GENERAL DESCRIPTION

The ADPL76030 is a synchronous 4-switch buck-boost

DC/DC controller that regulates output voltage, and

input or output current from an input voltage above,

below, or equal to the output voltage. The proprietary

peak-buck, peak-boost current-mode control scheme

allows adjustable and synchronizable 600 kHz to 1.4

MHz fixed frequency operation, or internal 25 triangle

spread spectrum frequency modulation for low EMI.

With a 4 V to 55 V input voltage range, 0 V to 55 V output

voltage capability, and seamless low noise transitions

between operation regions, the ADPL76030 is ideal for

voltage regulators, and battery and supercapacitor

charger applications in automotive, industrial, telecom,

and even battery-powered systems.

The ADPL76030 provides input or output current

monitor and power good flag. Fault protection is also

provided to detect output short-circuit condition,

during which the ADPL76030 retries, latches off, or

keeps running.

All registered trademarks and trademarks are the

property of their respective owners.

FEATURES

? 4-Switch Single Inductor Architecture Allows VIN

Above, Below, or Equal to VOUT

? Up to 95 Efficiency at 1.4 MHz

? Proprietary Peak-Buck, Peak-Boost Current-

Mode

? Wide VIN Range: 4 V to 55 V

? ±2 Output Voltage Accuracy: 1 V ≤ VOUT ≤ 55 V

? ±3 Input or Output Current Accuracy with

Monitor

? Spread Spectrum Frequency Modulation for Low

EMI

? No Top MOSFET Refresh Noise in Buck or Boost

? Adjustable and Synchronizable: 600 kHz to 1.4 MHz

? VOUT Disconnected from VIN During Shutdown

APPLICATIONS

? Automotive, Industrial, Telecom Systems

? High Frequency, Battery-Powered System