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Back to Boost/Buck Converter

AP72200

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Description

The AP72200 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 AP72200 utilizes a four switches H-bridge configuration to support buck and boost operation. The buck-boost provides at least 2A output current.

Feature(s)

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 Switching Frequency
I2C Interface
Selectable MODE PFM/PWM
Ultrasonic Operation Programmable through I2C
Power Good Indicator with 5MΩ Internal Pull-up
Adjustable Overcurrent Limit
Full Protected for Overcurrent, Short Circuit, Reverse Current Protection, Over Temperature, and UVLO

Application(s)

Smartphones
Tablets
Portable Consumer Devices

Product Specifications

Product Parameters

MinimumInput Voltage (V)	2.3 V
MaximumInput Voltage (V)	5.5 V
Output Voltage (V)	2.6 - 5.14 V
Switch Current (A)	4.3 A
Frequency Typ (Hz)	2.5M Hz
V_REF Accuracy (%)	1 %
Type	Buck/ Boost/ Inverter