MAX15000

PRODUCTION

Current-Mode PWM Controllers with Programmable Switching Frequency

Isolated/Nonisolated Current-Mode PWM Controllers in Tiny 10-Pin µMAX Packages with Adjustable Frequency from 12.5kHz to 625kHz

Data Sheet (Rev. 0) Product Selection Table
Part Models
2
1ku List Price
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Part Details

  • Current-Mode Control
  • Programmable Switching Frequency Up to 625kHz
  • Accurate UVLO Threshold (1%)
  • Open-Drain UVLO Flag Output with Internal Delay
  • 36V to 72V Telecom Voltage Range
  • Universal Offline Input Voltage Range
    • Rectified 85VAC to 265VAC (MAX15000)
  • 9.5V to 24V Input (MAX15001)
  • Digital Soft-Start
  • Internal Bootstrap UVLO With Large Hysteresis (MAX15000)
  • Internal Error Amplifier with 1.5% Accurate Reference
  • 50µA (typ) Startup Supply Current
  • 50% Maximum Duty-Cycle Limit (MAX15000A/MAX15001A)
  • 75% Maximum Duty-Cycle Limit (MAX15000B/MAX15001B)
  • 60ns Cycle-by-Cycle Current-Limit Propagation Delay
  • Available in Tiny 10-Pin µMAX Packages
MAX15000
Current-Mode PWM Controllers with Programmable Switching Frequency
MAX15000, MAX15001: 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
Flyback, Forward, and Isolated Controller 4
MAX5021
PRODUCTION Current-Mode PWM Controllers for Isolated Power Supplies
MAX5022
PRODUCTION Current-Mode PWM Controllers for Isolated Power Supplies
MAX5070
PRODUCTION High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094
PRODUCTION High-Performance, Single-Ended, Current-Mode PWM Controllers
Product 2
MAX5015
NOT RECOMMENDED FOR NEW DESIGNS Current-Mode PWM Controllers with Integrated Startup Circuit for Isolated Power Supplies
MAX5003
NOT RECOMMENDED FOR NEW DESIGNS High-Voltage PWM Power-Supply Controller
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Tools & Simulations

SPICE Model 2

Evaluation Kits

MAX15000AEVKIT

Evaluation Kit for MAX15000A

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Features and Benefits

  • +36V to +72V or -36V to -72V DC Input Range
  • Isolated Outputs
    • VOUT1: +5V Provides Up to 1.5A
    • VOUT2: +15V Provides up to 100mA
  • ±5% (typ) Load Regulation for the +5V Output Set Point (150mA to 1.5A)
  • 81% Efficiency at 48V Input and Full Load
  • Cycle-by-Cycle Current Limit
  • 350kHz Switching Frequency
  • Digital Soft-Start
  • High-Accuracy Undervoltage Lockout (UVLO)
  • Undervoltage Lockout Open-Drain Flag Optional
  • Designed for 1500V Isolation with Primary-Side Regulation
  • Low-Cost Flyback Design
  • Fully Assembled and Tested

Product Details

The MAX15000A evaluation kit (EV kit) is a fully assembled and tested circuit board that contains a 9W flyback DC-DC converter. The circuit is configured for +5V and +15V output voltages and provides up to 1.5A and 100mA of current at each respective output. Power for the circuit can be provided from either a +36V to +72V or a -36V to -72V DC source.

High efficiency up to 81% is achieved using a flyback DC-DC converter topology. The surface-mount transformer provides up to 1500V galvanic isolation for both outputs. Low cost is achieved through the use of primary-side regulation while undervoltage lockout (UVLO) and digital soft-start provide for a robust 9W isolated power supply.

Operation at 350kHz allows the use of small magnetics and output capacitors.

Warning: The MAX15000A EV kit is designed to operate with high voltages. Dangerous voltages are present on this EV kit and on equipment connected to it. Users who power up this EV kit or power the sources connected to it must be careful to follow safety procedures appropriate to working with high-voltage electrical equipment.

Under severe fault or failure conditions, this EV kit may dissipate large amounts of power, which could result in the mechanical ejection of a component or of component debris at high velocity. Operate this kit with care to avoid possible personal injury.

Applications

  • 1/2, 1/4, and 1/8th Brick Power Modules
  • 12V Boost and SEPIC Regulators
  • High-Efficiency, Isolated Telecom Power Supplies
  • Industrial Power Conversion
  • Isolated and Nonisolated High-Brightness LED Power Supplies
  • Isolated Keep-Alive Power Supplies
  • Networking/Server
MAX15000AEVKIT
Evaluation Kit for MAX15000A

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