MAX5052AEVKIT Maxim Integrated Products, MAX5052AEVKIT Datasheet

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MAX5052AEVKIT

Manufacturer Part Number
MAX5052AEVKIT
Description
EVAL KIT FOR MAX5052
Manufacturer
Maxim Integrated Products
Datasheets
1.MAX5053BEUA.pdf (13 pages)
2.MAX5052AEVKIT.pdf (8 pages)

Specifications of MAX5052AEVKIT

Main Purpose
DC/DC, Step Down
Outputs And Type
2, Isolated
Voltage - Output
5V, 15V
Current - Output
1.5A, 100mA
Voltage - Input
36 ~ 72V
Regulator Topology
Buck
Frequency - Switching
262kHz
Board Type
Fully Populated
Utilized Ic / Part
MAX5052A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
19-2716; Rev 1; 8/05
The MAX5052A evaluation kit (EV kit) is a fully assem-
bled and tested circuit board that contains a 9W fly-
back DC-to-DC converter. The circuit is configured for
output voltages of +5V and +15V and provides up to
1.5A and 100mA of current at each respective output.
Power for the circuit can be provided from either a
+36VDC to +72VDC or -36VDC to -72VDC source.
High efficiency up to 83% is achieved using a single-
transistor, flyback DC-to-DC converter topology. The sur-
face-mount transformer provides up to 1500V galvanic
isolation of both outputs. Low cost is achieved through
the use of primary-side regulation while undervoltage
lockout (UVLO), digital soft-start, and thermal shutdown
provide for a robust 9W isolated power supply.
Operation at 262kHz allows the use of small magnetics
and output capacitors.
Warning: The MAX5052A EV kit is designed to operate
with high voltages. Dangerous voltages are present on
the MAX5052A EV kit and on equipment connected to
it. Users who power up the MAX5052A 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, the MAX5052A
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
MAX5052A EV kit with care to avoid possible personal
injury.
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.
Note: Indicate that you are using the MAX5052A when contacting these component suppliers.
Central Semiconductor
Cooper-Coiltronics
Dale-Vishay
Diodes Inc.
Fair-Rite Products
International Rectifier
Kemet
Murata
Panasonic
TDK
Telefunken-Vishay
Zetex USA
SUPPLIER
________________________________________________________________ Maxim Integrated Products
General Description
631-435-1110
561-752-5000
402-564-3131
805-446-4800
845-895-2055
310-322-3331
864-963-6300
770-436-1300
714-373-7366
847-803-6100
402-563-6325
631-543-7100
PHONE
MAX5052A Evaluation Kit
µMAX is a registered trademark of Maxim Integrated Products, Inc.
♦ +36VDC to +72VDC or -36VDC to -72VDC Input
♦ Isolated Outputs
♦ ±5% (typ) Load Regulation for the +5V Output
♦ 83% Efficiency at 48V Input and Full Load
♦ Cycle-by-Cycle Current Limit
♦ 262kHz Switching Frequency
♦ Digital Soft-Start
♦ Undervoltage Lockout (UVLO)
♦ Designed for 1500V Isolation with Primary-Side
♦ Low-Cost Flyback Design
♦ Fully Assembled and Tested
MAX5052AEVKIT
631-435-1824
561-742-1178
402-563-6296
805-446-4850
845-895-2629
310-726-8721
864-963-6322
770-436-3030
714-737-7323
847-390-4405
631-864-7630
Voltage Range
(150mA to 1.5A)
Regulation
VOUT1: +5V Provides Up to 1.5A
VOUT2: +15V Provides Up to 100mA
FAX
—
PART
www.centralsemi.com
www.cooperet.com
www.vishay.com
www.diodes.com
www.fair-rite.com
www.irf.com
www.kemet.com
www.murata.com
www.panasonic.com
www.component.tdk.com
www.vishay.com
www.zetex.com
Component Suppliers
TEMP RANGE
0°C to +70°C
Ordering Information
WEBSITE
IC PACKAGE
8 µMAX
Features
®
1

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MAX5052AEVKIT Summary of contents

Page 1

... Switching Frequency ♦ Digital Soft-Start ♦ Undervoltage Lockout (UVLO) ♦ Designed for 1500V Isolation with Primary-Side Regulation ♦ Low-Cost Flyback Design ♦ Fully Assembled and Tested PART MAX5052AEVKIT µMAX is a registered trademark of Maxim Integrated Products, Inc. PHONE FAX 631-435-1110 631-435-1824 561-752-5000 561-742-1178 ...

Page 2

MAX5052A Evaluation Kit DESIGNATION QTY DESCRIPTION 1µF ±10%, 100V X7R ceramic C1 capacitors (1812) TDK C4532X7R2A105K 68µF, 6.3V electrolytic capacitor case) Kemet A700V686M006ATE028 22µF ±20%, 6.3V X5R ceramic capacitor (1206 TDK C3216X5R0J226M 47µF, ...

Page 3

Component List (continued) DESIGNATION QTY DESCRIPTION 35µH, 10W transformer T1 1 (10-pin Gull Wing) Cooper-Coiltronics CTX03-16034 U1 1 MAX5052AEUA (8-pin µMAX) — 1 Shunt (JU1) — 1 MAX5052A PC board The MAX5052A EV kit is fully assembled and tested. Follow ...

Page 4

MAX5052A Evaluation Kit Table 1. Jumper JU1 Shutdown Mode SHUNT MAX5052A LOCATION UVLO/EN Pin UVLO resistors R3 and R4 determine startup None voltage Installed Pulled low to -VIN Shutdown Mode and Remote-Control The MAX5052A EV kit features two methods to ...

Page 5

EFFICIENCY vs. OUTPUT CURRENT 100 90 VOUT2 = +15V, 100mA VOUT2 = +15V, 25mA 0.15 0.30 0.45 0.60 0.75 0.90 1.05 IOUT1 (A) Figure 1. Efficiency vs. Output Current IOUT1, ...

Page 6

MAX5052A Evaluation Kit IN FB_P D8 C16 R7 C12 R6 15µF 1.2kΩ 0.22µF 33kΩ 35V +VIN +VIN C1 C2 1µF 1µF 100V 100V FB_P R1 22.6kΩ 2.49kΩ 14.3kΩ 2200pF +VIN COMP ...

Page 7

Figure 6. MAX5052A EV Kit Component Placement Guide—Component Side Figure 7. MAX5052A EV Kit PC Board Layout—Component Side _______________________________________________________________________________________ MAX5052A Evaluation Kit 7 ...

Page 8

... 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. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products Printed USA ...

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