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MAXIM INTEGRATED / ANALOG DEVICES MAX1856EUB PWM Power Supply Controller

The MAX1856 is a versatile PWM SLIC power supply controller designed for generating high-voltage negative supplies used in telecommunication and broadband equipment. It features wide input voltage range from 3V to 28V, synchronization capability, and operates efficiently through its current-mode control and Idle Mode for light loads. Integrated soft-start, adjustable frequency between 100kHz and 500kHz, and a low-noise linear regulator enhance performance. Suitable for VoIP, cable modems, routers, and industrial power supplies, it simplifies high-voltage supply design with off-the-shelf transformers and minimal external components.

Authorized Distributors
Source:Newark
Part No:MAX1856EUB+
Stock:20
Inv Date:06-05-2026
Price: Unit price: $7.24
Buy/RFQ:
Source:DigiKey
Part No:MAX1856EUB+
Stock:50
Inv Date:06-05-2026
Price: Unit price: $7.25
Buy/RFQ:
Part No:MAX1856EUB+
Stock:77
Inv Date:06-06-2026
Price: Unit price: $7.39
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX1856EUB PWM Power Supply Controller Specifications:

  • Input Voltage Range: 3V to 28V
  • Output Voltage: Adjustable, high-voltage negative supplies
  • Switching Frequency: 100kHz to 500kHz, set by resistor Rosc
  • Synchronization: External clock synchronization available
  • Soft-start: Internal soft-start circuit
  • Control Scheme: Current-mode PWM with Idle Mode
  • Operation Temperature Range: -40°C to +85°C
  • Package Type: 10-pin uMAX
  • Maximum Power Dissipation: 444mW at 70°C junction temperature
  • Maximum Junction Temperature: +150°C
  • Storage Temperature Range: -65°C to +150°C
  • Lead Soldering Temperature: 300°C for 10 seconds
  • Efficiency: Typically 80% depending on component selection
  • External components: Transformer, Schottky diode, inductors, resistors, capacitors

Buy the Maxim Series PWM SLIC Power Supply: MAX1856EUB

Order the Maxim Series MAX1856EUB online today for a highly efficient, versatile PWM control solution designed for generating negative high-voltage supplies in telecommunication, broadband, and industrial systems. This advanced controller features wide input voltage range from 3V to 28V, synchronization with external clocks, internal soft-start, and Idle Mode for optimal efficiency at light loads. Its compact 10-pin package, robust design, and minimal external components make it ideal for power supplies, VoIP, cable modems, and industrial equipment, ensuring reliability and ease of integration.

Buy Maxim Series MAX1856EUB now and experience unmatched efficiency and flexible power supply generation for high-voltage telecom and industrial applications.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX1856EUB?

You can click on the BUY or RFQ button to purchase MAX1856EUB from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX1856EUB?

You can download the MAX1856EUB datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX1856EUB?

MAXIM INTEGRATED / ANALOG DEVICES

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