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4.2V TO 18V INPUT, 2A LOW IQ SYNCHRONOUS BUCK CONVERTER, PFM/PWM, VREF 0.763V
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The AP62200 is a 2A, synchronous buck converter with a wide input voltage range of 4.2V to 18V. The device fully integrates a 90mΩ high-side power MOSFET and a 65mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion.
The AP62200 device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple.
The AP62200 design is optimized for Electromagnetic Interference (EMI) reduction. It has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turnoff times, which reduces high-frequency radiated EMI noise caused by MOSFET switching.
The device is available in a SOT563 or TSOT26 package.
o Undervoltage Lockout (UVLO)
o Cycle-by-Cycle Valley Current Limit
o Thermal Shutdown
|Compliance(Only Automotive supports PPAP)||Standard|
|Minimum Input Voltage (V)||4.2|
|Maximum Input Voltage (V)||18|
|Output Current (A)||2|
|Minimum Output Voltage (V)||0.763|
|Maximum Output Voltage (V)||7|
|Quiescent Current Typ (µA)||135|
|Shutdown Current Typ (µA)||1.3|
|Frequency Typ (kHz)||750|
|HS RDS(ON) (mΩ)||90|
|LS RDS(ON) (mΩ)||65|
|Features||Enable,Light Load Efficiency,Soft-start Fixed,UVLO Adjustable,Overcurrent Protection,Thermal Shutdown,Synchronous Rectification|