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ISL99227BFRZ-T

更新时间： 2024-09-20 01:03:19
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
17页 886K
描述
Smart Power Stage (SPS) Module with Integrated High Accuracy Current and Temperature Monitors

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中文翻译

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ISL99227BFRZ-T 技术参数

生命周期：Unknown零件包装代码：QFN
针数：32Reach Compliance Code：compliant
Factory Lead Time：17 weeks风险等级：5.66
Base Number Matches：1

ISL99227BFRZ-T 数据手册

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DATASHEET  
ISL99227, ISL99227B  
Smart Power Stage (SPS) Module with Integrated High Accuracy Current and  
Temperature Monitors  
FN8684  
Rev.3.00  
Oct 2, 2017  
The ISL99227 and ISL99227B are Smart Power Stage (SPS)  
Features  
compatible with Intersil’s ISL68xxx/69xxx Digital Multiphase  
• Input range: +4.5V to +18V  
(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.  
• 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  
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.  
• Comprehensive fault protection for high system reliability  
- High-side FET short and overcurrent protection  
- Over-temperature protection  
- V and V Undervoltage Lockout (UVLO)  
CC IN  
• Open-drain fault reporting output  
• Up to 2MHz switching frequency  
• Pb-free (RoHS compliant), 32 Ld 5x5 PQFN  
Applications  
Related Literature  
• For a full list of related documents, visit our website  
- ISL99227, ISL99227B product pages  
• 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  
+12V  
+5V  
BOOT  
PHASE  
VIN  
VCC  
PVCC  
LGCTRL  
SHOOT-  
THROUGH  
PROTECTION  
PWM  
IMON  
REFIN  
PWM  
CS#n  
L
OUT  
V
OUT  
SW  
ISL68xxx/  
ISL69xxx  
CONTROLLER  
CSRTN#n  
PVCC  
TMON  
SMART  
CONTROL  
TEMP  
EN  
FAULT#  
C
OUT  
ISL99227  
GND  
GND  
GND  
FIGURE 1. ISL99227 SIMPLIFIED APPLICATION BLOCK DIAGRAM  
FN8684 Rev.3.00  
Oct 2, 2017  
Page 1 of 17  
1234567...17

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