TPS2069D Texas instruments

TPS2069D

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TPS2069D

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Описание

The TPS2069D power-distribution switch family is intended for applications such as USB where heavy capacitive loads and short circuits are likely to be encountered. The device can continuously deliver up to 1.5 A output current. The TPS2069D limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

Single Power Switch Family
Rated currents of 1.5 A
±20% Accurate, Fixed, Constant Current Limit
Fast Overcurrent Response: 2 µs
Deglitched Fault Reporting
Output Discharge
Reverse Current Blocking
Built-in Soft Start
Ambient Temperature Range: –40°C to 85°C
UL Listed and CB-File No. E169910

Product type	Fixed current limit, Power switch
Vin (min) (V)	4.5
Vin (max) (V)	5.5
Continuous current (max) (A)	1.5
Current limit (A)	2.15
Operating temperature range (°C)	-40 to 105
Enable	Active High
Number of switches	1
Current limit accuracy at 1 A	0.2
Rating	Catalog