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Ultra Low Quiescent Current HPCM Synchronous Buck Converters.
SGM6027 SGM6027.pdf

No.15555

FEATURES

 Input Voltage Range: 2.5V to 5.5V

 8 Selectable Output Voltage Levels

 SGM6027: 1.2V to 3.3V

 SGM6027A: 0.7V to 3.1V

 SGM6027B: 1.3V to 3.1V

 Output Current

 SGM6027: 600mA Continuous, 1310mA Peak

 SGM6027A: 600mA Continuous, 870mA Peak

 SGM6027B: 600mA Continuous, 870mA Peak

 580nA Typical Quiescent Current

 PFM Operation

 Up to 92% Efficiency

 Internal Compensation

 Enable Input

 Output Voltage Discharge

 Over-Current Protection (OCP)

 Under-Voltage Lockout (UVLO) Protection

 Over-Temperature Protection (OTP)

 Available in a Green WLCSP-0.8×1.6-8B Package

DESCRIPTION

The SGM6027, SGM6027A and SGM6027B are small and efficient 2.5V to 5.5V synchronous Buck converters with ultra-low quiescent current (580nA TYP). The SGM6027 output can be programmed to 8 selectable output voltages from 1.2V to 3.3V by 3 logic selected pins. It can deliver up to 600mA output current continuously or 1310mA peak for a short time. For the SGM6027A, the 8 programmable voltages are in the range of 0.7V to 3.1V and the output can deliver 600mA continuous output current or 870mA peak. For the SGM6027B, the 8 programmable voltages are in the range of 1.3V to 3.1V and the output can deliver 600mA continuous output current or 870mA peak. All the devices offer high efficiency at light loads by entering into the PFM mode.

Optimal transient response is achieved by internally compensated hysteretic peak current mode (HPCM) control that is stable over a wide range of output capacitances and loads.

The SGM6027, SGM6027A and SGM6027B are available in a Green WLCSP-0.8×1.6-8B package.

APPLICATION CIRCUIT
PIN CONFIGUTION
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