Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 2A SOT-23-6 Thin, TSOT-23-6
The AP63200/AP63201/AP63203/AP63205 is a 2A, synchronous buck
converter with a wide input voltage range of 3.8V to 32V and fully
integrates a 125mΩ high-side power MOSFET and a 68mΩ low-side
power MOSFET to provide high-efficiency step-down DC/DC
conversion.
The AP63200/AP63201/AP63203/AP63205 device is easily used by
minimizing the external component count due to its adoption of peak
current mode control along with its integrated compensation network.
The AP63200/AP63201/AP63203/AP63205 has optimized designs for
Electromagnetic Interference (EMI) reduction. The converter features
Frequency Spread Spectrum (FSS) with a switching frequency jitter of
±6%, which reduces EMI by not allowing emitted energy to stay in any
one frequency for a significant period of time. It also has a proprietary
gate driver scheme to resist switching node ringing without sacrificing
MOSFET turn-on and turn-off times, which further erases highfrequency radiated EMI noise caused by MOSFET switching.
The device is available in a low-profile, TSOT26 package.
• VIN 3.8V to 32V
• 2A Continuous Output Current
• 0.8V ±1% Reference Voltage
• 22µA Ultralow Quiescent Current
• Switching Frequency
o 500kHz: AP63200 and AP63201
o 1.1MHz: AP63203 and AP63205
• Pulse Width Modulation (PWM) Regardless of Output Load
o AP63201
• Supports Pulse Frequency Modulation (PFM)
o AP63200, AP63203, and AP63205
o Up to 80% Efficiency at 1mA Light Load
o Up to 88% Efficiency at 5mA Light Load
• Fixed Output Voltage
o 3.3V: AP63203
o 5.0V: AP63205
• Proprietary Gate Driver Design for Best EMI Reduction
• Frequency Spread Spectrum (FSS) to Reduce EMI
• Precision Enable Threshold to Adjust UVLO
• Protection Circuitry
o Overvoltage Protection
o Cycle-by-Cycle Peak Current Limit
o Thermal Shutdown
• 12V and 24V distributed power bus supplies
• Flat screen TV sets and monitors
• Power tools and laser printers
• White goods and small home appliances
• FPGA, DSP, and ASIC supplies
• Home audios
• Network systems
• Set top boxes
• Gaming consoles
• Consumer electronics
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