Low Quiescent 1A Buck Converter in SOT563.
ACP2827B ACP2827B.pdf

No.13176

FEATURES

• 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

• 2.2MHz Switching Frequency (VIN = 5V, VOUT= 1.8V)

• Up to 89% Efficiency at 5mA Light Load

• Programmable PFM/PWM Mode Through EN Pin

• Power Good Indicator(ACP2827B)

• Under Voltage Lockout (UVLO)

• VIN Over Voltage Protection (OVP)

• Peak Current Limit

• Valley Current Limit

• Thermal Shutdown

DESCRIPTION

The ACP2827 and ACP2827B is a 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 ACP2827 and ACP2827B 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.

APPLICATION CIRCUIT
PIN CONFIGUTION
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