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The ISL99227 and ISL99227B are Smart Power Stage (SPS) compatible with Intersil’s ISL68xxx/69xxx Digital Multiphase (DMP) controllers and phase doubler (ISL6617A), respectively. The ISL99227 and ISL99227B have integrated high accuracy current and temperature monitors that can be fed back to the controller and doubler to complete a multiphase DC/DC system. They simplify design and increase performance by eliminating the DCR sensing network and associated thermal compensation. Light-load efficiency is supported through a dedicated LFET control pin. An industry leading thermally enhanced 5x5 PQFN package allows minimal overall PCB real estate.
The ISL99227 and ISL99227B feature a 3.3V compatible, 5.0V compatible tri-state PWM input that, working together with Intersil’s multiphase PWM controllers, provide a robust solution in the event of abnormal operating conditions. The ISL99227 and ISL99227B also improve system performance and reliability with integrated fault protection of UVLO, over-temperature, and overcurrent. An open-drain fault reporting pin simplifies the handshake between SPS and Intersil controllers and can be used to disable the controller during start-up and fault conditions.
Features
• Input range: +4.5V to +18V
• Supports 60A DC current
• ISL99227 with 3.3V compatible tri-state PWM input
• ISL99227B with 5.0V compatible tri-state PWM input
• Downslope current sensing
• ±3% accuracy current monitor (IMON) with REFIN input
• 8mV/°C temperature monitor with OT flag
• Dedicated low-side FET control input
• Comprehensive fault protection for high system reliability
- High-side FET short and overcurrent protection
- Over-temperature protection
- VCC and VIN Undervoltage Lockout (UVLO)
• Open-drain fault reporting output
• Up to 2MHz switching frequency
• Pb-free (RoHS compliant), 32 Ld 5x5 PQFN
Applications
• High frequency and high efficiency VRM and VRD
• Core, graphic, and memory regulators for microprocessors
• High density VR for server, networking, and cloud computing
• POL DC/DC converters and video gaming consoles
specification of ISL99227FRZ-T
Category
Integrated Circuits (ICs) Interface Modules
Function
Controller
Interface
PWM
Voltage - Supply
4.5V ~ 18V
Current - Supply
4.75 mA
Operating Temperature
-40°C ~ 125°C
Package / Case
32-PowerWFQFN
Supplier Device Package
32-PQFN (5x5)
ORIGINAL
Our company ensures that each batch of products comes from the original factory, and can provide original labels and professional testing agency reports.
PRICE
We provide a variety of quotation channels, and sign the order contract after negotiation.
TRANSACTION
After communication and agreement, we will guide you to arrange payment.
DELIVERY CYCLE
Delivery on the same day, generally 5-12 working days, may be slightly delayed during the epidemic, we will follow up the whole process.
TRANSPORT
We will choose the appropriate transportation mode according to your country.
PACKAGING
After communication with you, we will choose the appropriate packaging method according to the weight of the goods to ensure the safe delivery of the goods.
Shenzhen Xinyuanpeng Technology Co., Ltd. is a special distributor focusing on electronic components of global famous brands.
It mainly distributes TI, ST, RENESAS, INFINEON, MICROCHIP, NXP, ON, DIODES and other domestic and foreign brands, and is a well-known wholesaler and channel pro... Shenzhen Xinyuanpeng Technology Co., Ltd. is a special distributor focusing on electronic components of global famous brands.
It mainly distributes TI, ST, RENESAS, INFINEON, MICROCHIP, NXP, ON, DIODES and other domestic and foreign brands, and is a well-known wholesaler and channel pro...
