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DEMO MANUAL DC239

NO-DESIGN SWITCHER

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LINEAR TECHNOLOGY CORPORATION 1999

dc239f LT/TP 0799 500 • PRINTED IN USA

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900

●

FAX: (408) 434-0507

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www.linear-tech.com

PCB LAYOUT A

D FIL

PC FAB DRAWI

Component Side Silkscreen

Component Side Solder Mask

Component Side Paste Mask

Solder Side Solder Mask

Copper Layer 1 (Top)

Copper Layer 2

NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL DIMENSIONS ARE IN INCHES
2. FINISHED MATERIAL IS FR4, 0.062 THICK

2 OZ COPPER, 2 LAYERS. PLATED HOLE
WALL THICKNESS 0.001 MIN

3. PROCESS: SMOBC

SYMBOL

DIAMETER

0.030

0.094

TOTAL HOLES

NUMBER

OF HOLES

PLTD

PLTD

2.00

DC239 FAB DWG

Содержание DC239

Страница 1: ...to 5 A typ and disconnects VOUT from VIN Gerber files for this circuit are available Call the LTC factory PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Operating Voltage 0 9 1 8 V Minimum VIN Start Up Vo...

Страница 2: ...ck that is generated inthetiming controlcircuit Onphaseoneoftheclock the flyingcapacitorsC1andC3arechargedtotheirrespective input voltages On phase two each charged flying capaci tor is stacked on top...

Страница 3: ...own VOUT is disconnected from VIN Short Circuit Protection When the output pin is shorted to ground the LTC1502 3 3 will continuously charge the C2 capacitor to approxi mately 1 4 times VIN and then d...

Страница 4: ...D FIL PC FAB DRAWI U G Component Side Silkscreen Component Side Solder Mask Component Side Paste Mask Solder Side Solder Mask Copper Layer 1 Top Copper Layer 2 NOTES UNLESS OTHERWISE SPECIFIED 1 ALL...