75V DC/DC Converter for APD Bias, SGM41283 Replace LT3571.
FEATURES

• 2.7V to 5.5V Input Voltage

• 72V/0.6Ω NFET with 1.1A Limit

• Up to 70V Output Voltage

• 50ns APD Current Monitoring Response Speed

• 850kHz Fixed Switching Frequency

• Internal Compensation and Soft-Start

• High-side APD Current Monitor 

• High-side Current Monitor Ratio:10:1 and 2:1

• Thermal-Shutdown Protection

• Programmable APD Over-Current Limit and Protection

• -40℃ to +85℃ Operating Temperature Range

• Available in Green TQFN-3×3-16L Package

PIN CONFIGUTION
优势替代
LT3571 LT3571.pdf

No.10116

FEATURES

• High APD Voltage: Up to 70V

• Integrated Schottky Diode

• 75V, 370mA 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

• CTRL Pin Allows Output Adjustment 

PIN CONFIGUTION
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