MAX845 evaluation kit) assembled tested isolated power supply that mee

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MAX845 evaluation kit) assembled tested isolated power supply that mee

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MAX845 Evaluation
MAX845 evaluation kit) assembled tested isolated power supply that meets PCMCIA height requirements. demonstration circuits provided: 100mA circuit that uses industry-standard 78L05 regulator, 40mA circuit that uses low-cost zener shunt regulator. Both circuits consist MAX845 µMAX package), low-profile transformer, half-wave rectified voltage doubler, regulator.
Isolated Power Supply Profile (for PCMCIA cards)
Evaluates: MAX845
_Ordering Information
PART MAX845EVKIT-MM TEMP. RANGE +70°C BOARD TYPE Surface Mount
_Component List
DESIGNATION C11-C14, C21-C24 D11, U11, T11, DESCRIPTION 0.1µF ceramic 1206 capacitors Motorola MBR0520L Schottky diodes Series-connected dual Schottky diodes Central Semiconductor CMPSH-3S 1206 resistor Maxim MAX845EUA 78L05 surface-mount 8-pin SOIC 1:1:1 low-profile transformer Halo TGM-010P3 5.1V, zener SOT-23 Central Semiconductor CMPZ5231B
_Quick Start
MAX845 fully assembled tested. Follow steps below verify board operation. turn power supply until connections completed. circuit half board provide 100mA. circuit lower half board provide 40mA. Connect 4.5V 5.5V supply marked power-supply ground return connects pad. Connect voltmeter load any) +5OUT pad. load ground return connects pad. Turn power verify that output ±5%. evaluate shutdown, trace connecting connect VCC.
_Component Suppliers
SUPPLIER Central Semiconductor Halo Electronics Motorola PHONE (516) 435-1110 (415) 969-7313 (602) 244-5303 (516) 435-1824 (415) 367-7158 (602) 244-4015
Maxim Integrated Products
Call toll free 1-800-998-8800 free samples literature.
MAX845 Evaluation Evaluates: MAX845
ISOLATED 100mA: HALO TGM-010P3 MBR0520L
0.1µF MAX845 N.C. 0.1µF MBR0520L 0.1µF
78L05 0.1µF
PROFILE, ISOLATED 40mA: HALO TGM-010P3
D21A 0.1µF CMPSH-3S SOT-23 D21B 0.1µF
0.1µF MAX845 N.C.
5.1V 0.1µF
NOTE: CIRCUITS SHARE SAME GROUNDS.
Figure MAX845 Schematic
MAX845 Evaluation Evaluates: MAX845
Figure MAX845 Component Placement Guide- Component Side
Figure MAX845 Board Layout-Component Side
Figure MAX845 Board Layout-Solder Side
MAX845 Evaluation Evaluates: MAX845
Maxim cannot assume responsibility circuitry other than circuitry entirely embodied Maxim product. circuit patent licenses implied. Maxim reserves right change circuitry specifications without notice time.
_Maxim Integrated Products, Gabriel Drive, Sunnyvale, 94086 (408) 737-7600 1995 Maxim Integrated Products Printed registered trademark Maxim Integrated Products.

MAX845 evaluation kit) assembled tested isolated power supply that mee

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