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特性
- 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
产品详情和应用
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 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.
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Applications
- Industrial, Telecom Systems
- High Frequency, Battery-Powered System
