Diodes Incorporated AP64200 Buck Converter

Diodes Incorporated AP64200 Buck Converter offers a wide input voltage range of 3.8V to 40V in a SO-8EP (Standard) package. The AP64200 fully integrates a 150mΩ high-side power MOSFET and an 80mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion. The AP64200 device is easily used by minimizing the external component count via the peak current mode control.

The Diodes Inc AP64200 Buck Converter has an optimized design for Electromagnetic Interference (EMI) reduction.

The AP64200 Converter 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 AP64200 also 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 time.

Features

3.8V to 40V VIN
0.8V to VIN Output voltage (VOUT)
2A Continuous output current
0.8V ±1% Reference voltage
25µA Low quiescent current (Pulse frequency modulation)
100kHz to 2.2MHz Adjustable switching frequency
100kHz to 2.2MHz External clock synchronization
Up to 88% efficiency at 5mA light load
Proprietary gate driver design for best EMI reduction
Frequency Spread Spectrum (FSS) to reduce EMI

Low-Dropout (LDO) mode
Precision enable threshold to adjust UVLO
Protection circuitry
- Undervoltage Lockout (UVLO)
- Output Overvoltage Protection (OVP)
- Cycle-by-cycle peak current limit
- Thermal shutdown
Totally lead-free and fully RoHS compliant
Halogen and antimony free

Applications

Distributed power bus supplies
Power tools and laser printers
White goods and small home appliances
Home audio

Network systems
Consumer electronics
General purpose point of load

Diodes Incorporated AP64200 Buck Converter

Features

Applications

Typical Application Circuit

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