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Max15031 80V, 300mW Boost Converter and current Monitor

Maxim introduce 80V, 300mW Boost Converter and current Monitor for APD Bias Applications . The MAX15031 consists of a constant-frequency pulsewidth modulating (PWM) step-up DC-DC converter with an internal switch and a high-side current monitor with high-speed adjustable current limiting.
This device can generate output voltages up to 76V and provides current monitoring up to 4mA (up to 300mW) and can be used in for a wide variety of applications such as avalanche photodiode biasing, PIN biasing, or varactor biasing, and LCD displays and operates from 2.7V to 11V.
The MAX15031 includes a current monitor with more than three decades of dynamic range and monitors current ranging from 500nA to 2mA with high accuracy.
The MAX15031 is available in a thermally enhanced 4mm x 4mm, 16-pin TQFN package and operates over the -40°C to +125°C automotive temperature range.
Main features of MAX15031 are : Input Voltage Range +2.7V to +5.5V (Using Internal Charge Pump) or +5.5V to +11V , Wide Output-Voltage Range from (VIN + 1V) to 76V , Internal 1Ω (typ) 80V Switch , 300mW Boost Converter Output Power , Accurate ±10% (500nA to 1mA) and ±3.5% (1mA to 4mA) High-Side Current Monitor , Resistor-Adjustable Ultra-Fast APD Current Limit (1μs Response Time) , Open-Drain Current-Limit Indicator Flag , 400kHz Fixed Switching Frequency , Constant PWM Frequency Provides Easy Filtering in Low-Noise Applications , Internal Soft-Start , 2μA (max) Shutdown Current .
Max1503 80V 300mW Boost Converter and current Monitor

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