TPS54526

Name: TPS54526
Brand: TI
SKU: TPS54526
Price: 1.28 USD

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Convertidor reductor síncrono de 5.5 A, entrada de 4.5 V a 18 V, con Eco-Mode™

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Hoja de datos

document-pdfAcrobat TPS54526 4.5-V to 18-V Input, 5.5-A Synchronous Step-Down Converter with Eco-mode™ datasheet (Rev. D) (Inglés) PDF | HTML

TPS54526

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Detalles del producto

Iout (max) (A)

5.5

Vin (min) (V)

4.5

Vin (max) (V)

18

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

650

Switching frequency (max) (kHz)

650

Features

Enable, Light Load Efficiency, Power good, Soft Start Adjustable, Synchronous Rectification

Control mode

D-CAP2

Vout (min) (V)

0.76

Vout (max) (V)

5.5

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.0009

Iout (max) (A)

5.5

Vin (min) (V)

4.5

Vin (max) (V)

18

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

650

Switching frequency (max) (kHz)

650

Features

Enable, Light Load Efficiency, Power good, Soft Start Adjustable, Synchronous Rectification

Control mode

D-CAP2

Vout (min) (V)

0.76

Vout (max) (V)

5.5

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.0009

HTSSOP (PWP)

14

32 mm² 5 x 6.4

VQFN (RSA)

16

16 mm² 4 x 4

D-CAP2™ mode enables fast transient response
Low output ripple and allows ceramic output capacitor
Wide V_IN input voltage range: 4.5 V to 18 V
Output voltage range: 0.76 V to 5.5 V
Highly efficient integrated FETs optimized for lower duty cycle applications – 63 mΩ (high side) and 33 mΩ (low side)
High efficiency, less than 10 µA at shutdown
High initial bandgap reference accuracy
Adjustable soft start
Pre-biased soft start
650-kHz switching frequency (f_SW)
Cycle-by-cycle over current limit
Power good output
Auto-skip Eco-mode™ for high efficiency at light load

D-CAP2™ mode enables fast transient response
Low output ripple and allows ceramic output capacitor
Wide V_IN input voltage range: 4.5 V to 18 V
Output voltage range: 0.76 V to 5.5 V
Highly efficient integrated FETs optimized for lower duty cycle applications – 63 mΩ (high side) and 33 mΩ (low side)
High efficiency, less than 10 µA at shutdown
High initial bandgap reference accuracy
Adjustable soft start
Pre-biased soft start
650-kHz switching frequency (f_SW)
Cycle-by-cycle over current limit
Power good output
Auto-skip Eco-mode™ for high efficiency at light load

The TPS54526 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54526 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54526 uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode™ operation at light loads. Eco-mode™ allows the TPS54526 to maintain high efficiency during lighter load conditions. The TPS54526 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP, SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76V and 5.5V. The device also features an adjustable soft start time and a power good function. The TPS54526 is available in the 14-pin HTSSOP package and the 16 pin QFN package, designed to operate from –40°C to 85°C.

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Documentación técnica

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Ver todo 4

	Tipo	Título		Fecha
*	Data sheet	TPS54526 4.5-V to 18-V Input, 5.5-A Synchronous Step-Down Converter with Eco-mode™ datasheet (Rev. D)	PDF \| HTML	07 abr 2021
	EVM User's guide	TPS54526 Step-Down Converter Evaluation Module User's Guide (Rev. A)	PDF \| HTML	26 ago 2021
	Selection guide	SWIFT DC/DC Converters Selector Guide (Rev. G)		06 feb 2019
	Application note	D-CAP2 Frequency Response Model, based on frequency domain analysis of Fixed On-		02 ene 2013

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS54526EVM-608 — Módulo de evaluación TPS54526

The TPS54526EVM-608 evaluation module (EVM) helps designers evaluate the performance of the TPS54526 Synchronous Step-Down Converter with D-CAP2™ Mode and Auto-Skip Eco-Mode. The EVM is a single, synchronous buck converter providing a 1.05 V output at 5.5 A from a 4.5-V to 18-V input. Terminal (...)

Guía del usuario: PDF | HTML