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Description

The AP62300/AP62301/AP62300T is a 3A, synchronous buck converter with a wide input voltage range of 4.2V to 18V. The device fully integrates a 75mΩ high-side power MOSFET and a 45mΩ lowside power MOSFET to provide high-efficiency step-down DC-DC conversion.

The AP62300/AP62301/AP62300T 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 AP62300/AP62301/AP62300T 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 highfrequency radiated EMI noise caused by MOSFET switching.

AP62300/AP62301 is available in a SOT563 and TSOT26 package. AP62300T is available in a TSOT26 package.

Product Specifications

Product Parameters

Type Buck
Efficiency 94 %
HS RDS(ON) 75 mΩ
LS RDS(ON) 45 mΩ
Frequency Typ 750 kHz
Minimum Input Voltage 4.2 V
Maximum Input Voltage 18 V
Output Current 3 A
Output Voltage 0.8 to 7 V
Quiescent Current Typ 0.155 mA
Shutdown Current Typ 1.5 µA

Technical Documents

Evaluation Boards and User Guides

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP62300TWU-7 Digi-Key Electronics 3000 8/8/2020 Buy Now United States
AP62300WU-7 Digi-Key Electronics 2905 8/8/2020 Buy Now United States
AP62300WU-7 Mouser Electronics Inc. 2940 8/8/2020 Buy Now United States
AP62300WU-EVM Digi-Key Electronics 7 8/8/2020 Buy Now United States
AP62300WU-EVM Mouser Electronics Inc. 3 8/8/2020 Buy Now United States
AP62300Z6-7 Mouser Electronics Inc. 2995 8/8/2020 Buy Now United States
AP62300Z6-EVM Digi-Key Electronics 10 8/8/2020 Buy Now United States
AP62300Z6-EVM Mouser Electronics Inc. 3 8/8/2020 Buy Now United States