Design contains obsolete parts

MAXM17545EVKIT#: 3.3V @ 1.7A, 4.5 ~ 42V in

Summary

The MAXM17545 evaluation kit (EV kit) is a demonstration circuit of MAXM17545 high-voltage, high-efficiency, current mode scheme, synchronous step-down DC-DC switching power module. The EV kit is designed for a 3.3V output and delivers up to 1.7A load current from a wide input voltage range of 4.5V to 42V.

The EV kit switches at an optimal 400kHz switching frequency to allow the use of small component-sizes, helping to minimize solution-size while maintaining high-performance. The EV kit provides a precision-enable input, an open-drain RESET output signal, and external frequency synchronization to provide a simple and reliable startup sequence and eliminate beat frequency between regulators.

The EV kit also includes optional component footprints to program different output voltages, an adjustable input under voltage-lockout, and a soft-start time to control inrush current during startup. The MAXM17545 IC data sheet provides a complete description of the part that should be read in conjunction with this data sheet prior to modifying the demo circuit.

Features

Highly Integrated Solution with Integrated Shield Inductor
Programmable Output-Voltage Feature (0.9V to 12V)
High 91.2% Efficiency (VIN = 12V, VOUT = 3.3V at 0.73A)
Selectable PWM, PFM, or DCM Mode
Open-Drain RESET Output

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	MAXM17545EVKIT#-ND
Eval Board Supplier	Analog Devices Inc./Maxim Integrated
Eval Board	Board not Stocked
Topology	Step Down
Outputs and Type	1 Non-Isolated
Voltage Out: Factory Set	3.3 V
Current Out	1.7 A
Voltage In	4.5 ~ 42 V
Efficiency @ Conditions	>90%, 12V in, 3.3V @ 0.4 ~ 1.2 A >85%, 24V in, 3.3V @ 0.4 ~ 1.7 A >80%, 36V in, 3.3V @ 0.4 ~ 1.7 A
Voltage Out Range	0.9 ~ 12 V
Features	Current Limit (Adj. or Fixed) Light Load Mode PWM Interface Shutdown, Enable, Standby Soft Start Synchronizable Thermal Protection Under Voltage Protection, Brown-Out
Switching Frequency	100 kHz ~ 1.8 MHz
Standby Current [Typical]	10.5 µA
Quiescent Current [Typical]	9.5 mA
Component Count + Extras	7 + 10
Internal Switch	Yes
Design Author	Maxim Integrated Products
Application / Target Market	FPGA / DSP / Processors Point of Load (PoL) Power: Industrial Power RF: Home Automation
Standby Current [Maximum]	13 µA
Quiescent Current [Maximum]	- Not Given
Main I.C. Base Part	MAXM17545
Date Created By Author	2015-05
Date Added To Library	2018-11