MAXREFDES113A#: 12V @ 1.6A, 17 ~ 36V in

Summary

* MAXREFDES113A# = Wurth Transformer

MAXREFDES113# is an efficient flyback topology with 24V input, and a 12V output at 20W of power (1.6A). The design features the MAX17596, a peak-current-mode converter with a flexible switching frequency. This entire circuit fits on a 20mm x 35mm PCB.

Maxim’s power supply experts have designed and built a series of isolated, industrial power-supply reference designs. Each of these power supplies efficiently converts 24V into useful voltage rails at a variety of power levels. Every power rail is isolated with a readily available transformer from multiple, global vendors, providing for quick, convenient transformer selection.

Each design has been tested for load and line regulation, as well as efficiency and transient performance. As with all Maxim reference designs, the BOM, schematics, layout files, and Gerber files are all available in the Design Resources tab. In addition, boards are available for purchase; most boards feature through-hole pins for immediate board placement and accelerated prototyping.

MAXREFDES113A# = Wurth Transformer

A=Wurth

B=Sumida

C=Hanrun

D=Halo MAXREFDES113# is an efficient flyback topology with 24V input, and a 12V output at 20W of power (1.6A)MAXREFDES113# is an efficient flyback topology with 24V input, and a 12V output at 20W of power (1.6A)

Specifications

Manufacturer Analog Devices Inc./Maxim Integrated
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number MAXREFDES113A#-ND
Eval Board Supplier Analog Devices Inc./Maxim Integrated
Eval Board Normally In Stock
Topology Step Down
Outputs and Type 1 Isolated
Voltage Out: Factory Set 12 V
Current Out 1.6 A
Voltage In 17 ~ 36 V
Efficiency @ Conditions >86%, 21V in, 12.0V @ 0.60 ~ 1.6 A
>86%, 17V in, 12.0V @ 0.48 ~ 1.6 A
>85%, 28V in, 12.0V @ 0.64 ~ 1.6 A
>85%, 24V in, 12.0V @ 0.64 ~ 1.6 A
>84%, 32V in, 12.0V @ 0.64 ~ 1.6 A
>83%, 36V in, 12.0V @ 0.64 ~ 1.6 A
Voltage Out Range - Fixed
Features Current Limit (Adj. or Fixed)
Frequency Jitter for EMI
Over Voltage Protection
Short Circuit Protection
Shutdown, Enable, Standby
Soft Start
Thermal Protection
Switching Frequency 100 kHz ~ 1 MHz
Standby Current [Typical] 20 µA
Quiescent Current [Typical] 2 mA
Component Count + Extras 47 + 4
Internal Switch Yes
Design Author Maxim Integrated Products
Application / Target Market Battery Chargers
Portable Devices
Power: Auxiliary Power Supply
Power: Industrial Power
Telecom
Standby Current [Maximum] 32 µA
Quiescent Current [Maximum] - Not Given
Main I.C. Base Part MAX17596
Date Created By Author 2016-04
Date Added To Library 2017-05

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