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Description

The AP61100Q/AP61102Q is an automotive-compliant, 1A, synchronous buck converter with a wide input voltage range of 2.3V to 5.5V. The device fully integrates a 110mΩ high-side power MOSFET and an 80mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.

The AP61100Q/AP61102Q 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 device is available in a SOT563 package.

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results
  • Device Temperature Grade 1: -40°C to +125°C TA Range
  • Device HBM ESD Classification Level H3A
  • Device CDM ESD Classification Level C5
  • VIN: 2.3V to 5.5V
  • Output Voltage (VOUT): 0.6V to 3.6V
  • 1A Continuous Output Current
  • 0.6V ± 2% Reference Voltage
  • 15μA Low Quiescent Current (Pulse Frequency Modulation)
  • 2.2MHz Switching Frequency (VIN = 5V, VOUT = 1.8V)
  • Up to 89% Efficiency at 5mA Light Load
  • Programmable Operation Mode Through EN
  • Pulse Frequency Modulation
  • Pulse Width Modulation Regardless of Output Load
  • Power-Good Indicator
  • AP61102Q
  • Protection Circuitry
  • Undervoltage Lockout (UVLO)
  • VIN Overvoltage Protection (OVP)
  • Peak Current Limit
  • Valley Current Limit
  • Thermal Shutdown
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • The AP61100Q and AP61102Q are suitable for automotive applications requiring specific change control; these parts are AEC-Q100 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. https://www.diodes.com/quality/product-definitions/

Product Specifications

Product Parameters

Type Buck
Efficiency 95 %
HS RDS(ON) 110 mΩ
LS RDS(ON) 80 mΩ
Frequency Typ 2200 kHz
Minimum Input Voltage 2.3 V
Maximum Input Voltage 5.5 V
Output Current 1 A
Output Voltage ADJ V
Quiescent Current Typ 0.015 mA
Shutdown Current Typ 0.1 µA

Related Content

Packages
SOT563

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Orderable Part Number Buy from Distributor / Contact Sales Request Samples
AP61102QZ6-7

AP61102QZ6-7

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Digi-Key Electronics 3000 11/25/2020 Europe, Asia, North America Buy Now
Mouser Electronics Inc. 3000 11/25/2020 South America, North America, Asia, Europe, Middle East Buy Now
Avnet 9000 11/24/2020 United States Buy Now
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