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TPS54531DDAR TI Chips TPS54531 5-A 28-V Input SWIFT Step Down Converter With Eco mode

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TPS54531DDAR TI Chips TPS54531 5-A 28-V Input SWIFT Step Down Converter With Eco mode

Brand Name:	TI Chips
Model Number:	TPS54531DDAR
MOQ:	2500
Packaging Details:	2500PCS/reel
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

China

Document:

Model:

TPS54531DDAR

Product Name:

TI Chips

Type:

SMD/SMT

Output Voltage:

Adjustable

Output Current:

Quiescent Current:

110 UA

Supply Ability:

1000000

Highlight:

TPS54531DDAR

TPS54531 TI Chips

Eco Mode Step Down Converter

Product Description

TI Chips TPS54531DDAR TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

Features

• 3.5 to 28-V input voltage range

• Adjustable output voltage down to 0.8 V

• Integrated 80-mΩ high-side MOSFET supports up

to 5-A continuous output current

• High efficiency at light loads with a pulse skipping

Eco-mode

• Fixed 570-kHz switching frequency

• Typical 1-μA shutdown quiescent current

• Adjustable slow start limits inrush currents

• Programmable UVLO threshold

• Overvoltage transient protection

• Cycle-by-cycle current-limit, frequency fold back,

and thermal shutdown protection

• Available in easy-to-use thermally enhanced

8-pin SO PowerPAD™ integrated circuit package

• Use TPS56637 for higher efficiency in a smaller

package

• Create a custom design using the TPS54531 with

the WEBENCH® Power Designer

Applications

• Consumer applications such as set-top boxes,

CPE equipment, LCD displays, peripherals, and

battery chargers

• Industrial and car audio power supplies

• 5-V, 12-V and 24-V distributed power systems

Description

The TPS54531 device is a 28-V, 5-A non-

synchronous buck converter that integrates a low

RDS(on) high-side MOSFET. To increase efficiency

at light loads, a pulse skipping Eco-mode feature

is automatically activated. Furthermore, the 1-μA

shutdown supply current allows the device to be

used in battery powered applications. Current mode

control with internal slope compensation simplifies

the external compensation calculations and reduces

component count while allowing the use of ceramic

output capacitors. A resistor divider programs the

hysteresis of the input undervoltage lockout. An

overvoltage transient protection circuit limits voltage

overshoots during startup and transient conditions.

A cycle-by-cycle current-limit scheme, frequency fold

back, and thermal shutdown protect the device and

the load in the event of an overload condition. The

TPS54531 device is available in 8-pin SO PowerPAD

integrated circuit package that has been internally

optimized to improve thermal performance.

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products details

TPS54531DDAR TI Chips TPS54531 5-A 28-V Input SWIFT Step Down Converter With Eco mode

OSRAM LED Chip

CREE LED Chip

ST IC Chips

TI Chips

Bridgelux LED Chip

Infineon Chip

LUMINUS LED Chip

LED Lamp Beads

SAMSUNG IC Chips

Micron Chips

SK Hynix Chips

Lumileds LED Chip

SAMSUNG LED Chip

SEOUL LED Chip

NICHIA LED Chip

NeXperia Chips

ONsemi Chips

ADI Chips

TSLC Semileds LED Lamp Beads

High Power LED Chip

OSRAM LED Chip

CREE LED Chip

ST IC Chips

TI Chips

Bridgelux LED Chip

Infineon Chip

LUMINUS LED Chip

LED Lamp Beads

SAMSUNG IC Chips

Micron Chips

SK Hynix Chips

Lumileds LED Chip

SAMSUNG LED Chip

SEOUL LED Chip

NICHIA LED Chip

NeXperia Chips

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