MAX15059

PRODUCTION

76V, 300mW Boost Converter and Current Monitor for APD Bias Applications

High-Voltage Boost Converter and Current Monitor Reduce Cost and Board Space for Avalanche Photo-Diode Applications

Data Sheet (Rev. 4) Product Selection Table
Part Models
8
1ku List Price
Starting From $2.46
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Part Details

  • Input Voltage Range: +2.8V to +5.5V
  • Wide Output-Voltage Range from (VIN + 5V) to 76V
  • Internal 1Ω (typ) 80V MOSFET
  • Boost Converter Output Power: 300mW
  • 200mW Version Available for Smaller Inductor
  • Accurate ±5% (1:1 and 5:1) 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, 3mm x 3mm, Lead-Free, 16-Pin TQFN-EP Package
MAX15059
76V, 300mW Boost Converter and Current Monitor for APD Bias Applications
MAX15059: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Fiber Photodiode Current Monitors 1
MAX4007
PRODUCTION High-Accuracy, 76V, High-Side Current Monitors in SOT23
Internal Power Switch Boost Regulators 1
MAX5026
PRODUCTION 500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters
Product 1
MAX15031
NOT RECOMMENDED FOR NEW DESIGNS 80V, 300mW Boost Converter and Current Monitor for APD Bias Applications
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Evaluation Kits

MAX15059EVKIT

Evaluation Kit for the MAX15059A and MAX15059B

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Features and Benefits

  • 2.8V to 5.5V Supply Voltage Range
  • 70V Output Voltage (Approximate)
  • 0 to 4mA Output Current
  • Demonstrates APD Fast Current Limit
  • Demonstrates Undervoltage Lockout
  • Demonstrates Thermal-Shutdown Feature
  • MOUT Output Overvoltage Protection Through Clamping Circuit
  • Fully Assembled and Tested

Product Details

The MAX15059 evaluation kit (EV kit) demonstrates the MAX15059 APD biasing pulse-width modulation (PWM) step-up DC-DC converter with an internal power switch, current monitor, and adjustable current limiting. The step-up converter switches at 400kHz. The EV kit operates from a DC supply voltage of 2.8V to 5.5V and is configured to deliver approximately 70V, and 0 to 4mA of current at the output. The output voltage can be configured from VIN + 5V to 76V by replacing a resistor or adjusting the CNTRL voltage. The EV kit demonstrates the IC's APD fast current-limit, undervoltage-lockout (UVLO), and thermal-shutdown features.

The EV kit also features an APD input load-simulator circuit for current monitoring and step-response measurements.

The EV kit comes with the MAX15059AETE+ installed, but can also be used to evaluate the MAX15059BETE+.

Warning: Voltages exceeding 42V may exist on the VOUT, APD, MOUT, and PGND PCB pads.

Applications

  • Avalanche Photodiode Biasing and Monitoring
  • FBON Modules
  • GPON Modules
  • Low-Noise Varactor Diode Bias Supply
  • PIN Diode Bias Supply
MAX15059EVKIT
Evaluation Kit for the MAX15059A and MAX15059B

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