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IC manufacturers Diodes Incorporated

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reference designAP62200TWU-7 | Demoboard AP62200TWU-EVM

Diodes Incorporated AP62200TWU-7 | Demoboard AP62200TWU-EVM

18V, 2A, Low Iq, COT Synchronous DC/DC Buck Converter

Overview

TopologyBuck Converter
Input voltage4.2-18 V
Output 17 V / 2 A
IC revisionRev 1-1

Description

The AP62200/AP62201/AP62200T is a 2A, synchronous buck converter with a wide input voltage range of 4.2V to 18V. The device fully integrates a 90mΩ high-side power MOSFET and a 65mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion. The AP62200/AP62201/AP62200T 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.

Features

  • VIN Range: 4.2V -18V
  • Output Voltage range: 0.8V to 7V
  • 2A Continuous Output Current
  • 0.8V ± 1% Reference Voltage (TA = +25°C) => AP62200 and AP62201
  • 0.7625V ± 1% Reference Voltage (TA = +25°C) => AP62200T
  • 135µA Low Quiescent Current
  • 740kHz Switching Frequency
  • Proprietary Gate Driver Design for Best EMI Reduction
  • Protection Circuitry-Undervoltage Lockout (UVLO)-Cycle-by-Cycle Valley Current Limit-Thermal Shutdown
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Typical applications

  • Network Systems, General Purpose Point of Load
  • Flat Screen TV Sets and Monitor, Set Top Boxes, Consumer Electronics

More information

Parts approved by Diodes Incorporated

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7447797470
SPECWE-PDF SMT Power Inductor, 4.7 µH, 6.2 A
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PDF SMT Power Inductor
Inductance4.7 µH
Rated Current6.2 A
Saturation Current8 A
DC Resistance19.5 mΩ
Self Resonant Frequency45 MHz
MountSMT 
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