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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.
5V and 12V Distributed Power Bus Supplies
Television Sets and Monitors
White Goods and Small Home Appliances
FPGA, DSP, and ASIC Supplies
General Purpose Point of Load
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