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Part Number Package & Pins No. of Channel External Power Switch Type Input Voltage (V)-min Input Voltage (V)-max Quescint Current (μA) Wrong Input Voltage Protection Inpute Voltage UVLO SCP OCP OVP UVP EN High/Low EN POK
ALL
APL3542AH TDFN3x3-10 1 N-Channel MOSFET 5 26 500 Yes Yes Yes Yes Yes Yes Yes H Yes
APL3540 SOP-8
TDFN2x2-8
1 N-Channel MOSFET 10 26 750 Yes Yes Yes Yes Yes Yes Yes H Yes
APL3542A TDFN3x3-10 1 N-Channel MOSFET 5 26 500 Yes Yes Yes Yes Yes Yes Yes H Yes
APL3542AH
Active
High-Side Power Distribution Controller

Features
  • High-Side Driver for an External N-Channel MOSFET
  • Under-Voltage Lockout (UVLO)
  • Wrong VIN Input Voltage Protection
  • Output Under-Voltage Protection (UVP)
  • Short-Circuit Protection During Power-up (SCP)
  • Over-Current Protection (OCP)
  • Selectable VIN Monitor Voltage
  • Shutdown Function
  • Power Okay (POK) Function
  • Lead Free and Green Device Available (RoHS Compliant)
  • Design Reference for AEC Q100 Grade 1 Compliant

General Description
APL3542AH is a high-side power distribution controller for an external N-channel MOSFET, allow for +12V, +19V or +5V power-supply rail. The wrong input voltage protection function protects a wrong input adapter insertion, when input voltage is out of the target input voltage range the IC is off. The over-current protection monitors the output current by using the voltage drop across the external sensing resistor, when output current reaches the trip point the IC will be shut down. The APL3542AH also provides a shortcircuit protection during power-up. The device monitors VOUT voltages for a short-circuit detection, if a short-circuit condition is detected the IC will be shut down. Other features include a POK output to indicate the output voltage is ready, and a logic-controlled shutdown mode.
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APL3540
Active
High-Side Power Distribution Controller

Features
  • High-Side Driver for an External N-Channel MOSFET
  • Under-Voltage Lockout (UVLO)
  • Wrong VIN Input Voltage Protection
  • Output Under-Voltage Protection (UVP)
  • Short-Circuit Protection During Power-Up (SCP)
  • Over-Current Protection (OCP)
  • Shutdown Function
  • Power-Ok (POK) Function
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
APL3540 is a high-side power distribution controller for an external N-channel MOSFET, allow for +12V and +19V power-supply rails. The wrong input voltage protection function protects a wrong input adapter insertion. When input voltage is out of the target input voltage range, the IC is off. The built-in under-voltage protection monitors the output voltage for short-circuit conditions. When output voltage is less than 70% of VIN voltage, the IC will be shut down. The over-current protection monitors the output current by using the voltage drop across the external MOSFET’s RDS(ON). When output current reaches the trip point, the IC will be shut down. The APL3540 also provides a shortcircuit protection during power-up. The device monitors DRV and VOUT voltages for a short-circuit detection. If a short-circuit condition is detected, the IC will be shut down. Other features, including a POK output which indicates that the output voltage is ready and a logic-controlled shutdown mode.
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APL3542A
Active
High-Side Power Distribution Controller

Features
  • High-Side Driver for an External N-Channel MOSFET
  • Under-Voltage Lockout (UVLO)
  • Wrong VIN Input Voltage Protection
  • Output Under-Voltage Protection (UVP)
  • Short-Circuit Protection During Power-up (SCP)
  • Over-Current Protection (OCP)
  • Selectable VIN Monitor Voltage
  • Shutdown Function
  • Power Okay (POK) Function
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
APL3542A is a high-side power distribution controller for an external N-channel MOSFET, allow for +12V, +19V or +5V power-supply rail. The wrong input voltage protection function protects a wrong input adapter insertion, when input voltage is out of the target input voltage range the IC is off. The over-current protection monitors the output current by using the voltage drop across the external sensing resistor, when output current reaches the trip point the IC will be shut down. The APL3542A also provides a shortcircuit protection during power-up. The device monitors VOUT voltages for a short-circuit detection, if a short-circuit condition is detected the IC will be shut down. Other features include a POK output to indicate the output voltage is ready, and a logic-controlled shutdown mode.
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