MAX5003EVKIT Maxim Integrated Products, MAX5003EVKIT Datasheet

MAX5003EVKIT

Manufacturer Part Number

MAX5003EVKIT

Description

EVAL KIT FOR MAX5003

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX5003CEE.pdf (16 pages)

2.MAX5003EVKIT.pdf (5 pages)

Specifications of MAX5003EVKIT

Main Purpose

DC/DC, Step Down

Outputs And Type

1, Non-Isolated

Voltage - Output

Current - Output

Voltage - Input

36 ~ 72V

Regulator Topology

Buck

Frequency - Switching

300kHz

Board Type

Fully Populated

Utilized Ic / Part

MAX5003

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Power - Output

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Current page: 1 of 5
Download datasheet (136Kb)

The MAX5003 evaluation kit (EV kit) provides a regulat-

ed 5V output voltage up to 1A while operating from a

+36V to +72V input voltage.

The MAX5003 EV kit is a fully assembled and tested

surface-mount printed circuit (PC) board. It comes with

the output voltage set to 5V. This EV kit is configured as

a flyback converter, and can easily be configured for

either isolated or nonisolated operation by selecting the

state of a mechanical switch. Additionally, for systems

in which the input and output ground references are not

at the same potential and for which isolation is not

desired, the user has the option to install a level-shifter

(not supplied) in the controller feedback loop.

WARNING: 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 compo-

nent debris at high velocity. Operate this kit with care to

avoid possible personal injury.

19-1914; Rev 1; 1/01

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

DESIGNATION

C11, C13, C17

C2, C3

C10

C12

C16

QTY

________________________________________________________________ Maxim Integrated Products

33µF, 100V electrolytic capacitor

Sanyo 100MV33CZ

22µF, 10V ceramic capacitors

Taiyo Yuden LMK432BJ226MM

2200pF ±10% ceramic capacitor

3900pF ±10% ceramic capacitor

0.01µF ceramic capacitor

10µF, 16V ceramic capacitor

Taiyo Yuden EMK325BJ106MN

100pF ±10% ceramic capacitor

0.47µF ceramic capacitor

0.1µF ceramic capacitors

390pF ±10% ceramic capacitor

4.7µF, 25V tantalum capacitor

AVX TAJB475M025

30V, 1A Schottky diode

Fairchild MBRS130L

Small-signal switching diode

Central Semiconductor CMSD4448

200V, 5.2A N-channel MOSFET

International Rectifier IRF620S

Not installed

General Description

DESCRIPTION

MAX5003 Evaluation Kit

o 5V at 1A Output

o +36V to +72V Input Voltage Range

o 300kHz Switching Frequency

o Can be Configured for -48V Input and +5V Output

o Selectable Isolated or Nonisolated Operation

o Proven PC Board Layout

o Fully Assembled and Tested Surface-Mount Board

*With air flow.

DESIGNATION

MAX5003EVKIT

R4, R22, R23

R16, R17

R8, R15

PART

R10

R11

R12

R13

R14

R18

QTY

TEMP. RANGE

2N3904-type NPN transistor

Central Semiconductor CMPT3904 or

equivalent

41.2kΩ ±1% resistor

17.4kΩ ±1% resistor

68kΩ ±5% resistor

1MΩ ±5% resistors

39kΩ ±5% resistor

51kΩ ±5% resistor

200kΩ ±5% resistor

43Ω ±5% resistors

0.11Ω ±1%, 1/4W resistor

Dale WSL-1206/0.11Ω/1%

100Ω ±5% resistor

100kΩ ±5% resistor

20kΩ ±5% resistor

1.3kΩ ±5% resistor

240kΩ ±5% resistor

24.9kΩ ±1% resistors

Not installed

Ordering Information

0°C to +70°C*

Component List

DESCRIPTION

16 QSOP

IC PACKAGE

Features

Related parts for MAX5003EVKIT

MAX5003EVKIT Summary of contents

Page 1

... Switching Frequency o Can be Configured for -48V Input and +5V Output o Selectable Isolated or Nonisolated Operation o Proven PC Board Layout o Fully Assembled and Tested Surface-Mount Board Ordering Information PART TEMP. RANGE MAX5003EVKIT 0°C to +70°C* *With air flow. Component List DESIGNATION QTY 2N3904-type NPN transistor Q2 ...

Page 2

MAX5003 Evaluation Kit Component List (continued) DESIGNATION QTY DESCRIPTION R19 0 Not installed R20 1 680Ω ±5% resistor R21 1 15Ω ±5% resistor SW1 1 DPDT switch SW2 1 SPDT switch 65µH, 8:1:2.5 transformer T1 1 Coiltronics CTX03-14502 U1 1 ...

Page 3

LVL position disconnects the R1-R2 resistor-divider from the MAX5003’s FB pin, as required for isolated operation). Turn the power supply back on and verify that the output voltage is still +5V. Note that for the iso- lated configuration, the output ...

Page 4

MAX5003 Evaluation Kit Figure 1. MAX5003 EV Kit Schematic 4 _______________________________________________________________________________________ ...

Page 5

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 5 © 2001 Maxim Integrated Products MAX5003 Evaluation Kit 1.0" ...

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