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ISL91301B

更新时间： 2024-11-11 14:57:31
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
60页 3247K
描述
Quad Output Power Management IC

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中文翻译

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ISL91301B 数据手册

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DATASHEET  
ISL91301A, ISL91301B  
Triple/Quad Output Power Management IC  
FN8966  
Rev.4.01  
Feb 20, 2020  
The ISL91301A is a 4-phase, three output programmable  
Power Management IC (PMIC) and the ISL91301B is a  
4-phase, four output programmable PMIC. They are  
optimized with highly efficient, synchronous buck  
converters capable of multiphase and single-phase  
operations. The devices can deliver 4A per phase  
continuous output current for 2.8V to 5.5V supply  
voltages or 3A per phase current for wider 2.5V to 5.5V  
supply voltages. It features four buck controllers and can  
reconfigure its power stages to these controllers. This  
flexibility allows seamless design-in for a wide range of  
applications that require high output power and small  
solution size.  
Features  
• Triple output 2+1+1 phases (ISL91301A) or quad  
output single phase (ISL91301B)  
• 4A per phase for the 2.8V to 5.5V supply voltage,  
VIN_SEL = AVIN  
• 3A per phase for the 2.5V to 5.5V supply voltage,  
VIN_SEL = GND  
• Small solution size  
• High efficiency (93% for 3.8V /1.8V  
)
IN  
OUT  
• Low IQ in low power mode  
• Proprietary control scheme reduces output capacitor and  
supports fast load transient (such as 50A/μs per phase)  
• ±0.7% system accuracy, remote voltage sensing  
The ISL91301A and ISL91301B integrate low  
ON-resistance MOSFETs and programmable PWM  
frequency, allowing the use of very small external  
inductors and capacitors. They feature automatic Diode  
Emulation and Pulse Skipping modes under light-load  
conditions to further improve efficiency and maximize  
battery life. The ISL91301A and ISL91301B feature a  
controller based on the proprietary Renesas R5  
technology which provides tight output accuracy and  
load regulation, ultra-fast transient response, seamless  
DCM/CCM transitions, and requires no external  
compensation.  
• Programmable PWM frequency from 2MHz to 6MHz  
2
• I C programmable output from 0.3V to 2V  
• Independent Dynamic Voltage Scaling (DVS) for each  
output  
• Soft-start and fault detection (UV, OV, OC, OT),  
short-circuit protection  
• 2.570mmx2.919mm 42 ball WLCSP with 0.4mm  
pitch  
Applications  
• Smartphones, AR/VR glasses, drones  
• Optical transceiver modules  
In addition to the standard interrupt, chip enable, and  
watchdog reset functions, the ISL91301A and ISL91301B  
also feature four MPIOs and two GPIOs capable of  
supporting SPI, I C communication protocol, and various  
other pin mode functions.  
• Artificial Intelligence (AI) processors  
• Client/enterprise/data center SSD, NAS  
2
Related Literature  
For a full list of related documents, visit our website  
• ISL91301A, ISL91301B device pages  
95  
90  
85  
80  
95  
90  
85  
80  
Vin = 3.0V  
Vin = 3.8V  
Vin = 5.5V  
Vin = 3.0V  
Vin = 3.8V  
Vin = 5.5V  
75  
75  
70  
0.10  
70  
0.10  
1.00  
Current (A)  
10.00  
1.00  
Current (A)  
Figure 1. Dual Phase Efficiency (VOUT = 1.8V),  
Load Sweep (0.1A to 8A)  
Figure 2. Single Phase Efficiency (VOUT = 1.8V),  
Load Sweep (0.1A to 4A)  
FN8966 Rev.4.01  
Feb 20, 2020  
Page 1 of 59  
1234567...60

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