MAX5026

PRODUCTION

500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters

Data Sheet (Rev. 2) Product Selection Table
Part Models
2
1ku List Price
Starting From $0.60
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Part Details

  • Input Voltage Range:
    • 3V to 11V (MAX5026/MAX5028)
    • 4.5V to 11V (MAX5025/MAX5027)
  • Wide Output Voltage Range: VCC to 36V
  • Output Power: 120mW (max)
  • User-Adjustable Output Voltage with MAX5025/MAX5026 Using External Feedback Resistors
  • Fixed 30V Output Voltage: MAX5027/MAX5028
  • Internal 1.3Ω (typ), 40V Switch
  • Constant PWM Frequency Provides Easy Filtering in Low-Noise Applications
  • 500kHz (typ) Switching Frequency
  • 1µA (max) Shutdown Current
  • Small, 6-Pin SOT23 Package
MAX5026
500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters
MAX5025, MAX5026, MAX5027, MAX5028: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

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Evaluation Kits

MAX5026EVKIT

Evaluation Kit for the MAX5025, MAX5026, MAX5027, MAX5028

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Features and Benefits

  • +3V to +11V Input Voltage Range (MAX5026/MAX5028)
  • +4.5V to +11V Input Voltage Range (MAX5025/MAX5027)
  • Output Voltage:
    • Adjustable Output Voltage Up to +36V (MAX5025/MAX5026)
    • +30V Fixed Output Voltage (MAX5027/MAX5028)
  • Low Switching Noise
  • 500kHz Switching Frequency
  • Less than 1mVP-P High-Frequency Output Switching Ripple at 2mA Load
  • Up to 6mA Output Current with +5V Input
  • 6-Pin SOT23 Package
  • Surface-Mount Construction
  • Fully Assembled and Tested

Product Details

The MAX5026 evaluation kit (EV kit) provides a +30V output voltage from a +3V to +11V input source. It delivers up to 6mA output current, depending on the input voltage. The MAX5026 is a constant-frequency, pulse-width-modulating (PWM), current-mode step-up voltage converter with an internal power switch that operates at 500kHz. This EV kit demonstrates the low-noise performance of the device.

The MAX5026 EV kit is a fully assembled and tested surface-mount circuit board. With modifications, this EV kit can also be used to evaluate MAX5025/MAX5027/MAX5028. The EV kit can be used to evaluate other output voltages by changing the feedback resistors.

Applications

  • Avalanche Photodiode Biasing
  • LCD Power Supply
  • Low-Noise Varactor Diode Biasing
  • PCI Cable Modem
  • Set-Top Box Tuner Power Supply
  • TV Tuner Power Supply
  • Voice-Over-Cable
MAX5026EVKIT
Evaluation Kit for the MAX5025, MAX5026, MAX5027, MAX5028

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