MAX8536Maxim IntegratedORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power SuppliesSimplest, smallest OR-ing MOSFET Controllers with Fastest Reverse-Current Protection
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MAX8536Maxim Integrated
制造商:
Maxim Integrated
制造商型号#:
MAX8536
百芯编号#:
CM1435738082
价格(CNY):
百芯库存:
274
个
库存地点:
可供应量:
174
个在库
此为供应商库存，需要与销售确认
产品描述:
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power SuppliesSimplest, smallest OR-ing MOSFET Controllers with Fastest Reverse-Current Protection
Critical loads often employ parallel-connected power supplies with redundancy in order to enhance system reliability. The MAX8535/MAX8536/MAX8585 are highly integrated but inexpensive MOSFET controllers that provide isolation and redundant power capability in high-reliability systems. The MAX8535/MAX8585 are used in 12V systems, and have an internal charge pump to drive the gates of the n-channel pass elements to VCC \+ 10V. The MAX8536 is used in 3.3V and 5V systems, with a chargepump output of VCC \+ 5V.
During startup, the MAX8535/MAX8536/MAX8585 monitor the voltage drop across external MOSFETs. Once VCC approaches or exceeds the bus voltage, the MOSFETs are turned on. The MAX8535/MAX8536/MAX8585 feature a dual-purpose TIMER input. A single external resistor from TIMER to ground sets the turn-on speed of the external MOSFETs. Optionally, the TIMER input can be used as a logic-enable pin. Once the device is turned on, the MAX8535/MAX8536/MAX8585 monitor the load, protecting against overvoltage, undervoltage, and reverse-current conditions.
Overvoltage and undervoltage fault thresholds are adjustable and can be disabled. The current-limit trip points are set by the external MOSFETs" RDS(ON), reducing component count. An open-drain logic-low fault output indicates if an overvoltage, undervoltage, or reverse-current fault occurs.
All devices come in a space-saving 8-pin µMAX® package and are specified over the extended -40°C to +85°C temperature range.
