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reference designAP62600 | Demoboard AP62600SJ-EVM

Diodes Incorporated AP62600 | Demoboard AP62600SJ-EVM

4.5V TO 18V INPUT, 6A FULL FEATURE SET SYNCHRONOUS BUCK CONVERTER

Overview

TopologyBuck Converter
Input voltage4.5-18 V
Switching frequency400-1200 kHz
Output 11.05 V / 6 A
Output 21.2 V / 6 A
IC revision1.1

Description

The AP62600 is a 6A, synchronous buck converter with a wide input voltage range of 4.5V to 18V. The device fully integrates a 36mΩ highside power MOSFET and a 14mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.The AP62600 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 AP62600 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 high-frequency radiated EMI noise caused by MOSFET switching.The device is available in a V-QFN2030-12 (Type A) package.

Features

  • VIN: 4.5V to 18V
  • Output Voltage (VOUT): 0.6V to 7V
  • 6A Continuous Output Current
  • 0.6V ± 1% Reference Voltage
  • 360μA Quiescent Current
  • Selectable Switching Frequency
  • 400kHz
  • 800kHz
  • 1.2MHzSelectable Operation Modes
  • Pulse Frequency Modulation (PFM)
  • Ultrasonic Mode (USM)
  • Pulse Width Modulation (PWM)
  • Programmable Soft-Start Time
  • Proprietary Gate Driver Design for Best EMI Reduction
  • Power-Good Indicator
  • Precision Enable Threshold to Adjust UVLO
  • Protection Circuitry
  • Undervoltage Lockout (UVLO)
  • Cycle-by-Cycle Valley Current Limit
  • Thermal Shutdown

Typical applications

  • General Purpose Point of Load
  • Network Systems
  • 5V and 12V Input Distributed Power Bus Supplies, FPGA, DSP, and ASIC Supplies
  • Television Sets and Monitors, White Goods and Small Home Appliances, Home Audio, Consumer Electronics

More information

Parts approved by Diodes Incorporated

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
Material
LR(µH)
fres(MHz)
SamplesAvailability & Sample
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7443330047
SPECWE-HCC SMT High Current Cube Inductor, 0.47 µH, 31.3 A

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCC SMT High Current Cube Inductor
Inductance0.47 µH
Performance Rated Current31.3 A
Saturation Current @ 10%46.5 A
Saturation Current @ 30%54.9 A
DC Resistance1.85 mΩ
MaterialFerrite 
Rated Inductance0.47 µH
Self Resonant Frequency160 MHz
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