MAX5003-50WEVKIT Maxim Integrated Products, MAX5003-50WEVKIT Datasheet

MAX5003-50WEVKIT

Manufacturer Part Number

MAX5003-50WEVKIT

Description

MAX5003-50WEVKIT Evaluation Kit For The MAX5003-50W

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX5003-50WEVKIT.pdf (6 pages)

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The MAX5003 50W forward converter evaluation kit (EV

kit) provides a regulated +5V output voltage at currents

up to 10A, when operated from a +36V to +72V input

voltage range.

This EV kit is fully assembled and tested. The output

voltage is preset to +5V. A single-transistor forward-

converter topology with a reset winding is used for high

output power and high efficiency. The use of an opto-

coupler in the feedback circuit provides full 1500V pri-

mary to secondary galvanic isolation. A bottom-mount-

ed heatsink plate safely dissipates the heat generated

by the power MOSFET and the output diode. The power

supply is designed to fit into a small footprint.

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 connect-

ed 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

EV kit with care to avoid possible personal injury.

19-1914; Rev 1; 3/02

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.

C 1, C 3, C 10, C 15

DESIGNATOR

C7, C13, C14

C4, C5, C6

C8, C9

C11

C12

C16

________________________________________________________________ Maxim Integrated Products

QTY

General Description

0.1µF ceramic caps (0805)

470pF ceramic cap (0805)

0.47µF, 100V ceramic caps

(2220)

560µF, 6.3V electrolytic

capacitors

Nichicon UPW0J561MPH

47nF ceramic capacitors (0805)

22nF ceramic capacitor (0805)

1nF, 100V ceramic capacitor

(0805)

4.7nF, 1500V ceramic capacitor

200mA, 100V diode

Panasonic MA111CT

20A, 40V low forward voltage

Schottky diode

General Semi SBL2040CT

200mA, 200V, diode

Panasonic MA115CT

200V MOSFET, Rds = 0.18Ω

International Rectifier IRF640N

NPN transistor, FMMT3904

DESCRIPTION

MAX5003-50W Evaluation Kit

o +5V at 10A Output

o ±36V to ±72V Input Voltage Range

o 250kHz Switching Frequency

o Fully Isolated Design with 1500V Isolation Built

o Fully Assembled and Tested Board with Minimum

o 0.3% typical Line and Load Regulation

o 85% typical Efficiency at 25W

*With air flow.

MAX5003EVKIT50W

DESIGNATOR

into the Transformer

PC Board Footprint

R11, R12

R13

R14

R15

R16

PART

QTY

Ordering Information

TEMP RANGE

0°C to +50°C*

1MΩ ±1% resistor (0805)

39.2kΩ ±1% resistor (0805)

80.6kΩ ±1% resistor (0805)

1.24kΩ ±1% resistor (0805)

56kΩ ±1% resistor (0805)

0.02Ω resistor

Dale-Vishay WSL1206 0.02Ω

±1.0% R86

100Ω ±5% resistor (0805)

470Ω ±5% resistor (0805)

10kΩ ±1% resistors (0805)

20Ω ±5% resistor (1206)

10kΩ ±5% resistor (0805)

240kΩ ±5% resistor (0805)

1Ω ±5% resistor (0805)

4.7µH inductor

Coiltronics HC2-4R7

Transformer (12-pin gull wing)

Coiltronics CTX03-14856

Component List

DESCRIPTION

16 SO

IC PACKAGE

Features

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