75V DC/DC Converter for APD Bias Features: High Output Voltage: Up to 75V Integrated Schottky Diode 75V, 350mA Internal Switch High Side Fixed Voltage Drop APD Current Monitor Adjustable Frequency: 250kHz to 2MHz Frequency Synchronization Wide VIN Range: 2.7V to 20V Constant-Voltage and Constant-Current Regulation Programmable Current Limit Protection Surface Mount Components Low Shutdown Current <1μA Internal Soft-Start Internal Compensation CTRL Pin Allows Output Adjustment with No Polarity Inversion 3mm × 3mm 16-Lead QFN Package