TPS51317

Name: TPS51317
Brand: TI
SKU: TPS51317
Price: 1.594 USD

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Synchroner Abwärtswandler, 3,3 bis 5 V Eingangsspannung, 6 A, D-CAP+-Modus

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Datenblatt

document-pdfAcrobat 3.3-V/5-V Input, 6A, D-CAP+ Mode Synchronous Step-down Integrated FETs Converter datasheet (Englisch)

TPS51317

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Rating

Catalog

Topology

Buck

Iout (max) (A)

6

Vin (max) (V)

5

Vin (min) (V)

3.3

Vout (max) (V)

2

Vout (min) (V)

0.6

Features

Enable, Light load efficiency, Output discharge, Power good, Synchronous Rectification, Tracking

Control mode

D-CAP+

Switching frequency (min) (kHz)

800

Switching frequency (max) (kHz)

1500

Operating temperature range (°C)

-40 to 85

Iq (typ) (µA)

1100

Duty cycle (max) (%)

90

Type

Converter

Rating

Catalog

Topology

Buck

Iout (max) (A)

6

Vin (max) (V)

5

Vin (min) (V)

3.3

Vout (max) (V)

2

Vout (min) (V)

0.6

Features

Enable, Light load efficiency, Output discharge, Power good, Synchronous Rectification, Tracking

Control mode

D-CAP+

Switching frequency (min) (kHz)

800

Switching frequency (max) (kHz)

1500

Operating temperature range (°C)

-40 to 85

Iq (typ) (µA)

1100

Duty cycle (max) (%)

90

Type

Converter

VQFN (RGB)

20

14 mm² 4 x 3.5

Integrated FETs Converter w/TI Proprietary D-CAP+ Mode Architecture
Minimum External Components Count
Integrated FETs Converter w/TI Proprietary D-CAP+ Mode Architecture
Support all MLCC Output Capacitor and SP/POSCAP
Auto-Skip Mode and Ripple Reduction Mode
Optimized Efficiency at Light and Heavy Loads
Selectable 800-kHz, 1-MHz, 1.2-MHz and 1.5-MHz Frequency
Up to 6.0-V Conversion Voltage Range
Adjustable Output Voltage Range From 0.6 V to 2 V
Small 3.5 mm × 4 mm, 20-Pin QFN Package

Integrated FETs Converter w/TI Proprietary D-CAP+ Mode Architecture
Minimum External Components Count
Integrated FETs Converter w/TI Proprietary D-CAP+ Mode Architecture
Support all MLCC Output Capacitor and SP/POSCAP
Auto-Skip Mode and Ripple Reduction Mode
Optimized Efficiency at Light and Heavy Loads
Selectable 800-kHz, 1-MHz, 1.2-MHz and 1.5-MHz Frequency
Up to 6.0-V Conversion Voltage Range
Adjustable Output Voltage Range From 0.6 V to 2 V
Small 3.5 mm × 4 mm, 20-Pin QFN Package

The TPS51317 is a fully integrated synchronous buck regulator employing D-CAP+™ mode architechture. It is used for 3.3-V and 5-V step-down systems where space is a consideration, high-performance and optimized component count are required.

The TPS51317 features four switching frequency settings (up to 1.5 MHz), synchronous operation in SKIP, droop support, external tracking support, pre-bias startup, output soft discharge, integrated bootstrap switch, power good function, enable function and complete protection functions, and both output ceramic and SP/POS capacitor support. It supports supply and conversion voltages up to 6.0 V, and output voltages adjustable from 0.6 V to 2.0V.

The TPS51317 is available in the 3.5 mm × 4 mm 20-pin QFN package (Green RoHs compliant and Pb free) and is specified from -40°C to 85°C.

The TPS51317 is a fully integrated synchronous buck regulator employing D-CAP+™ mode architechture. It is used for 3.3-V and 5-V step-down systems where space is a consideration, high-performance and optimized component count are required.

The TPS51317 features four switching frequency settings (up to 1.5 MHz), synchronous operation in SKIP, droop support, external tracking support, pre-bias startup, output soft discharge, integrated bootstrap switch, power good function, enable function and complete protection functions, and both output ceramic and SP/POS capacitor support. It supports supply and conversion voltages up to 6.0 V, and output voltages adjustable from 0.6 V to 2.0V.

The TPS51317 is available in the 3.5 mm × 4 mm 20-pin QFN package (Green RoHs compliant and Pb free) and is specified from -40°C to 85°C.

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	Typ	Titel		Datum
*	Data sheet	3.3-V/5-V Input, 6A, D-CAP+ Mode Synchronous Step-down Integrated FETs Converter datasheet		19 Feb 2011

Design und Entwicklung

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