or runs an automatic color light animation program. The color is generated by three LEDs (red, green and blue). An MSP430 ultra-low power microcontroller controls the brightness of each LED with constant current (...)

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Simulationsmodell

TPS62240 TINA-TI Transient Reference Design

SLVM252.TSC (830 KB) - TINA-TI-Referenzdesign
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Simulationsmodell

TPS62240 TINA-TI Transient Spice Model

SLVM253.ZIP (35 KB) - TINA-TI Spice-Modell
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Simulationsmodell

TPS62240 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM061A.ZIP (37 KB) - PSpice-Modell
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Berechnungstool

SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
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Bestellen & Qualität

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