LT3905 Boost DC/DC Converter with APD Current Monitor FEATURES
65V, 350mA Internal DMOS Switch n Integrated
Schottky Diode n 2% Accurate APD Current Monitoring Over the 3µA to 3mA Range n Single Resistor Programs Maximum APD Current n Fast APD Current Limiter with Indicator n Programmable Loss-of-Signal Indicator n CTRL Pin Adjusts Output Voltage n Programmable V Undervoltage Lockout IN n High Efficiency Step-Up Converter n Selectable 1MHz/2MHz Switching Frequency n Internally Compensated n Internal Soft-Start n 2.
7V to 12V V Range IN n Low Shutdown Current: 1µA
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DESCRIPTION
The LT®3905 is a fixed frequency current-mode step-up converter designed to bias avalanche photodiodes ...