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AP72202 - HIGH-EFFICIENCY SYNCHRONOUS DC-DC BUCK-BOOST CONVERTER

General Description

The AP72202 is a high-current synchronous buck-boost converter providing high efficiency, excellent transient response and high DC output accuracy.

The targeted applications are smartphones, tablets, and other handheld devices.

Key Features

  • I2C compatible, two-wire serial interface consisting of a bidirectional serial-data line, SDA, and a serial-clock line, SCL. It supports SCL clock rates up to 3.4MHz. The AP72202 also features UVLO, OTP, and OCP to protect the circuit. This IC is available in a small 2.125 × 1.750mm, 20 balls WLCSP package. Features.
  • VIN 2.3V to 5.5V.
  • Output Voltage Range: 2.6V to 5.14V.
  • 2A Continuous Output Current for VOUT = 3.4V and VIN > 2.9V Efficiency Up to 97%.
  • 2.5MHz.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AP72202 HIGH-EFFICIENCY SYNCHRONOUS DC-DC BUCK-BOOST CONVERTER WITH 4.4A SWITCHES Description The AP72202 is a high-current synchronous buck-boost converter providing high efficiency, excellent transient response and high DC output accuracy. The targeted applications are smartphones, tablets, and other handheld devices. The AP72202 utilizes a four-switch Hbridge configuration to support buck and boost operation. The buckboost provides at least 2A output current. Pin Assignments The current control scheme handles wide input/output voltage ratios and provides low external component count with outstanding performance in line/load transient response and seamless transition between buck and boost modes.