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AP2553A Key Features

  • Up to 2.1A Maximum Load Current
  • Accurate Adjustable Current Limit, 75mA to 2365mA
  • ±6% Accurate Adjustable Current Limit, 1.632A with RLIM = 15kΩ
  • Constant-Current (AP2552/53) During Over-Current
  • Output Latch-Off (AP2552A/53A) at Over-Current
  • Fast Short-Circuit Response Time: 2µs (Typ.)
  • Reverse Current Blocking During Shutdown and Reverse
  • Operating Range: 2.7V to 5.5V
  • Built-in Soft-Start with 3ms Typical Rise Time
  • Over-Current, Output Over-Voltage and Thermal Protection

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AP2553A Description

The AP2552/53 and AP2552A/53A are single channel precision adjustable current-limited switches optimized for applications that require precision current limiting, or to provide up to 2.1A of continuous load current during heavy loads/short circuits. These devices offer a programmable current-limit threshold between 75mA and 2.36A (Typ.) via an external resistor. Current limit accuracy ±6% can be achieved at high...

AP2553A Applications

  • Up to 2.1A Maximum Load Current
  • Accurate Adjustable Current Limit, 75mA to 2365mA
  • ±6% Accurate Adjustable Current Limit, 1.632A with RLIM = 15kΩ