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ISL6545 Folha de dados (PDF) - Intersil Corporation

ISL6545 Datasheet PDF - Intersil Corporation
Nome de Peças ISL6545
Download  ISL6545 Download

Tamanho do Arquivo   369.25 Kbytes
página   16 Pages
Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Descrição Electrónicos 5V or 12V Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

ISL6545 Datasheet (PDF)

Go To PDF Page Download Folha de dados
ISL6545 Datasheet PDF - Intersil Corporation

Nome de Peças ISL6545
Download  ISL6545 Click to download

Tamanho do Arquivo   369.25 Kbytes
página   16 Pages
Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Descrição Electrónicos 5V or 12V Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

ISL6545 Folha de dados (HTML) - Intersil Corporation

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ISL6545 Detalhes do produto

The ISL6545 makes simple work out of implementing a
complete control and protection scheme for a DC/DC stepdown
converter driving N-Channel MOSFETs in a synchronous buck
topology. Since it can work with either 5V or 12V supplies, this
one IC can be used in a wide variety of applications within a
system. The ISL6545 integrates the control, gate drivers, output
adjustment, monitoring and protection functions into a single
8 Ld SOIC or 10 Ld DFN package.
The ISL6545 provides single feedback loop, voltage-mode
control with fast transient response. The output voltage can be
precisely regulated to as low as 0.6V, with a maximum
tolerance of ±1.0% over-temperature and line voltage
variations. A selectable fixed frequency oscillator (ISL6545 for
300kHz; ISL6545A for 600kHz) reduces design complexity,
while balancing typical application cost and efficiency.
The error amplifier features a 20MHz gain-bandwidth
product and 9V/µs slew rate which enables high converter
bandwidth for fast transient performance. The resulting
PWM duty cycles range from 0% to 100%.
Protection from overcurrent conditions is provided by
monitoring the rDS(ON) of the lower MOSFET to inhibit PWM
operation appropriately. This approach simplifies the
implementation and improves efficiency by eliminating the
need for a current sense resistor.

Features
• Operates from +5V or +12V Supply Voltage (for bias)
- 1.0V to 12V VIN Input Range (up to 20V possible with
restrictions; see Input Voltage Considerations)
- 0.6V to VIN Output Range
- Integrated Gate Drivers use VCC (5V to 12V)
- 0.6V Internal Reference; ±1.0% tolerance
• Simple Single-Loop Control Design
- Voltage-Mode PWM Control
- Drives N-Channel MOSFETs
- Traditional Dual Edge Modulator
• Fast Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Cycle
• Lossless, Programmable Overcurrent Protection
- Uses Lower MOSFET’s rDS(ON)
• Small Converter Size in 8 Ld SOIC or 10 Ld DFN
- 300kHz or 600kHz Fixed Frequency Oscillator
- Fixed Internal Soft-Start, Capable into a Pre-biased
Load
- Integrated Boot Diode
- Enable/Shutdown Function on COMP/SD Pin
- Output Current Sourcing and Sinking
• Pb-Free (RoHS Compliant)

Applications
• Power Supplies for Microprocessors or Peripherals
- PCs, Embedded Controllers, Memory Supplies
- DSP and Core Communications Processor Supplies
• Subsystem Power Supplies
- PCI, AGP; Graphics Cards; Digital TV
- SSTL-2 and DDR/DDR2/DDR3 SDRAM Bus
Termination Supply
• Cable Modems, Set Top Boxes, and DSL Modems
• Industrial Power Supplies; General Purpose Supplies
• 5V or 12V-Input DC/DC Regulators
• Low-Voltage Distributed Power Supplies




Nº de peça semelhante - ISL6545

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
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ISL6545 RENESAS-ISL6545 Datasheet
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ISL6545ACBZ RENESAS-ISL6545ACBZ Datasheet
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ISL6545ACRZ RENESAS-ISL6545ACRZ Datasheet
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ISL6545AIBZ RENESAS-ISL6545AIBZ Datasheet
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ISL6545AIRZ RENESAS-ISL6545AIRZ Datasheet
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Descrição semelhante - ISL6545

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
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ISL6545 RENESAS-ISL6545 Datasheet
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Intersil Corporation
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ISL6520 INTERSIL-ISL6520_07 Datasheet
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ISL6406 RENESAS-ISL6406 Datasheet
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Sobre a Intersil Corporation


A Intersil Corporation era uma empresa de semicondutores americanos especializada no design e fabricação de circuitos analógicos de alto desempenho e integrados de sinal misto.
A empresa foi fundada em 1967 e era conhecida por sua experiência em gerenciamento de energia, conversão de dados e tecnologias de radiofrequência (RF).
Os produtos da Intersil foram usados ​​em uma ampla gama de aplicações, como eletrônicos de consumo, industrial, telecomunicações e aeroespacial e defesa.
Em 2016, a Intersil foi adquirida pela Renesas Electronics Corporation, uma empresa de semicondutores japoneses.
A marca Intersil e a tecnologia continuam sendo desenvolvidas e vendidas como parte do portfólio de produtos da Renesas.

*Esta informação é apenas para fins informativos gerais, não seremos responsáveis por qualquer perda ou dano causado pelas informações acima.




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