TPS54395

Name: TPS54395
Brand: TI
SKU: TPS54395
Price: 1.278 USD

ACTIVO

Convertidor reductor síncrono con entrada de 4.5 V a 18 V, salida doble de 3 A

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Hoja de datos

document-pdfAcrobat 3A Dual Channel Synchronous Step Down Switcher With Integrated FET datasheet (Rev. A) (Inglés)

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Convertidor reductor síncrono de 3 A y entrada de 4,2 V a 17 V en encapsulado SOT563 This product is single output with smaller package and less external component count

TPS54395

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Detalles del producto

Iout (max) (A)

3

Vin (min) (V)

4.5

Vin (max) (V)

18

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

700

Switching frequency (max) (kHz)

700

Features

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

Control mode

D-CAP2

Vout (min) (V)

0.76

Vout (max) (V)

7

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.0012

Iout (max) (A)

3

Vin (min) (V)

4.5

Vin (max) (V)

18

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

700

Switching frequency (max) (kHz)

700

Features

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

Control mode

D-CAP2

Vout (min) (V)

0.76

Vout (max) (V)

7

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.0012

HTSSOP (PWP)

16

32 mm² 5 x 6.4

VQFN (RSA)

16

16 mm² 4 x 4

D-CAP2 Control Mode
- Fast Transient Response
- No External Parts Required For Loop Compensation
- Compatible with Ceramic Output Capacitors
Wide Input Voltage Range : 4.5 V to 18 V
Output Voltage Range: 0.76V to 7.0V
Highly Efficient Integrated FETs Optimized for
Low Duty Cycle Applications
- 90 mΩ (High Side) and 60 mΩ (Low Side)
High Initial Reference Accuracy
Supports Constant 3A at Both Channels
Low-Side r_DS(on) Loss-Less Current Sensing
Adjustabel Soft Start
Non-Sinking Pre-Biased Soft Start
700 kHz Switching Frequency
Cycle-by-Cycle Over-Current Limit Control
OCL/UVLO/TSD Protections
Hiccup Timer for Overload Protection
Adaptive Gate Drivers with Integrated Boost PMOS Switch
OCP Constant Due To Thermally Compensated r_DS(on)
with 4000ppm/°C
16-Pin HTSSOP, 16-Pin VQFN
Auto-Skip Eco-mode™ for High Efficiency at Light Load

D-CAP2 Control Mode
- Fast Transient Response
- No External Parts Required For Loop Compensation
- Compatible with Ceramic Output Capacitors
Wide Input Voltage Range : 4.5 V to 18 V
Output Voltage Range: 0.76V to 7.0V
Highly Efficient Integrated FETs Optimized for
Low Duty Cycle Applications
- 90 mΩ (High Side) and 60 mΩ (Low Side)
High Initial Reference Accuracy
Supports Constant 3A at Both Channels
Low-Side r_DS(on) Loss-Less Current Sensing
Adjustabel Soft Start
Non-Sinking Pre-Biased Soft Start
700 kHz Switching Frequency
Cycle-by-Cycle Over-Current Limit Control
OCL/UVLO/TSD Protections
Hiccup Timer for Overload Protection
Adaptive Gate Drivers with Integrated Boost PMOS Switch
OCP Constant Due To Thermally Compensated r_DS(on)
with 4000ppm/°C
16-Pin HTSSOP, 16-Pin VQFN
Auto-Skip Eco-mode™ for High Efficiency at Light Load

The TPS54395 is a dual, adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54395 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, and low standby current solution. The main control loops of the TPS54395 use 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 TPS54395 to maintain high efficiency during lighter load conditions. The TPS54395 is able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP, and ultra-low ESR, ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5V to 18V.

The TPS54395 is available in a 4.4 mm × 5 mm 16-pin TSSOP (PWP) and 4 mm x 4 mm 16-pin VQFN (RSA) package, and is specified for an ambient temperature range from –40°C to 85°C.

The TPS54395 is a dual, adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54395 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, and low standby current solution. The main control loops of the TPS54395 use 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 TPS54395 to maintain high efficiency during lighter load conditions. The TPS54395 is able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP, and ultra-low ESR, ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5V to 18V.

The TPS54395 is available in a 4.4 mm × 5 mm 16-pin TSSOP (PWP) and 4 mm x 4 mm 16-pin VQFN (RSA) package, and is specified for an ambient temperature range from –40°C to 85°C.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	3A Dual Channel Synchronous Step Down Switcher With Integrated FET datasheet (Rev. A)		29 may 2013
	User guide	TPS54395 Step-Down Converter Evaluation Module User's Guide (Rev. A)	PDF \| HTML	28 sep 2021

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

TPS54395EVM-057 — Módulo de evaluación TPS54395

The Texas Instruments TPS54395EVM-057 evaluation module (EVM) helps designers evaluate the performance of the TPS54395 4.5V to 18V Input, Dual 3A Output, Synchronous Step-Down Converter.

Guía del usuario: PDF | HTML