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APL3553
Active
USB Power-Distribution Switches
Features
General Description
The APL3553 series of power switches are designed for USB applications. The 62mΩ N-channel MOSFET power switch satisfies the voltage drop requirements of USB specification. The protection features include current-limit protection, short-circuit protection, and over-temperature protection. The device limits the output current at current limit threshold level. When VOUT drops below VIN-1V, the devices limit the current to a lower and safe level. The over-temperature protection limits the junction temperature below 140oC in case of short circuit or over load conditions. Other features include a deglitched OCB output to indicate the fault condition and an enable input to enable or disable the device.
Features
- 62mΩ Power Switch On Resistance
- Wide Supply Voltage Range: 2.7V to 5.5V
- Fix Current Limit Protection
- Fast Over Current Response: 2us (typ.)
- Over-Temperature Protection
- Fault Indication Output
- Enable Input
- Built-in Soft-Start
- Reverse Input-Output Voltage Protection: 25mV (typ.)
- UL Approved-File No. E328191
- UL-CB Scheme IEC/EN62368-1 Certified
- TUV IEC/EN62368-1 Certified
General Description
The APL3553 series of power switches are designed for USB applications. The 62mΩ N-channel MOSFET power switch satisfies the voltage drop requirements of USB specification. The protection features include current-limit protection, short-circuit protection, and over-temperature protection. The device limits the output current at current limit threshold level. When VOUT drops below VIN-1V, the devices limit the current to a lower and safe level. The over-temperature protection limits the junction temperature below 140oC in case of short circuit or over load conditions. Other features include a deglitched OCB output to indicate the fault condition and an enable input to enable or disable the device.
