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The AP62600 is a 6A, synchronous buck converter with a wide input voltage range of 4.5V to 18V. The device fully integrates a 36mΩ highside power MOSFET and a 14mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.
The AP62600 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 AP62600 design is optimized for Electromagnetic Interference (EMI) reduction. The device has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high-frequency radiated EMI noise caused by MOSFET switching.
The device is available in a V-QFN2030-12 (Type A) package.
VIN: 4.5V to 18V
Output Voltage (VOUT): 0.6V to 7V
6A Continuous Output Current
0.6V ± 1% Reference Voltage
360μA Quiescent Current
Selectable Switching Frequency o 400kHz o 800kHz o 1.2MHz
Selectable Operation Modes o Pulse Frequency Modulation (PFM) o Ultrasonic Mode (USM) o Pulse Width Modulation (PWM)
Programmable Soft-Start Time
Proprietary Gate Driver Design for Best EMI Reduction
Precision Enable Threshold to Adjust UVLO
Protection Circuitry o Undervoltage Lockout (UVLO) o Cycle-by-Cycle Valley Current Limit o Thermal Shutdown
Environmental Compliance Legend: LFF: Pb-Free Finish and RoHS 5/6 TLFP: Totally Pb-Free Product and RoHS 6/6 LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free GREEN: Halogen-free and RoHS compliant RoHS: RoHS compliant but NOT halogen-free