TPS5420-Q1

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Convertidor buck de 5.5 V a 36 V, frecuencia fija de 500 kHz y 2 A automotriz

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document-pdfAcrobat TPS5420-Q1 Automotive, 2A, Wide-Input-Range Step-Down SWIFT™ Converter datasheet (Rev. D) (Inglés) PDF | HTML

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LMR33620-Q1

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Convertidor de voltaje reductor síncrono de 3,8 V a 36 V, 2 A Smaller footprint, higher efficiency, lower IQ and lower EMI.

TPS5420-Q1

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Detalles del producto

Rating

Automotive

Topology

Buck

Iout (max) (A)

2

Vin (max) (V)

36

Vin (min) (V)

5.5

Vout (max) (V)

31

Vout (min) (V)

1.23

Features

Enable, Over Current Protection, Soft Start Fixed

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.003

Duty cycle (max) (%)

89

Rating

Automotive

Topology

Buck

Iout (max) (A)

2

Vin (max) (V)

36

Vin (min) (V)

5.5

Vout (max) (V)

31

Vout (min) (V)

1.23

Features

Enable, Over Current Protection, Soft Start Fixed

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.003

Duty cycle (max) (%)

89

SOIC (D)

8

29.4 mm² (4.9 mm × 6 mm)

Qualified for automotive applications
Wide input voltage range: 5.5V to 36V
Up to 2A continuous (3A peak) output current
High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
Internal compensation minimizes external parts count
Fixed 500kHz switching frequency for small filter size
Improved line regulation and transient response by input voltage feed forward
System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
–40°C to 125°C operating junction temperature range
Available in small 8-pin SOIC package
Create a custom design using the TPS5420-Q1 device with the WEBENCH Power Designer

Qualified for automotive applications
Wide input voltage range: 5.5V to 36V
Up to 2A continuous (3A peak) output current
High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
Internal compensation minimizes external parts count
Fixed 500kHz switching frequency for small filter size
Improved line regulation and transient response by input voltage feed forward
System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
–40°C to 125°C operating junction temperature range
Available in small 8-pin SOIC package
Create a custom design using the TPS5420-Q1 device with the WEBENCH Power Designer

As a member of the SWIFT™ converter family of dc/dc regulators, the TPS5420-Q1 is a high-output-current PWM converter that integrates a low-resistance high-side N-channel MOSFET. Included on the substrate with the listed features is a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection, and thermal shutdown. To reduce design complexity and external component count, the TPS5420-Q1 feedback loop is internally compensated.

The TPS5420-Q1 device is available in an easy-to-use 8-pin SOIC package. TI provides evaluation modules and the SWIFT converter Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

As a member of the SWIFT™ converter family of dc/dc regulators, the TPS5420-Q1 is a high-output-current PWM converter that integrates a low-resistance high-side N-channel MOSFET. Included on the substrate with the listed features is a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection, and thermal shutdown. To reduce design complexity and external component count, the TPS5420-Q1 feedback loop is internally compensated.

The TPS5420-Q1 device is available in an easy-to-use 8-pin SOIC package. TI provides evaluation modules and the SWIFT converter Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

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Documentación principal	Tipo	Título	Opciones de formato	Descargar la versión más reciente en inglés	Fecha
*	Hoja de datos	TPS5420-Q1 Automotive, 2A, Wide-Input-Range Step-Down SWIFT™ Converter datasheet (Rev. D)	PDF \| HTML		13/04/2026

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