TPS56528

Name: TPS56528
Brand: TI
SKU: TPS56528
Price: 0.607 USD

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Convertidor reductor síncrono de entrada de 4.5 V a 18 V y 5 A con Eco-Mode™ avanzado

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Hoja de datos

document-pdfAcrobat TPS56528 4.5-V to 18-V Input, 5-A Synchronous Step-Down Converter With Advanced Eco-Mode™ datasheet (Rev. B) (Inglés) PDF | HTML

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Detalles del producto

Rating

Catalog

Topology

Buck

Iout (max) (A)

5

Vin (max) (V)

18

Vin (min) (V)

4.5

Vout (max) (V)

7

Vout (min) (V)

0.6

Features

Enable, Light-load efficiency, Soft-start fixed, Synchronous rectification

Control mode

D-CAP2

Switching frequency (min) (kHz)

650

Switching frequency (max) (kHz)

650

Operating temperature range (°C)

-40 to 125

Iq (typ) (µA)

250

Duty cycle (max) (%)

65

Type

Converter

Rating

Catalog

Topology

Buck

Iout (max) (A)

5

Vin (max) (V)

18

Vin (min) (V)

4.5

Vout (max) (V)

7

Vout (min) (V)

0.6

Features

Enable, Light-load efficiency, Soft-start fixed, Synchronous rectification

Control mode

D-CAP2

Switching frequency (min) (kHz)

650

Switching frequency (max) (kHz)

650

Operating temperature range (°C)

-40 to 125

Iq (typ) (µA)

250

Duty cycle (max) (%)

65

Type

Converter

HSOIC (DDA)

8

29.4 mm² 4.9 x 6

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: 0.6 V to 7 V
Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications –68 mΩ (High-Side) and 37 mΩ (Low-Side)
High Efficiency, Less Than 10 µA at Shutdown
High Initial Band-Gap Reference Accuracy
Prebiased Soft Start
650-kHz Switching Frequency (f_SW)
Cycle-By-Cycle Overcurrent Limit
Advanced Auto-Skip Eco-Mode™ for High Efficiency at Light Load
Power Good Output
Fixed Soft Start: 1 ms

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: 0.6 V to 7 V
Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications –68 mΩ (High-Side) and 37 mΩ (Low-Side)
High Efficiency, Less Than 10 µA at Shutdown
High Initial Band-Gap Reference Accuracy
Prebiased Soft Start
650-kHz Switching Frequency (f_SW)
Cycle-By-Cycle Overcurrent Limit
Advanced Auto-Skip Eco-Mode™ for High Efficiency at Light Load
Power Good Output
Fixed Soft Start: 1 ms

The TPS56528 device is an adaptive on-time D-CAP2&rade; mode synchronous buck converter. The TPS56528 enables system designers to complete the suite of various end-equipment power bus regulators with a cost-effective, low component count, low standby current solution. The main control loop for the TPS56528 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and advanced Eco-Mode™ operation at light loads. Advanced Eco-Mode™ allows the TPS56528 to maintain high efficiency during lighter load conditions. The TPS56528 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or 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 0.6 V and 7 V. The device also features a fixed 1-ms soft-start time and power good output. The TPS56528 is available in the 8-pin SO PowerPAD™ package, and designed to operate from –40°C to 85°C.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	TPS56528 4.5-V to 18-V Input, 5-A Synchronous Step-Down Converter With Advanced Eco-Mode™ datasheet (Rev. B)	PDF \| HTML	30 nov 2016
	Selection guide	Buck Converter Quick Reference Guide (Rev. B)		08 abr 2021
	Analog Design Journal	Agency requirements for stand-by power consumption w/ offline and PoL converters		26 ene 2016

Diseño y desarrollo

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