MAX15031ATE Datasheet

80V, 300mW Boost Converter and Current Monitor for APD Bias Applications


General Description
The MAX15031 consists of a constant-frequency pulse width 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). The MAX15031 can be used for a wide variety of applications such as avalanche photodiode biasing, PIN biasing, or varactor biasing, and LCD displays. The MAX15031 operates from 2.7V to 11V.

♦ 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
♦ -40°C to +125°C Temperature Range
♦ Small Thermally Enhanced, 4mm x 4mm, 16-Pin TQFN Package



Manufacturer information


Maxim Integrated provides ease of design, and speeds time to market, through analog integration. The company's analog ICs offer extra features and functionality carefully designed to streamline circuit and simplify design. Look to Maxim for solutions for consumer electronics, personal computers and peripherals, mobile devices, wireless and fiber communications, test equipment, instrumentation, video displays, and automotive applications. Maxim’s analog and mixed-signal solutions include data converters, interface circuits, power, RF wireless circuits, clocks and oscillators, microcontrollers (MCUs), operational amplifiers (op amps), and sensors.

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