TPS562211

AKTIV

Synchroner Abwärtswandler, 4,2 bis 18 V, 2 A, mit 1 % Genauigkeit, PG/SS und PFM/Forced-PWM im SOT58

Produktdetails

Iout (max) (A) 2 Vin (min) (V) 4.2 Vin (max) (V) 18 Topology Buck Type Converter Switching frequency (min) (kHz) 550 Switching frequency (max) (kHz) 650 Features Enable, Forced PWM, Light Load Efficiency, Power good, Soft Start Adjustable, UVLO Fixed Control mode ACM/AECM Vout (min) (V) 0.6 Vout (max) (V) 7 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00012
Iout (max) (A) 2 Vin (min) (V) 4.2 Vin (max) (V) 18 Topology Buck Type Converter Switching frequency (min) (kHz) 550 Switching frequency (max) (kHz) 650 Features Enable, Forced PWM, Light Load Efficiency, Power good, Soft Start Adjustable, UVLO Fixed Control mode ACM/AECM Vout (min) (V) 0.6 Vout (max) (V) 7 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00012
SOT-5X3 (DRL) 8 3.36 mm² 2.1 x 1.6
  • Input voltage: 4.2 V to 18 V
  • Output voltage: 0.6 V to 7 V
    • Up to 2-A continuous output current
    • Minimum switching on time: 45 ns
    • Maximum duty cycle: 98%
  • High efficiency
    • Integrated 66-mΩ and 33-mΩ MOSFETs
    • Quiescent current 120-µA typical
  • Highly flexible and easy to use
    • Selectable Eco-mode or FCCM operation
    • Selectable power good indicator or external soft start
    • Precise enable input
  • High accuracy
    • Reference voltage accuracy: ±1% (25°C)
    • Switching frequency tolerance: ±8.5%
  • Small solution size
    • Internal compensation for ease of use
    • SOT583 package
    • Minimum external components
  • Cycle-by-cycle current limit for both high-side and low-side MOSFETs
  • Non-latched OVP, UVP, UVLO, and TSD protections
  • Create a custom design using TPS562211 with the WEBENCH® Power Designer
  • Input voltage: 4.2 V to 18 V
  • Output voltage: 0.6 V to 7 V
    • Up to 2-A continuous output current
    • Minimum switching on time: 45 ns
    • Maximum duty cycle: 98%
  • High efficiency
    • Integrated 66-mΩ and 33-mΩ MOSFETs
    • Quiescent current 120-µA typical
  • Highly flexible and easy to use
    • Selectable Eco-mode or FCCM operation
    • Selectable power good indicator or external soft start
    • Precise enable input
  • High accuracy
    • Reference voltage accuracy: ±1% (25°C)
    • Switching frequency tolerance: ±8.5%
  • Small solution size
    • Internal compensation for ease of use
    • SOT583 package
    • Minimum external components
  • Cycle-by-cycle current limit for both high-side and low-side MOSFETs
  • Non-latched OVP, UVP, UVLO, and TSD protections
  • Create a custom design using TPS562211 with the WEBENCH® Power Designer

The TPS562211 is a cost effective and highly flexible synchronous buck converter that provides selectable Eco-mode operation or FCCM (Force Continuous Conduction Mode) operation. A selectable Power-Good indicator or external soft start is also configurable through the MODE pin. Power sequencing is possible by correctly configuring Enable, Power-Good indicator, or external soft start. A wide input voltage range of 4.2 V to 18 V supports a wide variety of common input rails like 12 V and 15 V. It supports up to 2-A continuous output current at output voltages between 0.6 V and 7 V.

The device provides fast transient response with true fixed switching frequency through the use of the Advanced Emulated Current Mode (AECM) control topology. With internal smart loop bandwidth control, the device provides fast transient response over a wide output voltage range without the need for external compensation.

Cycle-by-cycle current limit on the high-side peak current protects the device in overload situations and is enhanced by a low-side valley current limit, which prevents current runaway. Hiccup mode would be triggered under overvoltage protection (OVP), undervoltage protection (UVP), UVLO protection, and thermal shutdown.

The device is available in 1.6-mm × 2.1-mm SOT583 package.

The TPS562211 is a cost effective and highly flexible synchronous buck converter that provides selectable Eco-mode operation or FCCM (Force Continuous Conduction Mode) operation. A selectable Power-Good indicator or external soft start is also configurable through the MODE pin. Power sequencing is possible by correctly configuring Enable, Power-Good indicator, or external soft start. A wide input voltage range of 4.2 V to 18 V supports a wide variety of common input rails like 12 V and 15 V. It supports up to 2-A continuous output current at output voltages between 0.6 V and 7 V.

The device provides fast transient response with true fixed switching frequency through the use of the Advanced Emulated Current Mode (AECM) control topology. With internal smart loop bandwidth control, the device provides fast transient response over a wide output voltage range without the need for external compensation.

Cycle-by-cycle current limit on the high-side peak current protects the device in overload situations and is enhanced by a low-side valley current limit, which prevents current runaway. Hiccup mode would be triggered under overvoltage protection (OVP), undervoltage protection (UVP), UVLO protection, and thermal shutdown.

The device is available in 1.6-mm × 2.1-mm SOT583 package.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS562211 4.2-V to 18-V Input, 2-A Synchronous Buck Converter in SOT583 Package datasheet (Rev. A) PDF | HTML 20 Aug 2021
Application note Transient Response Comparison of AECM with D-CAP2 and PCM Control PDF | HTML 21 Dez 2022
White paper Achieving Fast Load-Transient Response and Low EMI with the AECM DC/DC Control (Rev. A) PDF | HTML 24 Okt 2022
Application brief Benefit from Highly Flexible and Easy to Use DC/DC Solution PDF | HTML 24 Jan 2022
EVM User's guide TPS562211 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 26 Apr 2021
Certificate TPS562211EVM EU Declaration of Conformity (DoC) 29 Jul 2020

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

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Test report: PDF
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