AP64202 Series

3.8V TO 40V INPUT, 2A LOW IQ SYNCHRONOUS BUCK WITH INTERNAL COMPENSATION

Catalog

3.8V TO 40V INPUT, 2A LOW IQ SYNCHRONOUS BUCK WITH INTERNAL COMPENSATION

Part	Supplier Device Package	Topology	Operating Temperature [Max]	Operating Temperature [Min]	Qualification	Function	Number of Outputs	Current - Output	Voltage - Output (Min/Fixed)	Voltage - Output (Max) [Max]	Package / Case	Package / Case	Package / Case	Synchronous Rectifier	Output Configuration	Mounting Type	Grade	Frequency - Switching [Min]	Frequency - Switching [Max]	Voltage - Input (Min) [Min]	Output Type	Voltage - Input [Min]	Voltage - Input [Max]	Outputs and Type	Outputs and Type	Utilized IC / Part	Supplied Contents	Voltage - Output	Board Type	Regulator Topology	Main Purpose
Diodes Inc AP64202SP-13	8-SO-EP	Buck	85 °C	-40 °C	AEC-Q100	Step-Down	1	2 A	0.8 V	40 V	0.154 in	8-SOIC	3.9 mm		Positive	Surface Mount	Automotive	100 kHz	2.2 MHz	3.8 V	Adjustable
Diodes Inc AP64202SP-EVM								2 A														3.8 V	40 V	Non-Isolated	1	AP64202	Board(s)	1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5 V 12 V	Fully Populated	Buck	DC/DC Step Down

Catalog

3.8V TO 40V INPUT, 2A LOW IQ SYNCHRONOUS BUCK WITH INTERNAL COMPENSATION

Key Features

• VIN: 3.8V to 40V

• Output Voltage (VOUT): 0.8V to VIN

• 2A Continuous Output Current

• 8V ±1% Reference Voltage

• 25µA Low Quiescent Current (Pulse Frequency Modulation)

• Adjustable Switching Frequency: 100kHz to 2.2MHz

• External Clock Synchronization: 100kHz to 2.2MHz

• Adjustable Soft-Start Time

• 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 CircuitryUndervoltage Lockout (UVLO)Output Overvoltage Protection (OVP)Cycle-by-Cycle Peak Current LimitThermal Shutdown

• Undervoltage Lockout (UVLO)

• Output Overvoltage Protection (OVP)

• Cycle-by-Cycle Peak Current Limit

• Thermal Shutdown

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. "Green" Device (Note 3)

• An automotive-compliant part is available under separate datasheet (AP64202Q)

Description

The AP64202 is a 2A, synchronous buck converter with a wide input voltage range of 3.8V to 40V. The device fully integrates a 150mΩ high-side power MOSFET and an 80mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.